IC 204

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Galaxy
IC 204
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SDSS image from IC 204
SDSS image from IC 204
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 07 m 27.1 s
declination -01 ° 25 ′ 49 ″
Appearance
Morphological type E3  
Brightness  (visual) 14.7 mag
Brightness  (B-band) 15.7 mag
Angular expansion 0.3 ′ × 0.2 ′
Position angle 170 °
Surface brightness 11.7 mag / arcmin²
Physical data
Redshift 0.039577 +/- 0.000150  
Radial velocity 11865 +/- 45 km / s  
Stroke distance
v rad  / H 0
(531 ± 37)  ·  10 6  Lj
(162.9 ± 11.4)  Mpc 
history
discovery Truman Safford
Discovery date October 22, 1867
Catalog names
IC  204 • PGC  8100 • CGCG  387-039 • 2MASX  J02072707-0125482 • GALEX ASC J020727.07-012547.2 • LEDA 8100

IC 204 is an elliptical galaxy of Hubble type E3 in the constellation Cetus south of the celestial equator . It is around 531 million light years away from the Milky Way and has a diameter of around 45,000 ly.
In the same area of ​​the sky are the galaxies NGC 850 , IC 205 , IC 1781 , among others .

The object was discovered by Truman Henry Safford on October 22, 1867 .

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 204
  3. Seligman

Attention: The sorting key “IC 0204” overwrites the previously used key “IC0204”.