Arp 322
| Galaxy Arp 322 |
|
|---|---|
|
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 32 m 39.6 s |
| declination | + 52 ° 56 ′ 25 ″ |
| Appearance | |
| Brightness (visual) | 14.7 mag |
| Angular expansion | 2.1 |
| Physical data | |
| Redshift | 0.027000 |
| Radial velocity | 8094 km / s |
|
Stroke distance v rad / H 0 |
(365 ± 25) x 10 6 ly (111.8 ± 7.8) Mpc |
| history | |
| Catalog names | |
| UGC 6527 • PGC 35609/15/18/20 • CGCG 268-049 • MCG + 09-19-111 • Arp 322 • HCG 56 BE • VV 150a • I Zw 027 | |
Arp 322 is an interacting group of galaxies in the constellation Great Bear , an estimated 365 million light years from the Milky Way . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This group of galaxies belongs to the class chains of galaxies .
| designation |
α J2000.0 |
δ J2000.0 |
Morphological type | m V | Angular expansion | Distance ( million years ) |
|---|---|---|---|---|---|---|
| HCG 56B | 11 h 32 m 40.2 s | + 52 ° 57 ′ 01 ″ | SB0; Sy1 / Sy2 | 14.7 | 1 ′, 1 × 0 ′, 6 | 357 |
| HCG 56C | 11 h 32 m 36.7 s | + 52 ° 56 ′ 52 ″ | (R ') S0 / A pec: Sy2 | 15.8 | 0 ′, 7 × 0 ′, 4 | 365 |
| HCG 56D | 11 h 32 m 35.3 s | + 52 ° 56 ′ 50 ″ | SA (s) 0 / a pec: Sy2 | 16.8 | 0 ′, 4 × 0 ′, 3 | 376 |
| HCG 56E | 11 h 32 m 32.8 s | + 52 ° 56 ′ 21 ″ | SB0 pec: / HII? | 16.5 | 0 ′, 4 × 0 ′, 3 | 360 |
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