NGC 803

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Galaxy
NGC 803
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SDSS recording
SDSS recording
AladinLite
Constellation Aries
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 03 m 44.7 s
declination + 16 ° 01 ′ 51 ″
Appearance
Morphological type SA (s) c: / sp  
Brightness  (visual) 12.5 mag
Brightness  (B-band) 13.2 mag
Angular expansion 3 ′ × 1.3 ′
Position angle 8 °
Surface brightness 13.8 mag / arcmin²
Physical data
Affiliation isolated  
Redshift 0.007008 ± 0.000003  
Radial velocity 2101 ± 1 km / s  
Stroke distance
v rad  / H 0
(98 ± 7)  x  10 6  ly
(29.9 ± 2.1)  Mpc 
history
discovery Wilhelm Herschel
Discovery date October 15, 1784
Catalog names
NGC  803 • UGC  1554 • PGC  7849 • CGCG  461-038 • MCG  + 03-06-28 • IRAS  02010 + 1547 • 2MASX  J02034470 + 1601514 • GC  483 • H  III 208 • h  190 • HIPASS  J0203 + 16

NGC 803 is a spiral galaxy of Hubble type Sc in the constellation Aries on the ecliptic . It is estimated to be 98 million light years away from the Milky Way and has a diameter of around 40,000 ly.
In the same area of ​​the sky there are u. a. the galaxies NGC 786 , NGC 792 , IC 192 , IC 1774 .

The object was discovered on October 15, 1784 by the German-British astronomer Wilhelm Herschel .

Web links

Commons : NGC 803  - collection of images, videos, and audio files
  • Auke Slotegraaf: NGC 803. Deep Sky Observer's Companion, accessed on March 22, 2016 (English).
  • NGC 803. DSO Browser, accessed March 22, 2016 .

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 803
  3. Seligman