NGC 1888
| Galaxy NGC 1888 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hare |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 22 m 34.4 s |
| declination | -11 ° 29 ′ 58 ″ |
| Appearance | |
| Morphological type | SB (s) c pec |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 3 ′ × 0.8 ′ |
| Position angle | 145 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.008112 ± 0.000017 |
| Radial velocity | (2432 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(103 ± 7) · 10 6 ly (31.6 ± 2.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 31, 1785 |
| Catalog names | |
| NGC 1888 • PGC 17195 • MCG -02-14-013 • IRAS 05202-1132 • 2MASX J05223444-1129583 • Arp 123 • GC 1096 • H II 289 • h 352/2806 • | |
NGC 1888 is a bar-spiral galaxy of the Hubble type SBc / P in the constellation Rabbit north of the ecliptic . It is estimated to be 103 million light years from the Milky Way . Together with NGC 1889 , it forms the galaxy pair Arp 123 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of elliptical galaxies close to spiral galaxies and disturbing them (Arp catalog) .
The object was discovered by Wilhelm Herschel on January 31, 1785 .
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