IC 843
| Galaxy IC 843 |
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|---|---|
![IC 843 with LEDA 3094866 (top) & LEDA 3094858 (right) [1]](https://de.wikipedia.org/wiki/Datei:IC843_-_SDSS_DR14.jpg)
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| IC 843 with LEDA 3094866 ( top ) & LEDA 3094858 (right) | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 01 m 33.599 s |
| declination | + 29 ° 07 ′ 50.18 ″ |
| Appearance | |
| Morphological type | S0 / LINER |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.10 ′ × 0.6 ′ |
| Position angle | 131 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | Coma cluster Abell 1656 |
| Redshift | 0.024640 ± 0.000083 |
| Radial velocity | 7387 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(331 ± 23) · 10 6 ly (101.4 ± 7.1) Mpc |
| history | |
| discovery | Truman H. Safford |
| Discovery date | May 3, 1866 |
| Catalog names | |
| IC 843 • UGC 8137 • PGC 44908 • CGCG 160-099 • MCG + 05-31-100 • 2MASX J13013361 + 2907497 • GALEX ASC J130133.60 + 290752.2 • LDCE 926 NED064 • WISEA J130133.58 + 290749.9 | |
IC 843 is a lenticular galaxy of the Hubble type S0 with an active galaxy core in the constellation Coma Berenices in the northern sky . It is estimated to be 331 million light years from the Milky Way and about 105,000 light years across. The galaxy is a member of the Coma galaxy cluster Abell 1656 .
In the same area of the sky are u. a. the galaxies NGC 4922 , IC 842 , IC 4032 , IC 4088 .
The object was discovered by Truman Henry Safford on May 3, 1866 .