NGC 4189
Galaxy NGC 4189 = IC 3050 |
|
---|---|
NGC 4189 & LEDA 39022 (u) | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 12 h 13 m 47.3 s |
declination | + 13 ° 25 ′ 29 ″ |
Appearance | |
Morphological type | SAB (rs) cd? / HII |
Brightness (visual) | 11.8 mag |
Brightness (B-band) | 12.5 mag |
Angular expansion | 2.50 ′ × 1.7 ′ |
Position angle | 85 ° |
Surface brightness | 13.2 mag / arcmin² |
Physical data | |
Affiliation | Virgo cluster NGC 4168 group LGG 285 |
Redshift | 0.007055 ± 0.000007 |
Radial velocity | 2115 ± 2 km / s |
Stroke distance v rad / H 0 |
(92 ± 7) x 10 6 ly (28.2 ± 2.0) Mpc |
history | |
discovery | William Herschel |
Discovery date | April 8, 1784 |
Catalog names | |
NGC 4189 • IC 3050 • UGC 7235 • PGC 39025 • CGCG 069-092 • MCG + 02-31-054 • IRAS 12112 + 1342 • KUG 1211 + 137 • 2MASX J12134727 + 1325294 • VCC 89 • GC 2783 • H II 106 • h 1131 • HIPASS J1213 + 13b • LDCE 904 NED012 • EVCC 186 |
NGC 4189 = IC 3050 is a bar-spiral galaxy with extensive star formation areas of the Hubble type SBc in the constellation Coma Berenices in the northern sky . It is estimated to be 92 million light years from the Milky Way and about 70,000 light years in diameter . Under the catalog designation VCC 89 it is considered a member of the Virgo galaxy cluster .
In the same area of the sky are u. a. the galaxies NGC 4193 , IC 3054 , IC 3059 , IC 3062 .
The Type II supernova SN 1966E was observed here.
The object was discovered by Wilhelm Herschel on April 8, 1784 .