IC 813
| Galaxy IC 813 |
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|---|---|
![IC 813 & IC 3734 [1]](https://de.wikipedia.org/wiki/Datei:IC813_-_SDSS_DR14.jpg)
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| IC 813 & IC 3734 | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 45 m 11.840 s |
| declination | + 23 ° 02 ′ 10.06 ″ |
| Appearance | |
| Morphological type | Sab / LINER |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 0.90 × 0.8 |
| Position angle | 36 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.023263 ± 0.000023 |
| Radial velocity | 6974 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(311 ± 22) x 10 6 ly (95.4 ± 6.7) Mpc |
| history | |
| discovery | Rudolf Spitaler |
| Discovery date | April 6, 1891 |
| Catalog names | |
| IC 813 • UGC 7928 • PGC 42981 • CGCG 129-022 NED01 • MCG + 04-30-019 NED01 • 2MASX J12451185 + 230210 • 2MASS J12451184 + 2302098 • WISEA J124511.84 + 230209.5 • NSA 142191 | |
IC 813 is a spiral galaxy with an active nucleus of the Hubble type Sbc in the constellation Coma Berenices in the northern sky . It is estimated to be 311 million light years from the Milky Way and about 85,000 light years in diameter. Together with IC 3734 , it forms an interacting pair of galaxies.
The galaxies IC 3679 , IC 3691 , IC 3776 , IC 3781 are located in the same area of the sky .
The object was discovered by Rudolf Spitaler on April 6, 1891 .