IC 841
Galaxy IC 841 |
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SDSS recording | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .