IC 2338
| Galaxy IC 2338 |
|
|---|---|
|
|
| SDSS image of Arp 247 | |
| AladinLite | |
| Constellation | cancer |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 23 m 32.7 s |
| declination | + 21 ° 20 ′ 17 ″ |
| Appearance | |
| Morphological type | SAB (s) cd / pec |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 0.5 ′ × 0.4 ′ |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.018012 ± 0.000037 |
| Radial velocity | 5400 ± 11 km / s |
|
Stroke distance v rad / H 0 |
(238 ± 17) x 10 6 ly (72.9 ± 5.1) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 2, 1896 |
| Catalog names | |
| IC 2338 • UGC 4383 • PGC 23546 • CGCG 119-080 • MCG + 04-20-044 • 2MASX J08233267 + 2120174 • Arp 247 • GALEX ASC J082332.63 + 212017.2 • KPG 161A | |
IC 2338 is a barred spiral galaxy of the Hubble type SBc in the constellation Cancer on the ecliptic . It is an estimated 238 million light years from the Milky Way and about 35,000 light years in diameter.
Together with IC 2339 , it forms the isolated pair of galaxies Arp 247 or KPG 161 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies showing signs of splitting .
In the same area of the sky are the galaxies NGC 2563 , NGC 2569 , NGC 2570 , IC 2341 .
The object was by on March 2, 1896 Stéphane Javelle entdeckt.'
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