NGC 1230
| Galaxy NGC 1230 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 08 m 16.4 s |
| declination | -22 ° 59 ′ 02 ″ |
| Appearance | |
| Morphological type | SB0 ^ 0 ^? / pec |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.6 ′ × 0.2 ′ |
| Position angle | 107 ° |
| Surface brightness | 12.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.035975 ± 0.000103 |
| Radial velocity | 10785 ± 31 km / s |
|
Stroke distance v rad / H 0 |
(478 ± 34) · 10 6 ly (146.7 ± 10.3) Mpc |
| history | |
| discovery | Francis Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 1230 • PGC 11743 • ESO 480-034 • MCG -04-08-027 • 2MASX J03081639-2259023 • SGC 030603-2310.5 • Arp 332 NED02 • AM 0306-231 | |
NGC 1230 is a lenticular galaxy of the Hubble type SB0 / P in the constellation Eridanus in the southern sky . It is an estimated 478 million light years from the Milky Way and has a diameter of about 85,000 ly. Together with NGC 1228 , NGC 1229 and IC 1892 , it forms the chain of galaxies Arp 332 . 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 .
The property was discovered by Francis Leavenworth in 1886 .
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