IC 2231
| Galaxy IC 2231 |
|
|---|---|
![IC 2231 with LEDA 213457 (u) [1]](https://de.wikipedia.org/wiki/Datei:IC2231_-_SDSS_DR14.jpg)
|
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| IC 2231 with LEDA 213457 (u) | |
| AladinLite | |
| Constellation | Small dog |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 11 m 01.6 s |
| declination | + 05 ° 05 ′ 14 ″ |
| Appearance | |
| Morphological type | E: |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1 ′ × 1 ′ |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.030398 ± 0.000217 |
| Radial velocity | 9113 ± 65 km / s |
|
Stroke distance v rad / H 0 |
(401 ± 28) x 10 6 ly (123.0 ± 8.7) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | March 23, 1895 |
| Catalog names | |
| IC 2231 • UGC 4265 • PGC 22950 • CGCG CGCG 031-066 N01 • 2MASX J08110158 + 050514 • NSA 134905 • USGC U168 NED01 | |
IC 2231 is an elliptical galaxy of Hubble type E0 in the constellation Canis Minor south of the ecliptic . It is estimated to be 401 million light years from the Milky Way and about 120,000 light years in diameter.
In the same area of the sky is u. a. the galaxy IC 498 .
The object was discovered by Lewis Swift on March 23, 1895 .