Arp 47
| Galaxy Arp 47 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 47 m 13.6 s |
| declination | + 18 ° 51 ′ 31 ″ |
| Appearance | |
| Brightness (visual) | 15.1 mag |
| Angular expansion | 0.8 ′ × 0.8 ′ |
| Physical data | |
| Redshift | 0.042049 ± 0.000834 |
| Radial velocity | (12606 ± 250) km / s |
|
Stroke distance v rad / H 0 |
(566 ± 41) · 10 6 ly (173.4 ± 12.6) Mpc |
| history | |
| Catalog names | |
| UGC 12665 • PGC 52803 • CGCG 105-026 • MCG + 03-38-14 • Arp 47 • VV 435 • | |
Arp 47 is an interacting pair of galaxies in the Bear Keeper constellation. It is estimated to be 566 million light years from the Milky Way . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class spiral galaxies with a companion of low surface brightness on one arm
Web links
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