IC 842
| Galaxy IC 842 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 00 m 39.5 s |
| declination | + 29 ° 01 ′ 10 ″ |
| Appearance | |
| Morphological type | Sb |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.20 ′ × 0.6 ′ |
| Position angle | 57 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation |
Abell 1656 WBL 426-105 |
| Redshift | 0.024313 ± 0.000013 |
| Radial velocity | 7289 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(326 ± 23) x 10 6 ly (100.1 ± 7.0) Mpc |
| history | |
| discovery | Truman H. Safford |
| Discovery date | May 3, 1866 |
| Catalog names | |
| IC 842 • UGC 8118 • PGC 44795 • CGCG 160-088 • MCG + 05-31-087 • IRAS F12582 + 2916 • 2MASX J13003953 + 2901096 • GALEX ASC J130039.65 + 290109.3 • LDCE 926 NED054 | |
IC 842 is a bar-spiral galaxy of the Hubble type SBc in the constellation Coma Berenices in the northern sky . It is an estimated 326 million light-years from the Milky Way and has a diameter of about 115,000 ly. The galaxy is a member of the Coma galaxy cluster Abell 1656 .
The galaxies IC 843 , IC 3991 , IC 4032 , IC 4088 are located in the same area of the sky .
The object was discovered by Truman Henry Safford on May 3, 1866 .