Arp 180
| Galaxy Arp 180 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 53 m 24.3 s |
| declination | -04 ° 47 ′ 37 ″ |
| Appearance | |
| Brightness (visual) | 14.8 mag |
| Angular expansion | 1.1 ′ × 0.5 ′ |
| Physical data | |
| Redshift | 0.014106 ± 0.000083 |
| Radial velocity | (4229 ± 25) km / s |
|
Stroke distance v rad / H 0 |
(185 ± 13) x 10 6 ly (56.7 ± 4.0) Mpc |
| history | |
| Catalog names | |
| PGC 16261 • MCG -01-13-034 • Arp 180 • VV 822 • | |
Arp 180 is an interacting pair of galaxies in the constellation of Eridanus . Since the galaxy has two rambling arms , it is believed that it is most likely the result of the merging of two galaxies. Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of narrow filament galaxies .
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