IC 1178
Galaxy IC 1178 |
|
---|---|
LEDA 1536659 , IC 1181 (below) & IC 1178, SDSS recording | |
AladinLite | |
Constellation | Hercules |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 16 h 05 m 33.1 s |
declination | + 17 ° 36 ′ 05 ″ |
Appearance | |
Morphological type | S0- |
Brightness (visual) | 14.2 mag |
Brightness (B-band) | 15.2 mag |
Angular expansion | 1 ′ × 0.9 ′ |
Position angle | 36 ° |
Surface brightness | 14.2 mag / arcmin² |
Physical data | |
Affiliation | Abell 2151 WBL 607 |
Redshift | 0.033687 ± 0.000033 |
Radial velocity | 10,099 ± 10 km / s |
Stroke distance v rad / H 0 |
(456 ± 32) · 10 6 ly (139.7 ± 9.8) Mpc |
history | |
discovery | Lewis Swift |
Discovery date | June 3, 1888 |
Catalog names | |
IC 1178 • UGC 10188 • PGC 057062 • CGCG 108-120 NED01 • MCG + 03-41-097 • 2MASX J16053310 + 1736048 • Arp 172 • VV 194a • USGC U741 NED21 |
IC 1178 is an elliptical galaxy of the Hubble type E / S0 in the constellation Hercules in the northern sky . It is estimated to be 456 million light years from the Milky Way and about 135,000 light years in diameter. The galaxy is a member of the Hercules galaxy cluster Abell 2151 and together with IC 1181 forms the galaxy pair Arp 172 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies with diffuse opposing arms .
In the same area of the sky are u. a. the galaxies NGC 6047 , NGC 6050 , IC 1183 , IC 1185 .
The object was discovered by Lewis Swift on June 3, 1888 .
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
Web links
- SIMBAD Astronomical Database
- ARP ATLAS OF PECULIAR GALAXIES
- Seligman Arp
- Spectrum .de: Labeled surrounding image