IC 2979

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Galaxy
IC 2979
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IC 2979 [1]
IC 2979
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 56 m 54.240 s
declination + 32 ° 09 ′ 31.70 ″
Appearance
Morphological type SB0  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.5 mag
Angular expansion 0.9 ′ × 0.8 ′
Position angle 171 °
Surface brightness 13.0 mag / arcmin²
Physical data
Affiliation NGC 3995 group
LGG 259  
Redshift 0.010417 ± 0.000090  
Radial velocity 3123 ± 27 km / s  
Stroke distance
v rad  / H 0
(140 ± 10)  x  10 6  ly
(42.8 ± 3.0)  Mpc 
history
discovery Stéphane Javelle
Discovery date June 12, 1896
Catalog names
IC  2979 • UGC  6925 • PGC  37559 • CGCG  157-059 • MCG  + 05-28-054 • 2MASX  J11565423 + 3209321 • GALEX ASC J115654.25 + 320929.2 • LDCE 852 NED003 • WISEA J115654.23 + 320931.7

IC 2979 is a lenticular galaxy of the Hubble type SB0 in the constellation Great Bear in the northern sky . It is estimated to be 140 million light-years from the Milky Way and about 35,000 light-years across. Together with ten other galaxies, it forms the NGC 3995 group ( LGG 259 ).
In the same area of ​​the sky are u. a. the galaxies NGC 3966 , NGC 3991 , NGC 3994 , IC 2978 .

The object was discovered by Stéphane Javelle on June 12, 1896 .

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 2979
  4. ^ VizieR
  5. Seligman