UGC 9561
| Galaxy Arp 173 / UGC 9561 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 51 m 28.6 s |
| declination | + 09 ° 19 ′ 42 ″ |
| Appearance | |
| Brightness (visual) | 14.9 mag |
| Angular expansion | 1.6 ′ × 0.6 ′ |
| Physical data | |
| Redshift | 0.029590 ± 0.000083 |
| Radial velocity | (8871 ± 25) km / s |
|
Stroke distance v rad / H 0 |
(398 ± 28) · 10 6 ly (121.9 ± 8.5) Mpc |
| history | |
| Catalog names | |
| UGC 9561 • PGC 53054/53 • CGCG 076-076 • MCG + 02-38-19 / 20 • Arp 173 • VV 296 • | |
Arp 173 = UGC 9561 is an interacting pair of galaxies in the Bear Guardian constellation , located about 400 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 with narrow opposing arms .
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