IC 251
| Galaxy IC 251 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 41 m 13.8 s |
| declination | -14 ° 57 ′ 28 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 0.6 ′ × 0.6 ′ |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.024917 ± 0.000127 |
| Radial velocity | 7470 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(332 ± 23) · 10 6 ly (101.8 ± 7.1) Mpc |
| diameter | 85,000 ly |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 5, 1891 |
| Catalog names | |
| IC 251 • PGC 10184 • MCG -03-07-054 • 2MASX J02411385-1457276 • LDCE 198 NED002 | |
IC 251 is a spiral galaxy of Hubble type S in the constellation Cetus south of the ecliptic . It is estimated to be 332 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of the sky are the galaxies NGC 1065 , IC 252 , IC 253 , IC 254 .
The object was discovered by Stéphane Javelle on December 5, 1891 .