IC 4842

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Galaxy
IC 4842
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AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 19 h 19 m 24.5 s
declination -60 ° 38 ′ 39 ″
Appearance
Morphological type E:  
Brightness  (visual) 12.4 mag
Brightness  (B-band) 13.4 mag
Angular expansion 1.50 'x 0.8'
Position angle 20 °
Surface brightness 12.7 mag / arcmin²
Physical data
Affiliation NGC 6769 group
IC 4845 group
LGG 427  
Redshift 0.013506 ± 0.000057  
Radial velocity 4049 ± 17 km / s  
Stroke distance
v rad  / H 0
(177 ± 12)  ·  10 6  ly
(54.4 ± 3.8)  Mpc 
history
discovery DeLisle Stewart
Discovery date August 13, 1901
Catalog names
IC  4842 • PGC  63065 • ESO  141-052 • 2MASX  J19192446-6038392 • SGC  191458-6044.2 • GALEX ASC J191924.61-603838.3 • 2MASS J19192446-6038393 • LDCE 1323 NED082

IC 4842 is an elliptical galaxy of the Hubble type E5 in the constellation Peacock in the southern sky . It is around 177 million light years away from the Milky Way and has a diameter of around 80,000 light years . The galaxy is considered a member of the IC 4845 group ( LGG 427 ).

In the same area of ​​the sky are u. a. the galaxies NGC 6769 , NGC 6770 , NGC 6771 , IC 4845 .

The object was discovered by DeLisle Stewart on August 13, 1901 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 4842
  3. ^ VizieR
  4. Seligman