IC 2102
| Galaxy IC 2102 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 51 m 55.3 s |
| declination | -04 ° 57 ′ 06 ″ |
| Appearance | |
| Morphological type | SB (rs) cd |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 1.20 × 0.9 |
| Position angle | 144 ° |
| Surface brightness | 14.5 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 1700 group LGG 123 |
| Redshift | 0.012110 ± 0.000027 |
| Radial velocity | 3630 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(158 ± 11) · 10 6 ly (48.5 ± 3.4) Mpc |
| history | |
| discovery | Isaac Roberts |
| Discovery date | February 17, 1903 |
| Catalog names | |
| IC 2102 • PGC 16197 • MCG -01-13-027 • 2MASX J04515534-0457055 • SDSS J045155.26-045708.1 • HIPASS J0452-04 | |
IC 2102 is a bar-spiral galaxy of the Hubble type SBcd in the constellation Eridanus in the southern sky . It is an estimated 158 million light years from the Milky Way and about 60,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 2095 , IC 2097 , IC 2098 , IC 2099 .
The type II supernova SN 1997aa was observed here.
The object was discovered by Isaac Roberts on February 17, 1903 .