IC 231
Galaxy IC 231 |
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SDSS recording | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .