NGC 185

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Galaxy
NGC 185
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NGC 0185 2MASS.jpg
2MASS recording
AladinLite
Constellation Cassiopeia
Position
equinox :  J2000.0 , epoch : J2000.0
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

Individual evidence

  1. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c d e f SEDS : NGC 185
  3. ↑ Seligman