NGC 902
| Galaxy NGC 902 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 22 m 21.7 s |
| declination | -16 ° 40 ′ 45 ″ |
| Appearance | |
| Morphological type | SB (rs) bc? |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.6 ′ × 0.5 ′ |
| Position angle | 15 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.022532 +/- 0.000097 |
| Radial velocity | 6755 +/- 29 km / s |
|
Stroke distance v rad / H 0 |
(301 ± 21) x 10 6 ly (92.2 ± 6.5) Mpc |
| history | |
| discovery | Francis Leavenworth |
| Discovery date | November 28, 1885 |
| Catalog names | |
| NGC 902 • PGC 9021 • MCG -03-07-005 • IRAS F02199-1654 • 2MASX J02222174-1640447 • SGC 0219.8-1656 • LEDA 9021 | |
NGC 902 is a barred spiral galaxy of the Hubble type SBbc in the constellation Whale south of the celestial equator . It is estimated to be 301 million light years away from the Milky Way and has a diameter of around 50,000 ly.
In the same area of the sky is the galaxy NGC 887 .
The object on was discovered by Francis Leavenworth on November 28, 1885 .