IC 4042
| Galaxy IC 4042 |
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|---|---|
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| Image of a section of the Coma cluster using the Hubble space telescope . The galaxies IC 4041, IC 4042 and PGC 44809 (from left to 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 0 m 42.8 s |
| declination | + 27 ° 58 ′ 17 ″ |
| Appearance | |
| Morphological type | SA0 / a / AGN |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.50 × 0.5 |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1656 |
| Redshift | 0.021321 +/- 0.000027 |
| Radial velocity | 6392 +/- 8 km / s |
|
Stroke distance v rad / H 0 |
(286 ± 20) x 10 6 ly (87.8 ± 6.1) Mpc |
| history | |
| discovery | Hermann Kobold |
| Discovery date | May 9, 1896 |
| Catalog names | |
| IC 4042 • PGC 44808 • CGCG 160-255 • 2MASX J13004277 + 2758166 • 2XMM J130042.6 + 275817 | |
IC 4042 is an elliptical galaxy with an active nucleus of the Hubble type SB0 in the constellation Coma Berenices in the northern sky . It is estimated to be 286 million light-years from the Milky Way , about 40,000 ly in diameter, and a member of the Coma Galaxy Cluster .
The galaxies NGC 4906 , IC 4030 , IC 4041 , IC 4044 are located in the same area of the sky .
The object was discovered by Hermann Kobold on May 9, 1896 .