Arp 253
| Galaxy Arp 253 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | sextant |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 43 m 25 s |
| declination | -05 ° 16 ′ 52 ″ |
| Appearance | |
| Brightness (visual) | 15 likes |
| Angular expansion | 2.4 ′ × 0.4 ′ |
| Physical data | |
| Affiliation | LGG 179 |
| Redshift | 0.006280 ± 0.000019 |
| Radial velocity | (1883 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(77 ± 5) · 10 6 ly (23.5 ± 1.6) Mpc |
| history | |
| Catalog names | |
| UGCA 173/174 • PGC 27817/27828 • MCG -01-25-31 / 32 • IRAS F09408-0503 • Arp 253 • VV 52 • | |
Arp 253 is an interacting pair of galaxies in the constellation Sextant. It is estimated to be 77 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