IC 2023

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Galaxy
IC 2023
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AladinLite
Constellation Swordfish
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 03 h 59 m 40.6 s
declination -52 ° 40 ′ 52 ″
Appearance
Morphological type SB0?  
Brightness  (visual) 15.1 mag
Brightness  (B-band) 15.9 mag
Angular expansion 0.50 x 0.4
Surface brightness 13.2 mag / arcmin²
Physical data
Redshift 0.032676 ± 0.000023  
Radial velocity 9796 ± 7 km / s  
Stroke distance
v rad  / H 0
(431 ± 30)  ·  10 6  Lj
(132.0 ± 9.2)  Mpc 
history
discovery DeLisle Stewart
Discovery date December 7, 1899
Catalog names
IC  2023 • PGC  14238 • ESO  035823-5249.3 • 2MASX  J03594064-5240523 • GALEX ASC J035940.46-524052.1

IC 2023 is a lenticular galaxy of the Hubble type SB0 in the constellation Dorado in the southern sky . It is an estimated 431 million light years away from the Milky Way and has a diameter of around 65,000 ly.
In the same area of ​​the sky are the galaxies NGC 1506 , IC 2021 , IC 2025 , IC 2028 .

The object was discovered by DeLisle Stewart on December 7, 1899 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d SEDS : IC 2023
  3. Seligman