NGC 4389

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Galaxy
NGC 4389
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NGC 4389 with LEDA 2269189 (o) [1]
NGC 4389 with LEDA 2269189 (o)
AladinLite
Constellation Hunting dogs
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 25 m 35.10 s
declination + 45 ° 41 ′ 04.8 ″
Appearance
Morphological type SB (rs) bc / pec: / HII  
Brightness  (visual) 12 likes
Brightness  (B-band) 12.8 mag
Angular expansion 2.6 ′ × 1.3 ′
Position angle 105 °
Surface brightness 13.2 mag / arcmin²
Physical data
Affiliation UMa South Group
NGC 4051-Group
LGG 269  
Redshift 0.002396 ± 0.000004  
Radial velocity 718 ± 1 km / s  
Stroke distance
v rad  / H 0 		(35 ± 2)  x  10 6  ly
(10.62 ± 0.74)  Mpc 
diameter 40,000 ly
history
discovery Wilhelm Herschel
Discovery date April 10, 1788
Catalog names
NGC  4389 • UGC  7514 • PGC  40537 • CGCG  244-014 • MCG  + 08-23-028 • 2MASX  J12253509 + 4541048 • GC  2950 • H  II 749 • h  1245 • GALEX ASC J122535.06 + 454104.5 • LDCE 867 NED110

NGC 4389 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBbc / P in the constellation Canes Venatici in the northern sky . It is estimated to be 35 million light years from the Milky Way and about 25,000 light years in diameter . The galaxy is part of the Ursa Major Galaxy Cluster and a member of the NGC 4051 group ( LGG 269 ).

In the same area of ​​the sky is u. a. the galaxy NGC 4392 .

The object was discovered by Wilhelm Herschel on April 10, 1788 .

Web links

Commons : NGC 4389  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 4389
  4. ^ VizieR
  5. ^ Richard Powell: The Ursa Major Groups. In: An Atlas of the Universe. July 30, 2006, accessed June 28, 2008 .
  6. ↑ Seligman