IC 4980

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Galaxy
IC 4980
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AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 20 h 15 m 28.9 s
declination -57 ° 54 ′ 46 ″
Appearance
Morphological type SB (rs) a / HII  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.2 mag
Angular expansion 1.50 'x 0.7'
Position angle 122 °
Surface brightness 13.2 mag / arcmin²
Physical data
Affiliation isolated  
Redshift 0.015127 ± 0.000097  
Radial velocity 4535 ± 29 km / s  
Stroke distance
v rad  / H 0
(200 ± 14)  x  10 6  ly
(61.2 ± 4.3)  Mpc 
history
discovery DeLisle Stewart
Discovery date October 3, 1901
Catalog names
IC  4980 • PGC  64367 • ESO  143-018 • IRAS  20114-5803 • 2MASX  J20152893-5754455 • SGC  201125-5803.9 • 2MIG 2766

IC 4980 is a lenticular galaxy with extensive star formation regions of the Hubble type SB0 / a in the constellation Peacock in the southern sky . It is an estimated 200 million light years from the Milky Way and about 90,000 light years in diameter.
The galaxy IC 4973 is located in the same area of ​​the sky .

The object was discovered by DeLisle Stewart on October 3, 1901 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 4980
  3. Seligman