IC 4231
| Galaxy IC 4231 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 23 m 13.38 s |
| declination | -26 ° 18 ′ 01.4 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.70 'x 0.4' |
| Position angle | 32 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 5061 group LGG 341 |
| Redshift | 0.007542 ± 0.000033 |
| Radial velocity | 2261 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(95 ± 7) x 10 6 ly (29.2 ± 2.0) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | May 4, 1904 |
| Catalog names | |
| IC 4231 • PGC 46768 • ESO 508-060 • MCG -04-32-009 • 2MASX J13231382-2617531 • SGC 132028-2602.4 • LDCE 964 NED012 • WISEA J132313.47-261801.0 | |
IC 4231 is a spiral galaxy of Hubble type Sbc in the constellation Hydra south of the ecliptic . It is estimated to be 95 million light years from the Milky Way and about 50,000 light years in diameter. Together with nine other galaxies, it forms the NGC 5061 group ( LGG 341 ).
In the same area of the sky are u. a. the galaxies IC 4232 , IC 4245 , IC 4246 .
The object was discovered by Royal Harwood Frost on May 4, 1904 .