IC 2982

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Galaxy
IC 2982
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IC 2982 [1]
IC 2982
AladinLite
Constellation lion
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 11 h 57 m 51.378 s
declination + 27 ° 52 ′ 07.23 ″
Appearance
Morphological type S0  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.3 mag
Angular expansion 0.50 ′ × 0.3 ′
Position angle 85 °
Surface brightness 12.3 mag / arcmin²
Physical data
Affiliation WBL 367  
Redshift 0.011137 ± 0.000012  
Radial velocity 3339 ± 4 km / s  
Stroke distance
v rad  / H 0 		(148 ± 10)  ·  10 6  ly
(45.5 ± 3.2)  Mpc 
history
discovery Guillaume Bigourdan
Discovery date April 28, 1894
Catalog names
NGC  4004B  • IC  2982 • PGC  37636 • CGCG  157-063 • MCG  + 05-28-059 • 2MASX  J11575134 + 2752072 • GALEX ASC J115751.34 + 275208.3 • HOLM 312B • NSA 102403 • WISEA J115751.38 + 275207.3

IC 2982 (also NGC 4004B ) is an elliptical dwarf galaxy of the Hubble type E / S0 with an active galaxy core in the constellation Leo on the ecliptic . It is estimated to be 148 million light years from the Milky Way and about 20,000 light years across. Together with NGC 4004 , it forms the gravitationally bound galaxy pair Holm 312 .

In the same area of ​​the sky are u. a. the galaxies NGC 3988 , NGC 4008 , NGC 4016 , NGC 4017 .

The object was discovered on April 28, 1894 by Guillaume Bigourdan .

See also

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 2982
  4. ↑ Seligman