NGC 909

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Galaxy
NGC 909
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NGC 0909 DSS.jpg
AladinLite
Constellation Andromeda
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 25 m 22.8 s
declination + 42 ° 02 ′ 08 ″
Appearance
Morphological type E.  
Brightness  (visual) 13.7 mag
Brightness  (B-band) 14.7 mag
Angular expansion 0.9 ′ × 0.9 ′
Surface brightness 13.5 mag / arcmin²
Physical data
Affiliation NGC 891 group  
Redshift 0.016605 +/- 0.000040  
Radial velocity 4978 +/- 12 km / s  
Stroke distance
v rad  / H 0
(228 ± 16)  x  10 6  ly
(70.0 ± 4.9)  Mpc 
history
discovery Édouard Stephan
Discovery date October 30, 1878
Catalog names
NGC  909 • UGC  1872 • PGC  9197 • CGCG  539-016 • MCG  + 07-06-013 • 2MASX  J02252279 + 4202074 • LEDA 9197 • LDCE 224 NED018

NGC 909 is an elliptical galaxy from the Hubble type E0 in the constellation Andromeda the northern sky . It is estimated 228 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of ​​the sky are the galaxies NGC 906 , NGC 910 , NGC 911 , NGC 914 .

The object was discovered on October 30, 1878 by Édouard Stephan .

Web links

Commons : NGC 909  - 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 909
  3. Seligman