IC 1000
| Galaxie IC 1000 | |
|---|---|
| IC 1000 (l.) & IC 999, SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Bärenhüter |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 14h 19m 40,3s [1] |
| Deklination | +17° 51′ 17″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | S0[1] |
| Helligkeit (visuell) | 13,3 mag[2] |
| Helligkeit (B-Band) | 14,3 mag[2] |
| Winkelausdehnung | 0,9′ × 0,5′[2] |
| Positionswinkel | 23°[2] |
| Flächenhelligkeit | 12,3 mag/arcmin²[2] |
| Physikalische Daten | |
| Rotverschiebung | 0.018782 ± 0.000008[1] |
| Radialgeschwindigkeit | (5631 ± 2) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(253 ± 18)e6 Lj (77,5 ± 5,4) Mpc [1] |
| Durchmesser | 115.000 Lj[3] |
| Geschichte | |
| Entdeckung | Stéphane Javelle |
| Entdeckungsdatum | 23. Juni 1892 |
| Katalogbezeichnungen | |
| IC 1000 • UGC 9170 • PGC 51201 • CGCG 104-004 • MCG +03-37-003 • 2MASX J14194035+1751168 • 2MASS J14194030+1751168 • NSA 121510 • WISEA J141940.31+175116.8 | |
IC 1000 ist eine linsenförmige Galaxie vom Hubble-Typ S0 im Sternbild Bärenhüter am Nordsternhimmel. Sie ist rund 253 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 115.000 Lichtjahren. Vom Sonnensystem aus entfernt sich die Galaxie mit einer errechneten Radialgeschwindigkeit von näherungsweise 5600 Kilometern pro Sekunde. Gemeinsam mit IC 999 und PGC 51208 bildet sie ein gravitativ gebundenes Galaxientrio.
Das Objekt wurde am 23. Juni 1892 vom französischen Astronomen Stéphane Javelle entdeckt.[4]
Galaktisches Umfeld
| Nr. | Galaxie | Alternativname | Rek | Dek | Distanz/asec |
|---|---|---|---|---|---|
| →[5] | IC 1000 | PGC 51201 | 14h19m40.308 | +17d51m16.89 | 0 |
| 1 | IC 999 | PGC 51189 | 14h19m32.675 | +17d52m31.10 | 131.90 |
| 2 | LEDA/PGC 51208 | UGC 9171 | 14h19m51.63 | +17d50m12.5 | 173.55 |
| 3 | 2MASX J14195512+1755204 | WISEA J141955.07+175521.1 | 14h19m55.069s | +17d55m20.97s | 322.52 |
| 4 | LEDA/PGC 1545973 | WISEA J141946.58+175641.6 | 14h19m46.596 | +17d56m41.36 | 336.72 |
| 5 | LEDA/PGC 1545018 | 2MASX J14195967+1754324 | 14h19m59.624s | +17d54m32.37s | 338.06 |
| 6 | LEDA/PGC 1545405 | 2MASX J14195673+1755264 | 14h19m56.710s | +17d55m26.49s | 342.27 |
| 7 | 2MASX J14195617+1755424 | WISEA J141956.15+175542.7 | 14h19m56.149s | +17d55m42.86s | 349.16 |
| 8 | LEDA/PGC 1545639 | 2MASX J14195841+1755584 | 14h19m58.393s | +17d55m58.64s | 382.13 |
| 9 | LEDA/PGC 1545964 | 2MASX J14192129+1756409 | 14h19m21.333s | +17d56m40.73s | 422.25 |
| 10 | LEDA/PGC 1546630 | 2MASX J14193255+1758124 | 14h19m32.55s | +17d58m12.6s | 429.89 |
| 11 | LEDA/PGC 1546680 | WISEA J141947.85+175820.3 | 14h19m47.861s | +17d58m20.39s | 438.18 |
| 12 | LEDA/PGC 1547017 | 2MASX J14193398+1759038 | 14h19m33.985s | +17d59m04.55s | 476.37 |
| 13 | LEDA/PGC 1539918 | WISEA J141930.89+174319.0 | 14h19m30.912s | +17d43m18.96 | 496.34 |
| 14 | LEDA/PGC 1539799 | WISEA J141930.30+174302.0 | 14h19m30.313s | +17d43m01.92s | 515.08 |
| 15 | 2MASX J14195597+1759031 | WISEA J141955.96+175902.8 | 14h19m55.951s | +17d59m02.72s | 516.64 |
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