Arp 252
| Galaxy Arp 252 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 44 m 59.0 s |
| declination | -19 ° 43 ′ 08 ″ |
| Appearance | |
| Brightness (visual) | 15.3 mag |
| Angular expansion | 2.4 ′ × 0.8 ′ |
| Physical data | |
| Redshift | 0.032559 ± 0.000123 |
| Radial velocity | (9761 ± 37) km / s |
|
Stroke distance v rad / H 0 |
(427 ± 30) · 10 6 ly (131 ± 9.2) Mpc |
| history | |
| Catalog names | |
| PGC 27928/9 • ESO 566-IG 008/007 • MCG -3-25-19 • IRAS 09426-1928 • Arp 252 • | |
Arp 252 is an interacting pair of galaxies in the constellation Aquarius. It is estimated to be 430 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 galaxies showing signs of splitting .
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