K2-415
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cancer[1] |
| Right ascension | 09h 08m 48.85461s[2] |
| Declination | +11° 51′ 41.1161″[2] |
| Apparent magnitude (V) | 15.330[3] |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | M5V[3] |
| Apparent magnitude (V) | 15.330±0.027[3] |
| Apparent magnitude (G) | 13.7957±0.0004[3] |
| Apparent magnitude (J) | 10.739±0.026[3] |
| Apparent magnitude (H) | 10.170±0.023[3] |
| Apparent magnitude (K) | 9.899±0.023[3] |
| Astrometry | |
| Proper motion (μ) | RA: -458.503 mas/yr[2] Dec.: 192.574 mas/yr[2] |
| Parallax (π) | 45.8625±0.0196 mas[2] |
| Distance | 71.12 ± 0.03 ly (21.804 ± 0.009 pc) |
| Details[3] | |
| Mass | 0.1635±0.0041 M☉ |
| Radius | 0.1965±0.0058 R☉ |
| Luminosity (bolometric) | 0.00351+0.00033 −0.00030 L☉ |
| Surface gravity (log g) | 5.066±0.027 cgs |
| Temperature | 3173±53 K |
| Metallicity [Fe/H] | −0.13±0.18 dex |
| Rotation | 4.26±0.12 d |
| Rotational velocity (v sin i) | ~2.3 km/s |
| Other designations | |
| K2-415, GJ 11330, G 41-26, LHS 5144, LSPM J0908+1151, NLTT 21051, EPIC 211414619, TOI-5557, TIC 323687123, 2MASS J09084885+1151411[4][3] | |
| Database references | |
| SIMBAD | data |
K2-415 is an M5 red dwarf star located 72 light-years from Earth. K2-415 has a mass that is 16% of the mass of the Sun.[5]
Planetary system
The star has one known planet orbiting it: K2-415b.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination (°) |
Radius |
|---|---|---|---|---|---|---|
| b | 3.0±2.7 M🜨 | 0.0270±0.00023 | 4.0179694±0.0000027 | — | 89.32±0.41 | 1.015±0.051 R🜨 |
References
- ^ "Finding the constellation which contains given sky coordinates". djm.cc. 2 August 2008.
- ^ a b c d Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c d e f g h i j Hirano, Teruyuki; Dai, Fei; et al. (March 2023). "An Earth-sized Planet around an M5 Dwarf Star at 22 pc". The Astronomical Journal. 165 (3): 131. arXiv:2302.00699. Bibcode:2023AJ....165..131H. doi:10.3847/1538-3881/acb7e1.
- ^ "G 41-26". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 9 April 2023.
- ^ Alaeva, Liliia (2023-02-06). "Earth's twin is found in the nearest planetary system". Журнал The Universemagazine Space Tech. Retrieved 2023-04-05.
 | This article about a red dwarf is a stub. You can help Wikipedia by adding missing information. |
Content Disclaimer
Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.
- The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
- There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
- It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
- Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
- Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.