Arp 323
| Galaxy Arp 323 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 54 m 11.0 s |
| declination | + 00 ° 22 ′ 48 ″ |
| Appearance | |
| Brightness (visual) | 14.1 mag |
| Angular expansion | 1.6 |
| Physical data | |
| Redshift | 0.026508 |
| Radial velocity | 7947 km / s |
|
Stroke distance v rad / H 0 |
(360 ± 25) x 10 6 ly (110.4 ± 7.7) Mpc |
| history | |
| Catalog names | |
| NGC 7783 • UGC 12837 • PGC 72803/06/08/10 • CGCG 381-060 • MCG + 00-60-058 / 59/60 • Arp 323 • HCG 98 • VV 208 • | |
Arp 323 = HCG 98 is an interacting group of galaxies in the constellation Pisces, which is an estimated 360 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 ) |
|---|---|---|---|---|---|---|
| NGC 7783 (HCG 98A) | 23 h 54 m 10.1 s | + 0 ° 22 ′ 58 ″ | SB0 | 13.0 | 1 ′, 3 × 0 ′, 6 | 360 |
| HCG 98B | 23 h 54 m 12.1 s | + 0 ° 22 ′ 37 ″ | S0 | 14.4 | 0 ′, 7 × 0 ′, 5 | 361 |
| HCG 98C | 23 h 54 m 13.8 s | + 0 ° 21 ′ 25 ″ | E. | 15.3 | 0 ′, 2 × 0 ′, 2 | 369 |
| HCG 98D | 23 h 54 m 10.6 s | + 0 ° 23 ′ 39 ″ | Sc | 16.1 | 0 ′, 3 × 0 ′, 3 | 673 |
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