IC 1575
| Galaxy IC 1575 |
|
|---|---|
|
|
| SDSS image from IC 1575 | |
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 43 m 33.3 s |
| declination | -04 ° 07 ′ 04 ″ |
| Appearance | |
| Morphological type | S0 pec |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.2 ′ × 1 ′ |
| Position angle | 45 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.019337 ± 0.000150 |
| Radial velocity | (5797 ± 45) km / s |
|
Stroke distance v rad / H 0 |
(262 ± 19) · 10 6 ly (80.4 ± 5.7) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | September 5, 1896 |
| Catalog names | |
| IC 1575 • PGC 2602 • 2MASX J00433334-0407045 • Arp 231 • VV 642 • | |
IC 1575 = Arp 231 is a lenticular galaxy of the Hubble type S0 pec in the constellation Pisces . It is around 262 million light years away. Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies with concentric rings .
The object was discovered on September 5, 1896 by Lewis Swift .
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