NGC 2830
Galaxy NGC 2830 |
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Arp 315, from left to right: NGC 2832, NGC2831 and NGC 2830, SDSS | |
AladinLite | |
Constellation | lynx |
Position equinox : J2000.0 , epoch : J2000.0 |
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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