DOKUMEN123.COM

An extragalactic planet, also known as an extragalactic exoplanet or an extroplanet, is a star-bound planet or rogue planet located outside of the Milky...

Extragalactic astronomy is the branch of astronomy concerned with objects outside the Milky Way galaxy. In other words, it is the study of all astronomical...

corresponding to a redshift of 14.32. Part of the JWST Advanced Deep Extragalactic Survey (JADES), this discovery highlights a galaxy significantly more...

A nebula (Latin for 'cloud, fog'; pl. nebulae or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral...

The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances...

Extragalactic cosmic rays are very-high-energy particles that flow into the Solar System from beyond the Milky Way galaxy. While at low energies, the...

The Cliff (RUBIES-UDS-154183) is a compact extragalactic object observed as a little red dot with an exceptional (and cliff-like) Balmer jump. It was...

The diffuse extragalactic background light (EBL) is all the accumulated radiation in the universe due to star formation processes, plus a contribution...

regular way: FRB 180916 seems to pulse every 16.35 days. Most FRBs are extragalactic, but the first Milky Way FRB was detected by the CHIME radio telescope...

The NASA/IPAC Extragalactic Database (NED) is an online astronomical database for astronomers that collates and cross-correlates astronomical information...

Near-UV image of the relativistic jet in 3C 66B Galaxy NGC 3862, an extragalactic jet of material moving at nearly the speed of light can be seen at the...

The diffuse extragalactic background radiation (DEBRA) refers to the photon field of extragalactic origin that fills our Universe. It contains photons...

Christopher J. Conselice is an astrophysicist who is Professor of Extragalactic Astronomy at the University of Manchester. Conselice grew up in Neptune...

This is a list of star-forming regions in the Milky Way Galaxy and the Local Group. Star formation occurs in molecular clouds, which become unstable to...

ISBN 0-87279-667-1. "NASA/IPAC Extragalactic Database". Results for NGC 6365. Retrieved 2006-07-12. "NASA/IPAC Extragalactic Database". Results for IC 167...

Milky Way (the galactic plane) obstruct the view of around 20% of the extragalactic sky at visible wavelengths. As a result, optical galaxy catalogues are...

The Lyon-Meudon Extragalactic Database (LEDA) was a database of galaxies, created in 1983 at the Lyon Observatory. Each galaxy had a number assigned to...

Several extragalactic recurrent novae have been observed in the Andromeda Galaxy (M31) and the Large Magellanic Cloud. One of these extragalactic novae...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

background (CMB) polarization experiment at the South Pole. QUEST (Q and U Extragalactic Sub-mm Telescope) was the original name attributed to the bolometer...

intended to "show no global rotation with respect to a set of distant extragalactic objects". The coordinates are basically the declination and right ascension...

Binney is known principally for his work in theoretical galactic and extragalactic astrophysics, though he has made a number of contributions to areas...

of the Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including...

astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology. Hubble proved that many objects...

1089 is the integer after 1088 and before 1090. It is a square number (33 squared), a nonagonal number, a 32-gonal number, a 364-gonal number, and a centered...

BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are a series of cosmic microwave background (CMB) experiments, deployed...

The Hubble Space Telescope and the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey. This is a list of galaxies that are well known by something...

was known for a wide range of contributions to solar, galactic and extragalactic astrophysics, including the solar neutrino problem, the development...

arXiv:astro-ph/0605321. Dai, Xinyu; Guerras, Eduardo (2018). "Probing Planets in Extragalactic Galaxies Using Quasar Microlensing". The Astrophysical Journal. 853...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data in these tables are from the SIMBAD Astronomical...

members of the Small Magellanic Cloud are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

Scott Dunlop is a Scottish astronomer and academic. He is Professor of Extragalactic Astronomy at the Institute for Astronomy, an institute within the School...

The BOOMERanG experiment (balloon observations of millimetric extragalactic radiation and geophysics) was an experiment that flew a telescope on a (high-altitude)...

cross-identifications for 73,197 galaxies. It is based on the Lyon-Meudon Extragalactic Database (LEDA), which was originally started in 1983. 40,932 coordinates...

GRB 250702BDE was a series of three distinct ultra-long extragalactic gamma-ray bursts (GRB) discovered by the Fermi Gamma-ray Space Telescope on July...

"NASA/IPAC Extragalactic Database (NED)". ned.ipac.caltech.edu. NASA. 2020. Retrieved 23 May 2023. NED-D: A Master List of Redshift-Independent Extragalactic Distances...

briefly believed to be home to the first discovered planet purportedly of extragalactic origin, orbiting the star HIP 13044. However, further analysis of radial...

maser in the Milky Way, and extragalactic maser encompasses all masers found outside the Milky Way. Most known extragalactic masers are megamasers, and...

2025-12-14 "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-12-14. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

399..353H. doi:10.1086/171932. "NED results for Mrk 552". NASA/IPAC Extragalactic Database. Retrieved 2026-05-16. Johnson, K. E. (2007). "The Infrared...

New General Catalog and Index Catalog. In some cases, the NASA/IPAC Extragalactic Database was used to confirm cross-identifications of galaxies. The...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

Fundamental Catalog (FK5) is used to standardize the positions of 23 extragalactic radio sources used to define the International Celestial Reference System...

The UKIRT Infrared Deep Sky Survey or UKIDSS is an astronomical survey conducted using the WFCAM wide field camera on the United Kingdom Infrared Telescope...

using NIRCam as part of the James Webb Space Telescope Advanced Deep Extragalactic Survey (JADES) program. It has a redshift of about 14.18, making it...

members of the Large Magellanic Cloud are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from Wolfgang Steinicke's...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

Recessional velocity is the rate at which an extragalactic astronomical object recedes (becomes more distant) from an observer as a result of the expansion...

Galaxies". NASA. Retrieved 8 January 2014. "NASA/IPAC Extragalactic Database". NASA/IPAC Extragalactic Database (NED). Retrieved March 15, 2012. "The VizieR...

formulae are based. Sandage, A. R. (1958). "Current Problems in the Extragalactic Distance Scale". The Astrophysical Journal. 127 (3): 513–526. Bibcode:1958ApJ...

closest such galaxy to Earth. "Results for object NGC 3034". NASA/IPAC Extragalactic Database. Retrieved 27 October 2006. Karachentsev, I. D.; Kashibadze...

University of California Santa Barbara. She is known for her work in extragalactic astrophysics; she works on the formation and evolution of massive galaxies...

designated as Arp 316. "NASA/IPAC Extragalactic Database". Results for HCG 44. Retrieved 2018-03-16. "NASA/IPAC Extragalactic Database". Results for various...

originally[when?] developed to be used in SIMBAD and the NASA/IPAC Extragalactic Database (NED), but it became a de facto standard and is now used more...

allows for near-instantaneous teleportation across both interstellar and extragalactic distances. Some early "portal" appearances in science fiction include...

doi:10.1017/S1743921310009798. "By Name | NASA/IPAC Extragalactic Database". NASA/IPAC Extragalactic Database. Retrieved 2018-12-15. "VSX : Detail for alf...

the Institute for Computational Cosmology (ICC) and the Centre for Extragalactic Astronomy (CEA) which together along with the CfAI form the Durham Astronomy...

NGC 2562 NGC 2563 NGC 2569 List of NGC objects (2001-3000) "NASA/IPAC Extragalactic Database (NED) results for object NGC 2563". NASA/IPAC. Retrieved 2024-05-22...

outermost measurement. In parallel, the use of interferometric arrays for extragalactic HI spectroscopy was being developed. Rogstad & Shostak (1972) published...

published. The publication today specializes in articles on solar physics, extragalactic astronomy, cosmology, geophysics, and instrumentation for these fields...

the Pinwheel Galaxy "NED results for object MESSIER 101". NASA/IPAC Extragalactic Database. Retrieved 2025-04-27. "Messier 101". SEDS Messier Catalog...

highest photon energy measured in electromagnetic radiation emitted by an extragalactic object, the blazar Markarian 501.[needs update] Since the first observation...

Horizon Telescope, showing the photon ring surrounding its shadow. Extragalactic astronomy interacting spiral galaxies UGC 9618 (also known as VV 340...

recognized. Carollo's contribution to astronomy is in the fields of extragalactic astronomy and specifically galaxy formation and evolution.[citation...

imaged by the James Webb Space Telescope Magellanic Stream "NASA/IPAC Extragalactic Database". Results for Large Magellanic Cloud. Retrieved 29 July 2022...

baryonic matter in the universe. See also cosmic neutrino background and extragalactic background light. The Sunyaev–Zel'dovich effect shows the phenomena...

to be about 1.5×1053 kg. In November 2018, astronomers reported that extragalactic background light (EBL) amounted to 4×1084 photons. As the universe's...

Telescope image of NGC 4414, showing SN 2021J and SN 2023hlf. "NASA/IPAC Extragalactic Database". Results for NGC 4414. Retrieved 22 June 2025. Rand, Richard...

Bruce Slee and Gordon Stanley localized NGC 5128 as one of the first extragalactic radio sources. Five years later, Walter Baade and Rudolph Minkowski...

closest star to the Sun. At the other extreme, there is evidence for extragalactic planets – exoplanets located in other galaxies. The discovery of exoplanets...

5681". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 June 2025. "Distance Results for NGC 5681". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

constellation Boötes. 3C 303 is also a radio galaxy It also contains an extragalactic radio source. A clear defined jet is also seen, showing a polarization...

west of a G-type star BD+07 1. PGC 620 was a galaxy in the Lyon-Meudon Extragalactic Database which designated PGC 620 as NGC 4 because the catalogers didn't...

R136a1 (short for RMC 136a1) is the most massive and luminous star known, at around 291 solar masses (M☉) and around 7.2 million times the Sun's luminosity...

5907". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2010-07-11. "Distance Results for NGC 5907". NASA/IPAC Extragalactic Database. Retrieved...

the Milky Way, but there have also been a few possible detections of extragalactic planets. The study of planetary habitability also considers a wide range...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Santa Cruz. SAGES (Study of the Astrophysics of Globular Clusters in Extragalactic Systems) is an international network of researchers investigating the...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. Other data are from the SIMBAD Astronomical Database unless...

collision between the Milky Way and Andromeda galaxies, the future state of extragalactic astronomy, astrophysical implications of black hole recoil in galaxy...

September 2017, data from 12 years of observations from PAO supported an extragalactic source (outside of Earth's galaxy) for the origin of extremely high...

Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

survey on 19 May 2014. List of Messier objects Canes II Group "NASA/IPAC Extragalactic Database". Results for Messier 106. Retrieved 7 December 2006. Tonry...

"Results for NGC 6050". NASA/IPAC Extragalactic Database. Retrieved March 13, 2026. "Results for IC 1179". NASA/IPAC Extragalactic Database. Retrieved March 13...

sources were identified that supported the likelihood of a genuine extragalactic pulsing population. These pulses are known as fast radio bursts (FRBs)...

Clusters in Extragalactic Systems (SAGES) collaboration, using Hubble images and spectroscopy from the W. M. Keck Observatory to study extragalactic globular...

Mitchell C.; Blandford, Roger D.; Rees, Martin J. (1984), "Theory of extragalactic radio sources", Rev. Mod. Phys., 56 (2): 255–351, Bibcode:1984RvMP....

international science collaboration focused on improving the calibration of the extragalactic distance scale based on observations of major distance indicators in...

and studies have elaborated on the issue and described the diffuse extragalactic background radiation in more detail. Some Vanderbilt astronomers report...

"Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-11-15. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

completing a PhD in astronomy with her dissertation "Investigations of extragalactic hydroxyl". After completing her PhD, Schmelz worked at NASA's Goddard...

WHL0137-LS, also known as Earendel, is a star cluster or a star located in the constellation of Cetus. Discovered in 2022 with the Hubble Space Telescope...

system containing a potential extragalactic planet. M33 X-7, another extragalactic high-mass X-ray binary. Extragalactic planet Circumbinary planet Whirlpool...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 17 December 2025. "Distance Results for ARP 004". NASA/IPAC Extragalactic Database. NASA...

with the extragalactic radio frame to within ±0.6 milliarc-sec at the epoch J1991.25, and non-rotating with respect to distant extragalactic objects to...

have been suggested, such as frequently both VY Canis Majoris and the extragalactic WOH G64 A, which resides within the Large Magellanic Cloud. Direct measurements...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 22 December 2024. "Distance Results for NGC 4129". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Strasbourg. Retrieved 2009-11-28. "Results for NGC 598". NASA/IPAC Extragalactic Database. NASA/IPAC/JPL. Retrieved 2006-12-01. "Your NED Search Results"...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

and SDSS surveys (and from various observations compiled by the NASA Extragalactic Database), or photo-metrically deduced from the K band (2.2 μm). Blue...

Optical Phenomena apparent during observations of Extragalactic Spacetime phenomena...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 November 2024. "Distance Results for NGC 1482". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

distinguishing extragalactic from galactic nebulae, the former being independent star systems. M87 was classified as a type of elliptical extragalactic nebula...

S2CID 246823634. "Results for WISEA J081421.70+522410.0". NASA/IPAC Extragalactic Database. Oei, Martijn S. S. L.; van Weeren, Reinout J.; Gast, Aivin...

4475". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 27 August 2025. "Distance Results for NGC 4475". NASA/IPAC Extragalactic Database. NASA...

Press. ISBN 978-0-933346-51-2. "Results for Messier 081". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 6 November 2022. "M 81". SIMBAD...

million light-years from Earth. In 2018, observations of highly-ionized extragalactic oxygen atoms appeared to confirm simulations of the WHIM mass distribution...

globular cluster formerly thought to be part of our galaxy reassigned to extragalactic status, even if not recognized as such for more than two centuries....

measures used in cosmology. "NED results for object TON 618". NASA/IPAC EXTRAGALACTIC DATABASE. Archived from the original on 2021-08-15. Retrieved 2021-08-15...

the extragalactic origin of cosmic rays at the highest energies. This implies that there must be a transition energy from galactic to extragalactic sources...

relative positions of high/low surface brightness regions in the lobes of extragalactic radio sources are correlated with their radio luminosity. Their conclusion...

SGR 0526−66 (also known as PSR B0565−66) is a soft gamma repeater (SGR), located in the supernova remnant LMC N49, in the Large Magellanic Cloud. It was...

SN H0pe Inset (NIRCam)". Webb Telescope. 1 October 2024. NASA/IPAC Extragalactic Database (NED): PLCK G165.7+67.0 SIMBAD: (CNL2018) PLCK G165.7+67.0...

ISSN 2397-3366. S2CID 118647384. Bulik, Tomasz (2007). "Black holes go extragalactic". Nature. 449 (7164): 799–801. doi:10.1038/449799a. PMID 17943114. S2CID 4389109...

S2CID 32638647. Rudnick, Lawrence; Brown, Shea; Williams, Liliya R. (2007). "Extragalactic Radio Sources and the WMAP Cold Spot". The Astrophysical Journal. 671...

NASA/IPAC NGC 7716 at SIMBAD NGC 7716 at LEDA "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-10. "New General...

Adolf Hitler: The Ultimate Avatar. Serrano claimed that the Aryans were extragalactic beings who founded Hyperborea and lived the heroic life of Bodhisattvas...

"NASA/IPAC Extragalactic Database". Results for object NGC 7317. Retrieved 2007-04-21. "Distance Results for NGC 7317". NASA/IPAC EXTRAGALACTIC DATABASE...

near-equatorial orbit. This spacecraft contained four instruments: the Extragalactic Experiment, the Galactic Monitor Experiment, the Scorpio Monitor Experiment...

Mount Hopkins. Research activities include imaging and spectroscopy of extragalactic, stellar, solar system and extra-solar bodies, as well as gamma-ray...

objects or phenomena existing within the Solar System, but not on Earth Extragalactic astronomy, the study of objects outside the Milky Way Galaxy Interstellar...

they have been detected more indirectly. Rogue star Rogue planet Rogue extragalactic planets Rogue comet Tidally detached exomoon Stellar black hole Primordial...

Dwarf Spheroidal Galaxy Monoceros Ring Virgo Stellar Stream "NASA/IPAC Extragalactic Database". Results for Canis Major Dwarf. Retrieved 16 March 2007. "Astronomers...

antagonists of the book series The New Jedi Order (1999–2003) depicted as an extragalactic, technophobic, fanatically religious species who were intent upon conquering...

NASA/IPAC Extragalactic Database. "NGC 1158". German Wikipedia. "NGC 1158". Celestial Atlas. "NGC 1158". In-The-Sky.org. "NGC 1158". NASA/IPAC Extragalactic Database...

brakeforce limitation Explanation-based learning, a form of machine learning Extragalactic background light, all the accumulated radiation in the universe Energa...

New Astronomy Reviews. 2nd VERITAS Symposium on the Astrophysics of Extragalactic Sources. 48 (5): 345–349. Bibcode:2004NewAR..48..345K. doi:10.1016/j...

National Astronomical Observatory of Japan. His main interests are extragalactic astronomy, especially observational study of active galaxies, and astronomical...

4411". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 19 July 2025. "Distance Results for NGC 4411". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

California Institute of Technology. "Results for NGC 2859". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration. Retrieved 23...

The Faber–Jackson relation provided the first empirical power-law relation between the luminosity L {\displaystyle L} and the central stellar velocity...

lines of NGC 1068 and two other such "nebulae" and classified them as extragalactic objects. In 1943, Carl Keenan Seyfert discovered more galaxies similar...

An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic...

Space Telescope (JWST) during NIRCam imaging for the JWST Advanced Deep Extragalactic Survey (JADES) on 29 September 2022. Spectroscopic observations by JWST's...

astrophysicist, known for his contributions to observational cosmology and extragalactic astrophysics. He has been a Professor at the Department of Physics of...

the Sombrero Galaxy. "NED results for object UGC 12591". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing...

home towns. Groups: Solar physics Stellar physics Stellar population Extragalactic physics AGN jets Binary Population Synthesis High-energy astrophysics...

radiation, with the attenuation being greater for blue light than for red. extragalactic astronomy The branch of astronomy that studies objects and phenomena...

"NASA/IPAC Extragalactic Database". Results for NGC 2541. Retrieved 2006-11-25. "Distance Results for NGC 2541". NASA/IPAC Extragalactic Database. Retrieved...

Leahy in 1993 and is in use. Extragalactic radio source is common but can lead to confusion, since many other extragalactic objects are detected in radio...

for NGC 3184". NASA/IPAC Extragalactic Database. Retrieved 2010-06-01. "Distance Results for NGC 3184". NASA/IPAC Extragalactic Database. Retrieved 2010-06-01...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Cepheids are important cosmic benchmarks for scaling galactic and extragalactic distances; a strong direct relationship exists between a Cepheid variable's...

in the quasar's spectrum. "NED Search results for 3C 351". NASA/IPAC Extragalactic Database. Retrieved 2025-10-04. Yuan, Q.; Green, R. F.; Brotherton,...

University Thesis Type II supernovae, expanding photospheres, and the extragalactic distance scale (1993) Doctoral advisor Robert Kirshner Doctoral students...

Institute of Technology Scientific career Fields Astrophysics, Astronomy (Extragalactic Astronomy and Cosmology) Institutions University of Arizona, Large Binocular...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 6 February 2026. "Distance Results for NGC 3197". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

by MASTER on 23 August 2016. "Results for object NGC 888". NASA/IPAC Extragalactic Database. Retrieved 20 June 2022. "Revised NGC and IC Catalog by Wolfgang...

galaxy—proof that BL Lacertae was not a star—were found in 1974. The extragalactic nature of BL Lacertae was not a surprise. In 1972 a few variable optical...

milliarcseconds from each other. "NED Search results for PKS 1155+251". NASA/IPAC Extragalactic Database. Retrieved 2025-12-19. Yang, Xiaolong; Liu, Xiang; Yang, Jun;...

Wide-field Infrared Survey Explorer (WISE, observatory code C51, Explorer 92 and MIDEX-6) was a NASA infrared astronomy space telescope in the Explorers...

données astronomiques de Strasbourg. Retrieved 2015-12-10. "NASA/IPAC Extragalactic Database". Results for UGC 8335. Retrieved 2015-12-10. Nilson, P. (1973)...

1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR. NASA/IPAC Extragalactic Database. "NED search results for object UGC 02885". Retrieved 2013-09-05...

1787, by William Herschel. List of NGC objects (2001-3000) "NASA/IPAC Extragalactic Database (NED) results for object NGC 2512". NASA/IPAC. Retrieved 2024-05-22...

19th-century astronomers considered them as either unresolved star clusters or extragalactic nebulae, but their true composition and natures remained a mystery....

and exoplanets 2006 Govind Swarup Radio astronomy 2008 Max Pettini Extragalactic cosmology 2010 James H. Hough Polarimetry 2012 Mike Irwin Digital optical...

Jean-Pierre Macquart; Fronefield Crawford III (2010). "Radio Bursts with Extragalactic Spectral Characteristics Show Terrestrial Origins". The Astrophysical...

Retrieved 2015-11-25. "Detailed Information for Object Arp 7". NASA/IPAC Extragalactic Database. Retrieved August 3, 2025. . Bibcode:1991RC3.9.C...0000d. {{cite...

Strasbourg. Retrieved 2021-08-23. "Results for object NGC 997". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 5 September 2024. Seligman, Courtney...

HV 11417 is a candidate Thorne–Żytkow object in the Small Magellanic Cloud, put forward in a paper by Emma Beasor and collaborators. The paper also claims...

Robert W. (February 2008). "Beyond the Galaxy: The Development of Extragalactic Astronomy 1885–1965, Part 1". Journal for the History of Astronomy....

of NGC objects (7001–7840) "Results for object NGC 7171". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 29 July 2024. "NGC 7171". SIMBAD...

towards the direction of M49. "Results for object NGC 4470". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 February 2025. "Revised NGC...

object IC 1101". NASA/IPAC Extragalactic Database. Retrieved 28 August 2022. "Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

GUSTO (Galactic / Extragalactic ULDB Spectroscopic Terahertz Observatory) is a high-altitude balloon mission that carries an infrared telescope to measure...

In astronomy, the velocity dispersion (σ) is the statistical dispersion of velocities about the mean velocity for a group of astronomical objects, such...

et al. (July 2018), "The Arecibo Legacy Fast ALFA Survey: The ALFALFA Extragalactic H I Source Catalog", The Astrophysical Journal, 861 (1): 49, arXiv:1805...

nickname. "Results for object WISEA J000939.34+070449.2". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 9 April 2025. "LEDA 1313424"....

Media related to IC 4592 at Wikimedia Commons IC 4592 in NASA/IPAC Extragalactic Database IC 4592 in SIMBAD Database IC 4592 at seds.org NASA Astronomy...

and Cambridge University Press. ISBN 978-0-933346-51-2. "NASA/IPAC Extragalactic Database". Results for NGC 4631. Retrieved 2006-11-21. "NGC 4631". SIMBAD...

Spitzer Space Telescope NGC 3448 by Sloan Digital Sky Survey "NASA/IPAC Extragalactic Database". Results for NGC 3448. Retrieved 2024-03-26. "Revised NGC...

there is a unique form of Gateway called "L-Gates" which link up to an extragalactic cluster of stars. Orbital Rings are massive ring structures built around...

Award of the German Astronomical Society in recognition of his work on extragalactic globular cluster systems. "AURA selects Kissler-Patig as new Gemini...

Eskilstuna, Sweden Alma mater Chalmers University of Technology Known for Extragalactic astrophysics Scientific career Institutions Chalmers University of Technology...

by Jarrett et al. 2000, with all the data retrieved from NASA/IPAC Extragalactic Database. As for the star formation, they employed a decreasing function...

hydrogen-alpha emission. "NED Search results for UGC 12840". NASA/IPAC Extragalactic Database. Retrieved 2026-05-15. Focardi, P.; Marano, B.; Vettolani,...

The Virgocentric flow (VCF) is the preferred movement of Local Group galaxies towards the Virgo Cluster caused by its overwhelming gravity, which separates...

In astronomy, dropout is a radiation source whose radiation intensity falls off sharply above or below a specific wavelength. The source will be easily...

formerly known as Get Hot New Stuff in KDE Software Compilation 4 Deep Extragalactic Survey, one of five components of the UKIRT Infrared Deep Sky Survey...

PA-99-N2 is a microlensing event detected in the direction of the Andromeda Galaxy in 1999. One possibility for the event is that a star in the disk of...

NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-28. "Distance Results for UGC 12682". NASA/IPAC EXTRAGALACTIC DATABASE...

2011-04-20. "NASA/IPAC Extragalactic Database". Retrieved 2018-06-27. "Results for object NGC UGC 1810 (UGC 1810)". NASA/IPAC Extragalactic Database. California...

HE 0437−5439 is a massive, unbound hypervelocity star (HVS), also called HVS3. It is a main sequence B-type star located in the Dorado constellation. It...

as large as the full Moon in visible light. Aquila also holds some extragalactic objects. One of them is what may be the largest single mass concentration...

Robert O. Evans, Australian amateur astronomer, discoverer of several extragalactic supernovae MPC · 3032 3033 Holbaek 1984 EJ Holbæk, Denmark, town nearest...

TheSkyLive.com". theskylive.com. Retrieved 2023-11-29. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2023-11-29. "NGC 665 - Galaxy...

3893, NGC 3896, NGC 3906, NGC 3928, NGC 3949, and NGC 4010. "NASA/IPAC Extragalactic Database". Results for NGC 3985. Retrieved 2024-04-02. "A Complete Guide...

reaching between 40% and 50%. "NED Search results for 4C 30.31". NASA/IPAC Extragalactic Database. Retrieved 2026-04-18. Olsen, E. T. (August 1967). "Accurate...

a degree northeast of Stephan's Quintet Copeland Septet "NASA/IPAC Extragalactic Database". Results for HCG 79. Retrieved 2006-10-29. "HubbleSite - NewsCenter...

NGC objects (3001–4000) "NED results for object ARP 187". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing...

5555 is visible only through long exposure photography. "NASA/IPAC Extragalactic Database". Results for NGC 5009. Retrieved 2025-10-09. "CDS Portal"...

perceived discriminatory naming "Distance Results for NGC 4568". NASA/IPAC Extragalactic Database. Retrieved 2010-05-01. "VV 219 -- Interacting Galaxies". SIMBAD...

"NASA/IPAC Extragalactic Database". Results for NGC 0036. Retrieved 2010-05-04. "Distance Results for NGC 0036". NASA/IPAC Extragalactic Database. Retrieved...

3521". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-10-24. Mao, Rui-Qing; et al. (December 2010), "An Extragalactic 12CO J = 3-2 Survey...

record for this object at VizieR. "NASA/IPAC Extragalactic Database (NED) - NGC 1162". NASA/IPAC Extragalactic Database. Retrieved 2024-06-19. Seligman,...

lies within the Local Void. List of NGC objects (7001–7840) "NASA/IPAC Extragalactic Database". Results for NGC 7077. Retrieved 2017-06-10. "Your NED Search...

phase curves Exoplanetary Circumstellar Environments and Disk Explorer Extragalactic planet Extrasolar planets in fiction Geodynamics of terrestrial exoplanets...

843 MHz frequencies. "NED Search results for PKS 1158-248". NASA/IPAC Extragalactic Database. Retrieved 2025-11-01. Santoro, F.; Tadhunter, C.; Baron, D...

between 6.5 and 69. "NED Search results for Markarian 1073". NASA/IPAC Extragalactic Database. Retrieved 3 January 2026. Afanasev, V. L.; Denisiuk, E. K...

background sources. "NED Search results for Abell 1942 BCG". NASA/IPAC Extragalactic Database. Retrieved 2025-08-19. Barber, Tom; Meiksin, Avery; Murphy...

(specifically of WN spectral type), making it one of only a few confirmed extragalactic Wolf–Rayet-black hole binary systems, the other prominent example being...

September 2024. List of NGC objects (2001-3000) Seyfert Galaxy "NASA/IPAC Extragalactic Database (NED) results for object NGC 2830". NASA/IPAC. Retrieved 2024-05-22...

velocity component of the Milky Way's thick disk, rather than having an extragalactic origin. List of stellar streams Necib, Lina; Ostdiek, Bryan; Lisanti...

the galaxy's position. "NED Search results for 4C 20.04A". NASA/IPAC Extragalactic Database. Retrieved 2025-12-18. Edge, D. O.; Shakeshaft, J. R.; McAdam...

Kim M. (2000-02-01). "The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant*"...

4261 – a similar elliptical galaxy "Results for NGC 5010". NASA/IPAC Extragalactic Database. Retrieved 2012-11-11. "Hubble Spots a Colorful Lenticular...

4375". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 August 2024. "Distance Results for NGC 4375". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

.59P. doi:10.1086/527415. "NED Results for Holmberg IX". NASA/IPAC Extragalactic Database. Retrieved 2026-01-18. "Holmberg IX Reveals A One Of A Kind...

including ArH+, CF+, HCN, HCO+, H2O, NH3, and OH+. As of 2014, it is the "extragalactic object with the largest number of detected molecular species". In 2023...

record for this object at VizieR. "NASA/IPAC Extragalactic Database (NED) - NGC 1163". NASA/IPAC Extragalactic Database. Retrieved 2024-06-19. Seligman,...

000 light years from the Galactic Center. Like Messier 54 (the other extragalactic globular on Messier's list), it is believed to not be native to the...

ISBN 978-0-933346-51-2. "Results for object MESSIER 090". NASA/IPAC Extragalactic Database. Retrieved 1 February 2006. "Messier 90". SEDS Messier Catalog...

Wesson, Paul (1991). "Olbers' paradox and the spectral intensity of the extragalactic background light". The Astrophysical Journal. 367: 399–406. Bibcode:1991ApJ...

of NGC objects (2001–3000) "Results for object NGC 2315". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 12 February 2026. Seligman, Courtney...

August 1993) is a Jamaican rapper and songwriter, known for his 2020 EP ExtraGalactic Quasar which led to him being named as one of Jamaican's top YouTube...

metal-rich globular cluster NGC 6356 "Object No. 1 – NGC 6356". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 19 October 2015. "Revised NGC Data for...

doctoral thesis titled "The radio spectra and cosmological evolution of extragalactic radio sources". In 1982, Peacock married Heather, a nurse and medical...

(incomplete) outline of research avenues and groups: Department of Extragalactic Astronomy Violent Stellar Formation Group AMIGA Group (Analysis of the...

(JAdES), a type of advanced electronic signature JWST Advanced Deep Extragalactic Survey (JADES) JADE (particle detector), a particle detector at DESY...

database of information on SSSB, maintained by JPL and Caltech. NASA/IPAC Extragalactic Database (NED) – a database of information on objects outside the Milky...

infrared/TeV crisis: Lack of attenuation of very energetic gamma rays from extragalactic sources. What is the nature of little red dots? Gravitational singularities:...

Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. The observations were performed in Earth's shadow to eliminate...

The Freeman law is a statement in astronomy which says that disk galaxies have the same surface brightness, Σ at the center. It was described in 1970 by...

astrochemistry, astrobiology, stellar astronomy, galactic astronomy, extragalactic astronomy, and physical cosmology. Astronomers can also specialize in...

Interacting galaxy List of NGC objects (7001–7840) "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-04-22. "New General...

the same size. NGC 3311, a supergiant elliptical galaxy "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2023-11-25. "NGC 1537 - Elliptical...

discovered on April 1, 1788 by the astronomer William Herschel. "NASA/IPAC Extragalactic Database (NED) results for object NGC 4346". NASA/IPAC. Retrieved 2024-05-22...

"Results for NGC 0061A". NASA/IPAC Extragalactic Database. Retrieved 2013-10-20. "Results for NGC 0061B". NASA/IPAC Extragalactic Database. Retrieved 2013-10-20...

at LEDA NGC 1701 at WikiSky NGC 1701 at Seigman "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-22. "Trekkie Galaxy...

Godzilla is a variable star candidate in the Sunburst galaxy at redshift z = 2.37 (or 10.9 billion light years from Earth), observed through the gravitational...

"Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. "Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu...

Space.com – Massive Black Hole Stumps Researchers Simbad "NASA/IPAC Extragalactic Database". Results for 0901+6942. Retrieved 2010-04-20. Romani, Roger...

neutrinos detected at the IceCube Neutrino Observatory, possibly of extragalactic origin, were nicknamed "Bert" and "Ernie". The British soap opera EastEnders...

of NGC objects (3001–4000) "Results for object NGC 3596". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-10-24. Seligman, Courtney...

The lookback time of extragalactic observations by their cosmological redshift up to z=20....

September 1954. "Results for object NGC 5879 (NGC 5879)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-12-12....

the universe. He conceived the BICEP (Background Imaging of Cosmic Extragalactic Polarization) instrument, which observed from the South Pole. BICEP...

foundational indicators of cosmic benchmarks for scaling galactic and extragalactic distances. The physical model explaining the Leavitt's law for classical...

Magellanic Cloud: NGC 121 NGC 265 NGC 290 NGC 346 NGC 602 "NASA/IPAC Extragalactic Database". Results for Small Magellanic Cloud. Retrieved 2006-12-01...

Hoyle, F.; Narlikar, J. V.; Wickramasinghe, N. C. (August 1990). "The extragalactic Universe: an alternative view". Nature. 346 (6287): 807–812. doi:10...

Strasbourg. Retrieved 11 July 2022. "SMACS J0723.3-7327". NASA/IPAC Extragalactic Database. WRAL (10 July 2022). "SMACS J0723.3-7327". WRAL.com. Retrieved...

production. Due to the mean path associated with this interaction, extragalactic cosmic ray protons traveling over distances larger than 163 Mly and...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 November 2024. "Distance Results for NGC 4790". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Nonetheless, the Hubble sequence is still commonly used in the field of extragalactic astronomy and Hubble types are known to correlate with many physically...

S2CID 11672751. "Results for object NGC 0117 (NGC 117)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-23....

Release. Retrieved 13 December 2012. Huchra, John. "Extragalactic Redshifts". NASA/IPAC Extragalactic Database. Harvard-Smithsonian Center for Astrophysics...

NGC/IC Project Restoration Effortngcicproject.observers.org "NASA/IPAC Extragalactic Database". Results for NGC 2442 / 2443. Retrieved 2023-02-08. Chadwick...

of 5.5 × 108 M☉. NGC 3937 "Results for object NGC 3929". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 21 June 2025. "Your NED Search...

S2CID 250737862. 50. "Results for object NGC 4777 (NGC 4777)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-03....

galaxy List of NGC objects (1–1000) Pisces (constellation) "NASA/IPAC Extragalactic Database". Results for NGC 0203. Retrieved 2016-09-02. An object's distance...

structures. "NED Search results for Abell 943 BCG (LEDA 2142331)". NASA/IPAC Extragalactic Database. Retrieved 2026-05-14. Morgan, W. W.; Lesh, Janet Rountree...

5988". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 3 August 2024. "Distance Results for NGC 5988". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

DR1. The supernova is estimated to occur within 17,000 years. Other extragalactic WO stars: AB8 (star) BAT99-123 LH 41-1042 LMC195-1 List of supernova...

radio emission halo. "NED Search results for Beaver galaxy". NASA/IPAC Extragalactic Database. Retrieved 2026-02-15. Harris, D. E.; Kapahi, V. K.; Ekers...

expanding gas bubbles. "NED Search results for TXS 0211-122". NASA/IPAC Extragalactic Database. Retrieved 2025-10-19. van Ojik, R.; Rottgering, H. J. A.;...

found to be highly polarized. It was first discovered in 1970 as an extragalactic radio source by astronomers and has a radio spectrum appearing to be...

Extragalactic Distance Ladder...

News: Breaking Science News. Retrieved 2024-07-17. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-17. "New General...

4) light-days. "NED search results for SDSS J1004+4112". NASA/IPAC Extragalactic Database. Retrieved 2025-06-15. "Gravitational Lens SDSS J1004+4112...

AB7, also known as SMC WR7, is a binary star in the Small Magellanic Cloud. A Wolf–Rayet star and a supergiant companion of spectral type O orbit in a...

for NGC 4565". NASA/IPAC Extragalactic Database. Retrieved 2026-03-27. "Distance Results for NGC 4565". NASA/IPAC Extragalactic Database. Retrieved 2026-03-27...

additional details can be accessed by clicking the link for the NASA/IPAC Extragalactic Database (NED) on the right-hand side of the table. Listed below are...

Cluster. List of NGC objects (4001–5000) Lenticular galaxy "NASA/IPAC Extragalactic Database". Results for NGC 4497. Retrieved 2017-10-31. "parsecs to lightyears...

Astrobiology Astrochemistry Astrometry Astrophysics Cosmochemistry Cosmology Extragalactic astronomy Galactic astronomy Orbital mechanics Physical cosmology Planetary...

10−12 erg cm−2 s−1. "NED Search results for B2 0806+35". NASA/IPAC Extragalactic Database. Retrieved 2026-01-25. Marcha, M. J. M.; Browne, I. W. A.;...

List of NGC objects (7001–7840) "Results for NGC 7427". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 3 August 2024. Seligman, Courtney...

of NGC objects (1001–2000) "Results for object NGC 1198". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 3 August 2024. Seligman, Courtney...

50T, doi:10.3847/0004-6256/152/2/50, S2CID 250737862, 50. "NASA/IPAC Extragalactic Database", Results for NGC 4826, retrieved 2018-12-13. Israel, F. P...

Nature News, 19 September 2008 Gänsicke et al.: SCP06F6: A carbon-rich extragalactic transient at redshift z~0.14. Preprint, 2008. Quimby; Kulkarni; Kasliwal;...

object is located 10.6 billion light years from Earth and presents an extragalactic astrophysical jet morphology. 4C +09.17 is classified a radio-loud quasar...

Sanduleak -69 202 (Sk -69 202, also known as GSC 09162-00821) was a magnitude 12 blue supergiant star, located on the outskirts of the Tarantula Nebula...

towards north with average polarization of 4 percent. "By Name NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-10-19. "1ES 1959+650...

Alma mater University of Copenhagen University of Leiden Known for Extragalactic astrophysics Scientific career Institutions Chalmers University of Technology...

of NGC objects (3001–4000) "Results for object NGC 3443". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved July 29, 2024. Seligman, Courtney...

object IC 1011, NASA/IPAC Extragalactic Database IC 1011 seds.org IC 1011 seds.org seds.org IC 1011 Vizier IC 1011 NASA Extragalactic Database NGC/IC Portals:...

include NGC 3116 and UGC 5481. "Results for object NGC 3106". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 17 February 2025. "Revised NGC...

NRAO 140 and a Possible Future Method for Constraining Ho and qo", Extragalactic Radio Sources, Dordrecht: Springer Netherlands, pp. 359–360, doi:10...

4378". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 June 2025. "Distance Results for NGC 4378". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Malo Gusto (born 2003), French footballer GUSTO, short for Galactic / Extragalactic ULDB Spectroscopic Terahertz Observatory, a high-altitude balloon mission...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 11 December 2025. "Distance Results for NGC 5905". NASA/IPAC Extragalactic Database. NASA...

3000 variable stars, and positions and magnitudes for more than 2000 extragalactic sources used to define the celestial reference frame". The second data...

three years by comparing new photographic plates to reference images of extragalactic regions. In 1938, Walter Baade became the first astronomer to identify...

The terms galactic corona and gaseous corona have been used in the first decade of the 21st century to describe a hot, ionised, gaseous component in the...

R71 (RMC 71, HD 269006) is a star in the Large Magellanic Cloud (LMC) in the constellation Mensa. It is classified as a luminous blue variable and is one...

Brett A. (2022-03-14). "2021 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules". The Astrophysical...

individual stars, nebulae, supernova remnants, galaxies and active extragalactic objects. The data supplemented the data obtained from the Astro-1 mission...

one of the clusters in the Virgo Supercluster. "By Name NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-10-09. "New General...

OGLE-LMC-CEP0227 is an eclipsing binary and Cepheid variable star, pulsating every 3.8 days. The star, in the Large Magellanic Cloud, was the first Cepheid...

NGC 4818 by Legacy Surveys "Results for object NGC 4818". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 February 2025. "Revised NGC...

phase curves Exoplanetary Circumstellar Environments and Disk Explorer Extragalactic planet Extrasolar planets in fiction Geodynamics of terrestrial exoplanets...

Reggiani, Henrique; Meléndez, Jorge (12 January 2018). "Evidences of extragalactic origin and planet engulfment in the metal-poor twin pair HD 134439/HD...

astronomiques de Strasbourg. Retrieved 2026-03-30. "IC 486 | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2026-03-30. Cutri, R. M.;...

Observatory. 2005. Retrieved April 1, 2012. "Results for NGC 1533". NASA/IPAC Extragalactic Database. Retrieved 2008-06-26. Ryan-Weber, Emma; Webster, Rachel; Bekki...

23 April 2010) University of Virginia, Mark Whittle, ASTR 553/554 : Extragalactic Astronomy (2007), "Lecture 5: Spiral Galaxies". Archived 7 July 2010...

of NGC objects (3001–4000) "Results for object NGC 3109". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-11-19. I. D. Karachentsev;...

focuses on what led Boba Fett and the Mandalorians to fend off the extragalactic Yuuzhan Vong invaders in The New Jedi Order: The Unifying Force (set...

galactic objects and are concentrated toward our galactic center, where extragalactic objects – such as distant galaxies – are rarely observed there due to...

4038". NASA/IPAC Extragalactic Database. Retrieved August 3, 2025. "Detailed Information for Object NGC 4039". NASA/IPAC Extragalactic Database. Retrieved...

"Results for object NGC 1512". NASA/IPAC Extragalactic Database. Retrieved 2006-11-25. "NASA/IPAC Extragalactic Database". Results for NGC 1512, Co-Moving...

Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance, shape, structure,...

the Cygnus OB2 association ionize the nebula's hydrogen. "NASA/IPAC Extragalactic Database". Results for NGC 6914. Archived from the original on December...

12, 1785 by William Herschel. Atlas of Peculiar Galaxies "NASA/IPAC Extragalactic Database (NED) results for object NGC 3068". NASA/IPAC. Retrieved 2024-05-22...

Retrieved 2021-02-09. "Results for object NGC 0031 (NGC 31)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-09....

Astrophysics. 309: 381–402. Bibcode:1996A&A...309..381K. "NASA/IPAC Extragalactic Database". Results for M 109. Retrieved 2006-10-10. "Messier 109". SEDS...

2) ± ((2.52 + 22)0.5 / 2) = 29.3 ± 1.6 "Results for M104". NASA/IPAC Extragalactic Database. Retrieved 2008-07-09. McQuinn, Kristen B. W.; Skillman, Evan...

NASA/IPAC NGC 3200 at SIMBAD NGC 3200 at LEDA "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-02. "NED Query Results...

2556 NGC 2557 NGC 2558 NGC 2560 NGC 2562NGC 2563 NGC 2569 "NASA/IPAC Extragalactic Database (NED) results for object NGC 2558". NASA/IPAC. Retrieved 2024-05-22...

The supergalactic coordinate system is a reference frame for the supercluster of galaxies that contains the Milky Way galaxy, referenced to a local relatively...

3389". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 July 2025. "Distance Results for NGC 3389". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Draco II / Leavens 4 is a dwarf satellite galaxy orbiting the Milky Way discovered by the Pan-STARRS1 3π survey in 2015. Currently, it is both one of the...

données astronomiques de Strasbourg. Retrieved 3 June 2019. "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 3 June 2019. Seligman, Courtney...

of NGC objects (3001–4000) "Results for object NGC 3353". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved November 25, 2024. "Revised NGC...

region is shaped as a cigar. "NED Search results for 3C 368". NASA/IPAC Extragalactic Database. Retrieved 2025-10-12. Scarrott, S. M.; Rolph, C. D.; Tadhunter...

the galaxy. List of Messier objects "Results for NGC 4406". NASA/IPAC Extragalactic Database. Retrieved 2006-11-14. Jensen, Joseph B.; Tonry, John L.; Barris...

1A. doi:10.1086/191333. ISSN 0067-0049. "Norma Cluster". NASA/IPAC Extragalactic Database (NED). Retrieved 2012-02-25. Kraan-Korteweg, Renee C. (2000)...

Coma Berenices. The galaxy is a member of the Coma I Group. "NASA/IPAC Extragalactic Database". Results for NGC 4448. Retrieved 2007-04-01. Sandage, A.;...

Reuven (July 1992), "The origin of intergalactic magnetic fields due to extragalactic jets", Monthly Notices of the Royal Astronomical Society, 257 (1): 135–151...

"By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-05. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

Données astronomiques de Strasbourg. Retrieved 2024-05-22. "NASA/IPAC Extragalactic Database results for object NGC 2560". NASA/IPAC. Retrieved 2024-05-22...

Herschel. [ned.ipac.caltech.edu "Results for NGC 2178"]. NASA/IPAC Extragalactic Database. Retrieved 2025-12-23. {{cite web}}: Check |url= value (help)...

at LEDA NGC 633 at WikiSky NGC 633 at Seligman "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-23. Soares, D. S...

1088/0004-6256/143/2/40. ISSN 0004-6256. S2CID 38472632. Schneider, P. (2006). Extragalactic astronomy and cosmology : an introduction. Berlin: Springer. p. 55....

physical galaxy pair. List of NGC objects (5001–6000) "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-24. "New General...

galaxies List of galaxies "Results for object MESSIER 032". NASA/IPAC Extragalactic Database. Retrieved 2006-11-29. Jensen, Joseph B.; Tonry, John L.; Barris...

arXiv:astro-ph/0003148. Bibcode:2000A&A...357..484S. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-08-03. Media related...

It was discovered on October 28, 1834, by John Herschel. "NASA/IPAC Extragalactic Database". Results for NGC 0215. Retrieved 2016-09-02. "New General...

mag. 17) was discovered by Stu Parker on 11 September 2016. NASA/IPAC Extragalactic Database SEDS: IC 1657 Seligman Pignata, G.; Bufano, F.; Gonzalez-Gaitan...

of NGC objects (7001–7840) "Results for object NGC 7363". NASA/IPAC Extragalactic Database. Retrieved 9 August 2024. Seligman, Courtney. "NGC 7363". Celestial...

presenting radio waves. "Results for object NGC 4839 (NGC 4839)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 25 May 2023...

The Ohio Sky Survey was an astronomical survey of extragalactic radio sources. Data were taken between 1965 and 1971 using the Big Ear radio telescope...

450 - 499". cseligman.com. Retrieved 2017-08-11. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-04. "Your NED Search...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 December 2025. "Distance Results for NGC 3756". NASA/IPAC Extragalactic Database. NASA...

W Mensae (W Men) is an unusual yellow supergiant star in the Large Magellanic Cloud in the southern constellation Mensa. It is an R Coronae Borealis variable...

; et al. (2013). "Dusty OB stars in the Small Magellanic Cloud. II. Extragalactic disks or examples of the Pleiades Phenomenon?". The Astrophysical Journal...

809 (MK 809). List of NGC objects (5001-6000) "NGC 5591". NASA/IPAC Extragalactic Database. Seligman, Courtney. "Celestial Atlas Table of Contents, NGC...

is unclear as to whether NGC 5408 is part of the group. "NASA/IPAC Extragalactic Database". Results for NGC 5408. Retrieved 2007-03-16. I. D. Karachentsev;...

25 February 2020. "NASA/IPAC Extragalactic Database". Results for NGC 5257. Retrieved 2006-11-22. "NASA/IPAC Extragalactic Database". Results for NGC 5258...

that the planetary system belongs to the globular cluster Messier 62. Extragalactic Distance Scale Kraken galaxy Leonard-Merritt mass estimator List of...

3913". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 29 March 2025. "Distance Results for NGC 3913". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

etc.). The primary form of attenuation is pair production by collision with extragalactic background light (EBL) and cosmic microwave background (CMB)....

Thrawn were exiled after the events of Star Wars Rebels. The only known extragalactic planet after Kamino Pillio Star Wars Battlefront II 2017 Video game...

distribution. "Results for object Hydra CLUSTER (Abell 1060)". NASA/IPAC Extragalactic Database. Retrieved 8 March 2026. "National Optical Astronomy Observatory"...

low-cost detectors for UHECR showers in collaboration with MARIACHI. CREDO Extragalactic cosmic ray Gamma-ray telescopes (Alphabetic list) Gamma-ray astronomy...

For publication in Mulchaey, John S.; Stocke, John T., eds. (2002). Extragalactic gas at low redshift: proceedings of a workshop held at Carnegie Observatories...

were originally formed in now defunct dwarf spheroidals. "NASA/IPAC Extragalactic Database". Results for Fornax Dwarf Spheroidal. Retrieved 2006-11-29...

astrochemistry astrobiology, stellar astronomy, galactic astronomy, extragalactic astronomy, and physical cosmology A 32,500-year-old carved ivory mammoth...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 20 February 2026. "Distance Results for NGC 5134". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

6389". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 August 2025. "Distance Results for NGC 6389". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

not known to have an active galactic nucleus. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-01-16. "New General...

imaged UTC 2023-04-24T03:06 "Distance Results for NGC 4995". NASA/IPAC Extragalactic Database. Retrieved 2023-04-21. "Revised NGC Data for NGC 4995". spider...

defeated Grand Admiral Thrawn by sending himself and Thrawn to the extragalactic planet of Peridea, regarded by many as the Empire's best tactician....

"NED Search results for Abell 1650 BCG (LEDA 1110773)". NASA/IPAC Extragalactic Database. Retrieved 2026-05-16. Quintana, H.; Infante, L.; Fouque, P...

ISBN 978-0-933346-51-2. "Results for object MESSIER 100". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-08-31. "Messier 100". Hearst...

field of astrophysics and completed her Ph.D. in 2012. She works in extragalactic astronomy and her research focuses on understanding the stability and...

Johny; et al. (2010). "A Giant Planet Around a Metal-poor Star of Extragalactic Origin". Science. 330 (6011): 1642–1644. arXiv:1011.6376. Bibcode:2010Sci...

telekinetic shape-shifters Floaters X-COM: UFO Defense Flood Halo An extragalactic parasitic species that intends to assimilate all of existence into its...

blue variable in outburst. "Results for object NGC 3423". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 February 2025. "Revised NGC...

northwestern wing. "NED Search results for SDSS J1239+5414". NASA/IPAC Extragalactic Database. Retrieved 2026-05-01. Smith, K. L.; Shields, G. A.; Bonning...

0.05 mJy. "NED Search results for MACS J2211.7−0349 BCG". NASA/IPAC Extragalactic Database. Retrieved 2026-06-01. von der Linden, Anja; Allen, Mark T...

the object NGC 0131 "NED Results for the object NGC 0131". NASA/IPAC Extragalactic Database. Retrieved 2016-02-24. New General Catalogue: NGC 100-149 -...

and is a member of Abell 262. List of NGC objects (1–1000) "NASA/IPAC Extragalactic Database". Results for NGC 714. Retrieved 2018-12-28. "Your NED Search...

List of Abell clusters "NED results for object ABELL 0383". NASA/IPAC Extragalactic Database (NED). Retrieved March 15, 2012. Abell, George O.; Corwin,...

Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images "Distance Results for NGC 0010". NASA/IPAC Extragalactic Database. Retrieved 2010-05-03. SEDS...

The Low-Frequency Array (LOFAR) is a large radio telescope, with an antenna network located mainly in the Netherlands, and spreading across 7 other European...

8-inch telescope. NGC 3628 Captured by Dwarf3 Smart Telescope "NASA/IPAC Extragalactic Database". Results for NGC 3628. Retrieved 2006-10-24. Messier Catalogue...

Cosmology (2009) Scientific career Fields Astronomy Institutions Texas A&M University Thesis H II regions as extragalactic distance indicators  (1978)...

List of supernova remnants List of supernova candidates "NASA/IPAC Extragalactic Database". Results for NGC 5177. Retrieved 2010-05-19. "NGC 5177". SIMBAD...

M31-RV is a possible red cataclysmic variable star located in the Andromeda Galaxy (M31) that experienced an outburst in 1988, which was similar to the...

high-powered telescope reaches Chilean peak". March 31, 2025. "Exploring Extragalactic Neighborhoods". 10 June 2020. Portals: Chile Astronomy Stars Spaceflight...

around a factor of 3. "NED Search results for J1328+2752". NASA/IPAC Extragalactic Database. Retrieved 2026-03-20. Liu, Xin; Shen, Yue; Strauss, Michael...

intends to use Imperial resources to engage in open warfare with the extragalactic fanatics, the Grysk, before they can invade the galaxy, in the meantime...

original object observed by Herschel is the H II region Mrk 71. "NASA/IPAC Extragalactic Database". Results for NGC 2363. Retrieved 2007-04-06. "Hubble Observes...

interaction of the two galaxies caused star formation in NGC 7679. "NASA/IPAC Extragalactic Database". Results for NGC 7682. Retrieved 2020-11-03. "Revised NGC...

147 kpc/arcsec multiplied with given angular diameters. "NASA/IPAC Extragalactic Database". Results for 3C 236. Retrieved 2008-07-19. "SIMBAD query result"...

Retrieved 6 November 2008. Loeb, Abraham (2002). "The Long-Term Future of Extragalactic Astronomy". Physical Review D. 65 (4) 047301. arXiv:astro-ph/0107568...

Retrieved 3 January 2014. "NED results for object MESSIER 065". NASA/IPAC Extragalactic Database. Retrieved 2006-10-21. "Messier 65". SEDS Messier Catalog....

to be 22.48° ± 0.79°. "NED Search results for NGC 7734". NASA/IPAC Extragalactic Database. Retrieved 2025-12-28. "Revised NGC Data for NGC 7734". spider...

maximum and significantly reddened. "Results for NGC 4096". NASA/IPAC Extragalactic Database. Retrieved 2024-03-26. "Revised NGC Data for NGC 4096". spider...

4062 in infrared by 2MASS "Results for object NGC 4062". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 February 2025. "Revised NGC...

December 1983). "Interferometric observations of compact components in extragalactic radio sources - II". Monthly Notices of the Royal Astronomical Society...

Society, Vol. 38, p.93; (accessed 1 March 2009) University of Wisconsin, Barred Magellanic Spirals (accessed 1 March 2009) NASA/IPAC Extragalactic Database...

1111/j.1745-3933.2011.01115.x. ISSN 1745-3925. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-01-06. "PGC 119230 -...

direction of cosmic rays at energies above 8×1018 eV. This supports that extragalactic sources (i.e. outside of our galaxy) for the origin of these extremely...

astronomical objects Starburst galaxies Superclusters Voids Related Extragalactic astronomy Galactic astronomy Galactic coordinate system Galactic habitable...

"Coordinate Transformation & Galactic Extinction Calculator". NASA/IPAC Extragalactic Database. California Institute of Technology. Archived from the original...

1168 – TheSkyLive". TheSkyLive. Retrieved 28 June 2024. "NASA/IPAC Extragalactic Database – NGC 1168". NASA/IPAC. Retrieved 28 June 2024. "SIMBAD Astronomical...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 November 2024. "Distance Results for NGC 673". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

of NGC objects (4001–5000) "Results for object NGC 4301". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 26 June 2025. Seligman, Courtney...

Galaxy Abell 1835 IR1916. Abell 2218 List of Abell clusters "NASA/IPAC Extragalactic Database". Results for Abell 1835. Retrieved 2006-11-28. Abell, George...

Melnick 34 (abbreviated to Mk34), also called BAT99-116, is a binary Wolf–Rayet star near R136 in the 30 Doradus complex (also known as the Tarantula Nebula)...

Silbermann; A. Turner (1999). "The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XX. The Discovery of Cepheids in the Virgo Cluster Galaxy...

Stewart. List of NGC objects (1–1000) Pisces (constellation) "NASA/IPAC Extragalactic Database". Results for NGC 0276. Retrieved September 2, 2016. An object's...

The interaction started less than one billion years ago. "NASA/IPAC Extragalactic Database". Results for NGC 1596. Retrieved 6 February 2025. "Revised...

"NASA/IPAC Extragalactic Database". Results for NGC 0022. Retrieved 2010-05-04. "Distance Results for NGC 0022". NASA/IPAC Extragalactic Database. Retrieved...

Webb Telescope targeted LRDs in the 'Red Unknowns: Bright Infrared Extragalactic Survey', observing rapid gas orbits of roughly 900 km/s—a strong indicator...

interferometric study of 21 cm absorption towards a large number of galactic and extragalactic sources. He also contributed in designing and fabricating hang-gliders...

private donation to WMKO by Gordon and Betty Moore. DEIMOS The Deep Extragalactic Imaging Multi-Object Spectrograph is capable of gathering spectra from...

Galaxy in Hydra | TheSkyLive". theskylive.com. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. "NGC 3904 - elliptical galaxy. Description...

of NGC objects (1001–2000) "Results for object NGC 1716". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 31 July 2025. Herschel, J. F....

"By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2022-02-18. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

Telescope observed the galaxy using MIRI for the Feedback in Emerging extrAgalactic Star clusTers (JWST-FEAST) project. The Whirlpool Galaxy lies at a distance...

389–422. Bibcode:1982ApJ...257..389T. doi:10.1086/159999. "NASA/IPAC Extragalactic Database". Results for various galaxies. Archived from the original...

publications indexed by Google Scholar McKee, Maggie (September 27, 2007). "Extragalactic radio burst puzzles astronomers". New Scientist. Retrieved September...

object NGC 5291". NASA/IPAC Extragalactic Database. Retrieved 2007-04-03. "Distance Results for NGC 5291". NASA/IPAC Extragalactic Database. NASA. Retrieved...

splinter of Leviathan) and the forces of Chaos. The Tyranids are an extragalactic insectoid race whose sole purpose is to consume all forms of biomatter...

1086/312044. "Detailed Information for Object NGC 3109". NASA/IPAC Extragalactic Database. Retrieved September 13, 2023. Evans, Chris; et al. (2006)...

may also be tidally locked or even tidally deformed. The unconfirmed extragalactic planet M51-ULS-1 b. The unconfirmed planet or brown dwarf, IGR J12580+0134...

categorised as a Type Ia supernova five days before maximum. "NASA/IPAC Extragalactic Database". Results for NGC 5996. Retrieved 2024-03-26. "Revised NGC...

observed by the James Webb Space Telescope in mid infrared. "NASA/IPAC Extragalactic Database". Results for NGC 1784. Retrieved 6 February 2025. "Revised...

"Messier 83". SEDS Messier Catalog. Retrieved 30 April 2022. "NASA/IPAC Extragalactic Database". Results for NGC 5236. Retrieved 8 December 2006. "M 83"....

4386, IC 4402, and IC 4441. "Results for object NGC 5483". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 March 2025. "Revised NGC Data...

ISSN 1357-0978. Retrieved 2019-01-05. "The Milky Way Is Running Away From An Extragalactic Void". IFLScience. 30 January 2017. Retrieved 2019-01-05. "Poussée par...

S2CID 11672751. "Results for object NGC 4780 (NGC 4780)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02....

section and a diffused region. "NED Search results for 3C 132". NASA/IPAC Extragalactic Database. Retrieved 2025-09-27. Bennett, A. S. (1962). "The revised...

supernovae "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-05-09. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

not produced by the stars. List of NGC objects (1–1000) "NASA/IPAC Extragalactic Database". Results for NGC 625. Retrieved 2006-12-19. Karachentsev,...

Centaurus Cluster. List of NGC objects (4001–5000) NGC 4340 "NASA/IPAC Extragalactic Database". Results for NGC 4744. Archived from the original on 2000-10-19...

Canes Venatici (constellation) "Results for object NGC 4490". NASA/IPAC Extragalactic Database. Retrieved 2016-01-18. Seligman, Courtney. "New General Catalogue...

is included in Halton Arp's Atlas of Peculiar Galaxies. "NASA/IPAC Extragalactic Database". Results for NGC 0169. Retrieved 2016-09-02. "New General...

1086/516636. S2CID 119085482. "NED results for object ARP 256S". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing...

The Great Observatories Origins Deep Survey, or GOODS, is an astronomical survey combining deep observations from three of NASA's Great Observatories:...

1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331. "NASA/IPAC Extragalactic Database". Results for Messier 98. Retrieved 18 November 2006. Erwin...

observed at considerable distances in the universe, and the study of extragalactic H II regions (Such as NGC 604 and 206) is important in determining the...

year. "NED Search results for ZwCl 2701 BCG (LEDA 2401970)". NASA/IPAC Extragalactic Database. Retrieved 2026-04-04. Crawford, C. S.; Edge, A. C.; Fabian...

of cooling flows. "NED Search results for MS 0839.8+2938". NASA/IPAC Extragalactic Database. Retrieved 2026-05-08. Hutchings, J. B.; Edwards, L. (March...

be described by macroscopic concepts. Orders of magnitude (length) Extragalactic distance scale Scale height Zee, Anthony (2010). Quantum field theory...

interstellar dust forming gas. "NED Search results for PG 2112+059". NASA/IPAC Extragalactic Database. Retrieved 2025-08-17. Schmidt, M.; Green, R. F. (June 1983)...

{{cite web}}: Missing or empty |title= (help) "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-04-22. NGC 6742 at SIMBAD...

Board of INAF from 2011 to 2013. The main areas of his research are: extragalactic astronomy, cosmology, formation and evolution of galaxies, quasars,...

object NGC 1232". NASA/IPAC Extragalactic Database. Retrieved 2006-11-25. "Distance Results for NGC 1232". NASA/IPAC Extragalactic Database. Retrieved 2010-06-22...

"NASA/IPAC Extragalactic Database". Results for NGC 0021. Retrieved 2010-05-03. "Distance Results for NGC 0021". NASA/IPAC Extragalactic Database. Retrieved...

"NASA/IPAC Extragalactic Database". Results for NGC 0001. Retrieved 4 November 2006. "Distance Results for NGC 0001". NASA/IPAC Extragalactic Database....

5566". NASA / IPAC Extragalactic Database. NASA. Retrieved 29 May 2013. "Distance Results for NGC 5566". NASA/IPAC Extragalactic Database. Retrieved...

Virgo Cluster. List of NGC objects (4001–5000) NGC 4365 "NASA/IPAC Extragalactic Database". Results for NGC 4578. Retrieved 2018-02-20. "Your NED Search...

and B. HL 293B, sometimes called Kinman's Dwarf, was noted to be an extragalactic, nonstellar object, with a jet, approximately 22.6 Mpc away from Earth...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Virgo Cluster. List of NGC objects (4001–5000) NGC 4826 "NASA/IPAC Extragalactic Database". Results for NGC 4531. Retrieved 2017-11-25. "parsecs to lightyears...

sdss.org. Sloan Digital Sky Survey. Retrieved 8 June 2015. "NASA/IPAC Extragalactic Database - NGC 71". NED. NASA/IPAC. Retrieved 8 June 2015. Seligman...

Type IV civilization would be able to draw the energy it needs from extragalactic radiation. By studying the evolution of technologies that have changed...

"NASA/IPAC Extragalactic Database". Results for NGC 4027. Retrieved 2006-10-31. "Distance Results for NGC 4027". NASA/IPAC Extragalactic Database. Retrieved...

Log(L/L{\odot })=3.71} ). "Results for object NGC 7094". NASA/IPAC Extragalactic Database. Retrieved 2023-12-17. "NGC 7094". Aladin Lite, Centre de données...

Haotong Zhang (2010). "Eight new quasars discovered by LAMOST in one extragalactic field". Research in Astronomy and Astrophysics. 10 (8): 745–752. arXiv:1006...

6744". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 31 August 2006. "Distance Results for NGC 6744". NASA/IPAC Extragalactic Database. NASA...

NASA/IPAC Extragalactic Database. Retrieved 2026-04-16. Bridle, A. H.; Kesteven, M. J. L.; Brandie, G. W. (January 1977). "Variability of extragalactic sources...

org/ngc/ngc.cgi?NGC+4020 "kosmoved.ru". "NGC4020 (Galaxy)". "NASA/IPAC Extragalactic Database". "NGC 4020 - Spiral Galaxy in Ursa Major". "NGC 4020 (= PGC...

15 November 2020. "Results for object NGC 0025 (NGC 25)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 12 February...

of NGC objects (2001–3000) "Results for object NGC 2283". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 7 August 2024. Seligman, Courtney...

R136b is a blue supergiant star in the R136 cluster in the Large Magellanic Cloud. It is one of the most massive and most luminous stars known. It is found...

galaxies are NGC 4823, NGC 4829, and NGC 4820. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-04-01. "NGC 4825 - Elliptical/Spiral...

ISBN 978-0-00-716221-5. Sandage, A. R. (May 1958). "Current Problems in the Extragalactic Distance Scale". Astrophysical Journal. 127 (3): 513–526. Bibcode:1958ApJ...

and Cambridge University Press. ISBN 978-0-933346-51-2. "NASA/IPAC Extragalactic Database". Results for NGC 4627. Retrieved 2007-04-01. Neininger, N...

is about ten times higher and the pairing is just visual. "NASA/IPAC Extragalactic Database". Results for NGC 1515. Retrieved 1 February 2025. "Revised...

; Pauliny-Toth, I. I. K.; Nauber, U. (1981-09-01). "A Catalogue of Extragalactic Radio Sources Having Flux Densities Greater than 1-JY at 5-GHZ". Astronomy...

features noticeably less star formation activity. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-01-10. "NGC 6622 - Spiral...

Retrieved 2020-05-28. "Results for object NGC 0913 (NGC 913)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-28....

November 1863 by Albert Marth. List of NGC objects (1–1000) "NASA/IPAC Extragalactic Database". Results for NGC 0170. Retrieved 2016-09-02. "New General...

half the diameter of the Milky Way. Image from the 2MASS "NASA/IPAC Extragalactic Database". Results for NGC 406. Retrieved 12 February 2017. "NGC 406"...

estimated for the object. "NED Search results for 4C 38.41". NASA/IPAC Extragalactic Database. Retrieved 2025-10-11. Peng, B.; de Bruyn, A. G. (September...

(outline) Archaeoastronomy Astrometry Amateur astronomy Forensic astronomy Extragalactic astronomy Galactic astronomy High-energy astronomy Observational astronomy...

Institution, concentrating on astrophysical studies including galactic and extragalactic astronomy, cosmology, solar, earth and planetary sciences, theory and...

S2CID 122011477. Irving Segal (1976): Mathematical cosmology and extragalactic astronomy. Pure and Applied Mathematics Series, Vol. 68. Academic Press...

and Cambridge University Press. ISBN 978-0-933346-51-2. "NASA/IPAC Extragalactic Database". Results for NGC 4656. Retrieved 2006-04-30. info@noirlab...

NGC 388, NGC 386 forms a galaxy cluster called Arp 331. "NASA/IPAC Extragalactic Database". Results for NGC 0386. Retrieved September 2, 2016. "New General...

Eridanus, discovered by Francis Preserved Leavenworth in 1886. "NASA/IPAC Extragalactic Database". Results for NGC 1234. Retrieved 2008-07-18. Seligman, Courtney...

(1982), "Westerbork Observations of Low Luminosity Radio Sources", Extragalactic Radio Sources, Dordrecht: Springer Netherlands, pp. 193–194, doi:10...

female professor of physics in Australia. Her main focus areas are extragalactic astronomy and cosmology; she researches black holes and the first stars...

of NGC objects (5001–6000) "Results for object NGC 5314". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 11 August 2024. Seligman, Courtney...

HV 2112 is a cool luminous variable star in the Small Magellanic Cloud. Until 2018, it was considered to be the most likely candidate for a Thorne–Żytkow...

3314". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 July 2025. "Results for object NGC 3314A". NASA/IPAC Extragalactic Database. NASA...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 December 2024. "Distance Results for NGC 2685". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Retrieved 2021-05-25. "Results for object NGC 5198 (NGC 5198)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-05-25....

4617". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 26 August 2025. "Distance Results for NGC 4617". NASA/IPAC Extragalactic Database. NASA...

p.187 Bibcode:1941PASP...53..187S Burbidge, E. Margaret The Strange Extragalactic Systems Mayall's Object and IC 883, Astrophysical Journal, vol. 140...

Retrieved 2024-04-15. "Results for object NGC 0561 (NGC 561)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2024-11-01....

Current Data Release: 10.1". "Results for object NGC 7169". NASA/IPAC Extragalactic Database. Retrieved 2024-02-13. "Data from "Revised NGC and IC Catalog...

Rubin Observatory imaged the area. List of Messier objects "NASA/IPAC Extragalactic Database", Results for NGC 4472, retrieved September 26, 2006. "Messier...

range, thus directly demonstrating by the redshift that GRBs are of extragalactic origin. In 1999, he developed the X-ray detector for the Italian X-ray/gamma-ray...

the galaxy is estimated to be 0.13 solar masses per year. "NASA/IPAC Extragalactic Database". Results for NGC 4747. Retrieved 2023-05-06. Seligman, Courtney...

the survey's goals as the following: The Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey is designed to document the first third of galactic evolution...

A galactic tide is a tidal force experienced by objects subject to the gravitational field of a galaxy such as the Milky Way. Particular areas of interest...

of NGC objects (4001–5000) "Results for object NGC 4611". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 July 2024. Seligman, Courtney...

discipline that deals with the nature of the Universe as a whole. History of extragalactic astronomy – history of the branch of astronomy concerned with objects...

Southern Observatory. His research interests included supernovae and the extragalactic distance scale. Tammann was a former President of the International...

that also includes the galaxies NGC 3348, and NGC 3364. "NASA/IPAC Extragalactic Database". Results for NGC 3516. Retrieved 2016-01-18. "Revised NGC...

strong candidate for an astrophysical black hole, and many important extragalactic sources. The Uhuru Catalog, issued in four successive versions, the...

and the naked-eye variables R Serpentis and Tau4 Serpentis. Notable extragalactic objects include Seyfert's Sextet, one of the densest galaxy clusters...

galaxies targeted by the Hubble Space Telescope (HST) Key Project on the Extragalactic Distance Scale, which aimed to calibrate various secondary distance...

these objects once it was realized in the 20th century that they were extragalactic – discovered by Charles Messier in 1781. It is the faintest object in...

being NGC 274. Spiral galaxy List of NGC objects (1–1000) "NASA/IPAC Extragalactic Database". Results for NGC 0275. Retrieved September 2, 2016. An object's...

discovered by the Palomar Transient Factory on 8 November 2013. "NASA/IPAC Extragalactic Database". Results for NGC 0414. Retrieved September 2, 2016. "New General...

Groups Virgo II Groups Virgo III Groups "MESSIER 096 GROUP". NASA/IPAC Extragalactic Database. Retrieved 2015-11-05. "NAME M96 GROUP". SIMBAD. Centre de...

Albert Marth on May 26, 1864. List of NGC objects (4001–5000) "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 28 November 2017. "Revised...

.6K. doi:10.3847/1538-3881/153/1/6. S2CID 119388974. 6. "NASA/IPAC Extragalactic Database". Results for NGC 0024. Retrieved 2010-05-04. de Vaucouleurs...

Virgo Cluster. List of NGC objects (4001–5000) NGC 4477 "NASA/IPAC Extragalactic Database". Results for NGC 4479. Retrieved 2017-09-30. "Your NED Search...

"NASA/IPAC Extragalactic Database". Results for NGC 2500. Retrieved 2010-05-13. "Distance Results for NGC 2500". NASA/IPAC Extragalactic Database. Retrieved...

(6001–7000) List of NGC objects "Object No. 1 – NGC 6300". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 4 October 2015. "Revised NGC Data for...

the Sloan Digital Sky Survey "Results for object NGC 3672". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 February 2025. "Revised NGC...

estimated at 3.2 × 107 M☉. "NED Search results for NGC 7212". NASA/IPAC Extragalactic Database. Retrieved 2026-01-31. "Revised NGC Data for NGC 7212". spider...