NGC 2830
| Galaxy NGC 2830 |
|
|---|---|
|
|
| Arp 315, from left to right: NGC 2832, NGC2831 and NGC 2830, SDSS | |
| AladinLite | |
| Constellation | lynx |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 19 m 41.4 s |
| declination | + 33 ° 44 ′ 17 ″ |
| Appearance | |
| Morphological type | SB0 / a: / sp / Sy2 |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.2 ′ × 0.3 ′ |
| Position angle | 112 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 779 |
| Redshift | 0.020367 ± 0.000008 |
| Radial velocity | (6106 ± 2) km / s |
|
Stroke distance v rad / H 0 |
(271 ± 19) x 10 6 ly (83.2 ± 5.8) Mpc |
| history | |
| discovery | George Stoney |
| Discovery date | March 13, 1850 |
| Catalog names | |
| NGC 2830 • UGC 4941 • PGC 26371 • CGCG 181-023 • MCG + 06-21-014 • 2MASX J09194142 + 3344170 • HOLM 123B • LDCE 627 NED003 | |
NGC 2830 is a lenticular galaxy with an active nucleus of the Hubble type SB0 / a in the constellation of the lynx in the northern sky . It is estimated to be 271 million light years away from the Milky Way and has a diameter of around 95,000 ly. Together with NGC 2831 and NGC 2832 , it forms the optical galaxy trio Arp 315 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy triplet belongs to the class of galaxy groups .
The object was discovered on March 13, 1850 by George Johnstone Stoney .
Web links
Commons : NGC 2830 - collection of images, videos, and audio files
literature
- Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide , Richmond 2006, ISBN 978-0-943396-76-7