IC 831
| Galaxy IC 831 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 52 m 44.1 s |
| declination | + 26 ° 28 ′ 13 ″ |
| Appearance | |
| Morphological type | E / S0: |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.70 × 0.3 |
| Position angle | 95 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.021405 ± 0.000107 |
| Radial velocity | 6417 ± 32 km / s |
|
Stroke distance v rad / H 0 |
(287 ± 20) x 10 6 ly (88 ± 6.2) Mpc |
| history | |
| discovery | Rudolf Spitaler |
| Discovery date | February 25, 1892 |
| Catalog names | |
| IC 831 • PGC 43708 • CGCG 159-100 • MCG + 05-30-113 • 2MASX J12524408 + 2628135 • LDCE 926 NED012 | |
IC 831 is an elliptical galaxy of the Hubble type E / S0 in the constellation Coma Berenices in the northern sky . It is estimated to be 287 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 4747 , NGC 4787 , NGC 4789 , IC 832 .
The object was discovered by Rudolf Spitaler on February 25, 1892 .