NGC 903

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Galaxy
NGC 903
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SDSS recording
SDSS recording
AladinLite
Constellation Aries
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 24 m 00.9 s
declination + 27 ° 21 ′ 23 ″
Appearance
Morphological type S0  
Brightness  (visual) 15.7 mag
Brightness  (B-band) 16.7 mag
Angular expansion 0.5 ′ × 0.3 ′
Position angle 175 °
Surface brightness 13.5 mag / arcmin²
Physical data
Redshift 0.016818 ± 0.000067  
Radial velocity (5042 ± 20) km / s  
Stroke distance
v rad  / H 0
(230 ± 16)  x  10 6  ly
(70.4 ± 4.9)  Mpc 
history
discovery Edouard Stephan
Discovery date December 13, 1884
Catalog names
NGC  903 • UGC  1852 NOTES01 • PGC  9097 • 2MASX  J02240089 + 2721229 • LEDA 9097 • GALEX ASC J022400.85 + 272124.2

NGC 903 is a lenticular galaxy of the Hubble type S0 in the constellation Aries north of the ecliptic . It is estimated to be 230 million light-years away from the Milky Way and has a diameter of about 35,000 ly. a. the galaxies NGC 904 , NGC 915 , NGC 916 , NGC 919 .

The object was on 13 December 1884 by the astronomer Edouard Stephan using a 80-cm - telescope discovered.

Web links

Commons : NGC 903  - collection of images, videos, and audio files

Individual evidence

  1. a b c NASA / IPAC Extragalactic Database
  2. a b c d e f SEDS : NGC 903
  3. Seligman