IC 841
| Galaxy IC 841 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 59 m 47.3 s |
| declination | + 21 ° 48 ′ 48 ″ |
| Appearance | |
| Morphological type | Sb / AGN |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.90 × 0.3 |
| Position angle | 145 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.023870 +/- 0.000057 |
| Radial velocity | 7156 +/- 17 km / s |
|
Stroke distance v rad / H 0 |
(319 ± 23) x 10 6 ly (97.9 ± 6.9) Mpc |
| history | |
| discovery | Herbert Couper Wilson |
| Discovery date | February 24, 1892 |
| Catalog names | |
| IC 841 • PGC 44665 • CGCG 130-003 • MCG + 04-31-002 • IRAS 12573 + 2204 • 2MASX J12594731 + 2148470 • | |
IC 841 is a spiral galaxy with an active nucleus of the Hubble type Sab in the constellation Coma Berenices in the northern sky . It is estimated to be 319 million light years away from the Milky Way and has a diameter of around 90,000 ly.
In the same area of the sky are the galaxies NGC 4826 , IC 4014 , IC 4017 , IC 4039 .
The object was discovered on February 24, 1892 by Herbert Couper Wilson .