NGC 823

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Galaxy
NGC 823 / IC 1782
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NGC 823 [1]
NGC 823
AladinLite
Constellation Chemical furnace
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 02 h 07 m 20.05 s
declination -25 ° 26 ′ 30.8 ″
Appearance
Morphological type E / S0  
Brightness  (visual) 12.8 mag
Brightness  (B-band) 13.8 mag
Angular expansion 1.7 ′ × 1.3 ′
Position angle 102 °
Surface brightness 13.7 mag / arcmin²
Physical data
Redshift 0.014780 ± 0.000077  
Radial velocity 4431 ± 23 km / s  
Stroke distance
v rad  / H 0 		(196 ± 14)  ·  10 6  ly
(60.1 ± 4.2)  Mpc 
history
discovery John Herschel
Discovery date October 14, 1830
Catalog names
NGC  823 • IC  1782 • PGC  8093 • ESO  478-002 • MCG  -04-06-005 • IRAS  02050-2540 • 2MASX  J02072004-2526305 • SGC  020503-2540.8 • GALEXASC J020720.09-252631.0 • LDCE 127 NED005 • NVSS J020719 -252635

NGC 823 = IC 1782 is an elliptical galaxy of the Hubble type E / S0 in the constellation Fornax in the southern sky . It is estimated to be 196 million light years from the Milky Way and about 100,000 light years in diameter.

The object was discovered on October 14, 1830 by the astronomer John Herschel .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 823
  4. ↑ Seligman