IC 837
| Galaxy IC 837 |
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|---|---|
![IC 837 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:IC837_-_SDSS_DR14.jpg)
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| IC 837 SDSS image | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 57 m 31.207 s |
| declination | + 26 ° 30 ′ 43.80 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.90 × 0.2 |
| Position angle | 5 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.024117 ± 0.000025 |
| Radial velocity | 7230 ± 7 km / s |
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Stroke distance v rad / H 0 |
(324 ± 23) x 10 6 ly (99.2 ± 6.9) Mpc |
| history | |
| discovery | Rudolf F. Spitaler |
| Discovery date | February 24, 1892 |
| Catalog names | |
| IC 837 • PGC 44322 • CGCG 160-041 • MCG + 05-31-028 • IRAS 12551 + 2646 • 2MASX J12573116 + 2630428 • 2MASS J12573118 + 2630435 • USGC U508 NED101 • WISEA J125731.16 + 263043.2 | |
IC 837 is an elliptical radio galaxy of the Hubble type E / S0 in the constellation Coma Berenices in the northern sky . It is estimated to be 324 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 4821 , NGC 4859 , IC 834 , IC 835 .
The object was discovered by Rudolf Spitaler on February 24, 1892 .