NGC 185
Galaxy NGC 185 |
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2MASS recording | |
AladinLite | |
Constellation | Cassiopeia |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 00 h 38 m 58.0 s |
declination | + 48 ° 20 ′ 15 ″ |
Appearance | |
Morphological type | dSph / dE3 / LINER / Sy2 |
Brightness (visual) | 9.3 mag |
Brightness (B-band) | 10.3 mag |
Angular expansion | 8 ′, 0 × 7 ′, 0 |
Position angle | 35 ° |
Surface brightness | 13.7 mag / arcmin² |
Physical data | |
Affiliation |
Local group Andromeda subgroup Messier 31 group LGG 11 |
Redshift | −0.000674 ± 0.000010 |
Radial velocity | −202 ± 3 km / s |
distance | 2.3 million ly / 0.71 million pc |
Absolute brightness | −15.8 mag |
diameter | 9700 ly |
history | |
discovery | Wilhelm Herschel |
Discovery date | November 30, 1787 |
Catalog names | |
NGC 185 • UGC 396 • PGC 2329 • CGCG 550-009 • MCG + 08-02-010 • IRAS 00362 + 4803 • 2MASX J00385796 + 4820145 • GC 90 • H II-707 • h 35 • LDCE 31 NED004 |
NGC 185 is an elliptical dwarf galaxy with an active core in the Local Group and is an estimated 2.3 million light years from the Milky Way . It is a companion galaxy to the Andromeda Nebula and, together with NGC 147, forms a gravitationally bound galaxy pair.
The object was discovered by Wilhelm Herschel on November 30, 1787 .
Web links
Commons : NGC 185 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Companion galaxies of Andromeda
- Local group ( Memento from January 25, 2008 in the Internet Archive )