UGC 1840
Galaxy Arp 145 / UGC 1840 |
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AladinLite | |
Constellation | Andromeda |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 23 m 08.4 s |
declination | + 41 ° 22 ′ 20 ″ |
Appearance | |
Morphological type | DBL SYS (Peculiar ... loop) |
Brightness (visual) | 13.8 mag |
Angular expansion | 1.5 ′ × 1.3 ′ |
Physical data | |
Redshift | 0.018096 ± 0.000033 |
Radial velocity | (5425 ± 10) km / s |
Stroke distance v rad / H 0 |
(248 ± 17) · 10 6 ly (76.1 ± 5.3) Mpc |
history | |
Catalog names | |
UGC 1840 • PGC 9060/62 • CGCG 538-056 / 539-002 • MCG + 07-06-002 • Arp 145 • V Zw 229 |
Arp 145 / UGC 1840 is an interacting pair of galaxies in the constellation Andromeda , which is approximately 248 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 with emanating material (Arp catalog) .
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