NGC 4489

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Galaxy
NGC 4489
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SDSS recording
SDSS recording
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 30 m 52.2 s
declination + 16 ° 45 ′ 32 ″
Appearance
Morphological type E1  
Brightness  (visual) 11.9 likes
Brightness  (B-band) 12.9 mag
Angular expansion 1.70 × 1.6
Position angle 165 °
Surface brightness 13.1 mag / arcmin²
Physical data
Affiliation Virgo cluster  
Redshift 0.003206 +/- 0.000017  
Radial velocity 961 +/- 5 km / s  
Stroke distance
v rad  / H 0
(41 ± 3)  ·  10 6  ly
(12.6 ± 0.9)  Mpc 
history
discovery William Herschel
Discovery date March 21, 1784
Catalog names
NGC  4489 • UGC  7655 • PGC  41365 • CGCG  099-073 • MCG  + 03-32-054 • 2MASX  J12305224 + 1645313 • VCC  1321 • GC  3038 • H  II 91 • h  1303 • LDCE 904 NED159

NGC 4489 is an elliptical dwarf galaxy of the Hubble type E1 in the constellation Coma Berenices in the northern sky . It is an estimated 41 million light years away from the Milky Way and has a diameter of about 20,000 ly. The galaxy is listed as a member of the Virgo Galaxy Cluster under catalog number VCC 1321 . The galaxies NGC 4498 , NGC 4502 , IC 796 , IC 3448 are located in the same area of ​​the sky .

The object was discovered by Wilhelm Herschel on March 21, 1784 .

Web links

Commons : NGC 4489  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 4489
  3. Seligman