IC 231
| Galaxy IC 231 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 29 m 56.4 s |
| declination | + 01 ° 10 ′ 45 ″ |
| Appearance | |
| Morphological type | S0: |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.00 'x 0.8' |
| Position angle | 160 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.022032 ± 0.000070 |
| Radial velocity | 6605 ± 21 km / s |
|
Stroke distance v rad / H 0 |
(296 ± 21) x 10 6 ly (90.8 ± 6.4) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 29, 1893 |
| Catalog names | |
| IC 231 • UGC 01978 • PGC 009514 • CGCG 388-026 • MCG + 00-07-025 • 2MASX J02295638 + 0110441 • GALEX ASC J022956.39 + 011045.8 • LDCE 179 NED001 | |
IC 231 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the celestial equator . It is estimated to be 296 million light years from the Milky Way and about 85,000 light years in diameter .
The galaxies IC 225 , IC 232 , IC 237 are located in the same area of the sky .
The object was discovered by Stéphane Javelle on December 29, 1893 .