IC 870
| Galaxy IC 870 |
|
|---|---|
|
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| SDSS image from IC 870, IC 868 & PGC 1632104 (or) | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 17 m 30.9 s |
| declination | + 20 ° 36 '00 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.7 ′ × 0.4 ′ |
| Position angle | 45 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.021882 +/- 0.000053 |
| Radial velocity | (6560 +/- 16) km / s |
|
Stroke distance v rad / H 0 |
(293 ± 21) x 10 6 ly (89.9 ± 6.3) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | April 22, 1889 |
| Catalog names | |
| IC 870 • PGC 46286 • CGCG 130-029 • MCG + 04-31-022 • IRAS 13150 + 2051 • 2MASX J13173089 + 2036003 • USGC U525 NED01 | |
IC 870 is a spiral galaxy of Hubble type Sc in the constellation Coma Berenices the northern sky . It is estimated to be 293 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 IC 864 , IC 866 , IC 867 , IC 868 .
The object was discovered by Lewis Swift on April 22, 1889 .