IC 868
| Galaxy IC 868 |
|
|---|---|
|
|
| SDSS image of IC 868 & PGC 1632104 (above) and IC 870 (lu) | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 17 m 16.7 s |
| declination | + 20 ° 41 ′ 28 ″ |
| Appearance | |
| Morphological type | E / RET |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.50 ′ × 0.5 ′ |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.022225 +/- 0.000127 |
| Radial velocity | 6663 +/- 38 km / s |
|
Stroke distance v rad / H 0 |
(298 ± 21) x 10 6 ly (91.3 ± 6.4) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | April 22, 1889 |
| Catalog names | |
| IC 868 • PGC 46281 • CGCG 130-028 • MCG + 04-31-021 • 2MASX J13172854 + 2036443 • | |
IC 868 is an elliptical galaxy of Hubble type E in the constellation Coma Berenices the northern sky . It is estimated to be 298 million light years from the Milky Way .
The object was discovered by Lewis Swift on April 22, 1889 .