NGC 2902
| Galaxy NGC 2902 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 30 m 52.9 s |
| declination | -14 ° 44 ′ 09 ″ |
| Appearance | |
| Morphological type | SA (s) 0 ^ 0 ^ |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.6 ′ × 1.3 ′ |
| Position angle | 8 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 174 |
| Redshift | 0.006655 ± 0.000020 |
| Radial velocity | (1995 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(81 ± 6) · 10 6 ly (24.7 ± 1.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 8, 1785 |
| Catalog names | |
| NGC 2902 • PGC 27004 • MCG -02-24-030 • 2MASX J09305289-1444089 • GC 1860 • H III 276 • LDCE 0650 NED002 | |
NGC 2902 is a lenticular galaxy of the Hubble-type S0 in the constellation Water Snake south of the celestial equator . It is estimated to be 81 million light years from the Milky Way .
The object was discovered on February 8, 1785 by Wilhelm Herschel .
NGC 2902 group ( LGG 174 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 2902 | PGC 27004 | 81 |
| PGC 26776 | MCG-02-24-023 | 79 |
| PGC 26905 | MCG-02-24-027 | 82 |