Arp 108
| Galaxy Arp 108 |
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|---|---|
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| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 03 h 03 m 06.2 s |
| declination | -22 ° 12 ′ 40 ″ |
| Appearance | |
| Morphological type | S0 + Sc? |
| Brightness (B-band) | B: 14 likes A: 16 likes |
| Angular expansion | A: 0.8 '× 0.5' B: 1.4 '× 1' |
| Physical data | |
| Redshift | A: 0.066429 ± 0.000103 B: 0.051612 ± 0.000133 |
| Radial velocity | A: (19915 ± 31) km / s B: (15473 ± 40) km / s |
| history | |
| Catalog names | |
| PGC 11491/11493 • ESO 547- G002 / 3 • MCG -04-08-017 / 18 • Arp 108 • VV 346 • | |
Arp 108 denotes two interacting galaxies in the constellation Eridanus, which are approximately 800 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 elliptical galaxies connected to spirals .
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