UGC 4836
| Galaxy Arp 257 / UGC 4836 |
|
|---|---|
|
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| SDSS recording | |
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 51 m 38.0 s |
| declination | -02 ° 21 ′ 37 ″ |
| Appearance | |
| Morphological type | DBL SYS |
| Brightness (visual) | 14.5 mag |
| Angular expansion | 2 ′ × 1 ′ |
| Physical data | |
| Redshift | 0.011081 ± 0.000020 |
| Radial velocity | (3322 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(141 ± 10) · 10 6 ly (43.3 ± 3.0) Mpc |
| history | |
| Catalog names | |
| UGC 4836 • PGC 24889/24890 • CGCG 005-018 • MCG + 00-23-05 / 06 • Arp 257 • VV 41 • KPG 177 | |
Arp 257 = UGC 4836 is an interacting pair of galaxies in the constellation Water Snake. It is estimated to be 141 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 of galaxies with irregular clusters .
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