NGC 4189

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Galaxy
NGC 4189 = IC 3050
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NGC 4189 & LEDA 39022 [1] (u)
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 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f g SEDS : NGC 4189
  4. ^ VizieR
  5. ↑ Simbad
  6. ↑ Seligman