NGC 4131

from Wikipedia, the free encyclopedia
Galaxy
NGC 4131
{{{Card text}}}
NGC 4131 [1] SDSS image
NGC 4131 SDSS image
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 08 m 47.288 s
declination + 29 ° 18 ′ 17.21 ″
Appearance
Morphological type Sb / LINER  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.2 mag
Angular expansion 1.4 'x 0.7'
Position angle 73 °
Surface brightness 13.0 mag / arcmin²
Physical data
Affiliation NGC 4169 Group
WBL 382
NGC 4185 Flu
LGG 276  
Redshift 3836 ± 10  
Radial velocity 0.012796 ± 0.000033 km / s  
Stroke distance
v rad  / H 0
(171 ± 12)  ·  10 6  ly
(52.5 ± 3.7)  Mpc 
history
discovery William Herschel
Discovery date April 11, 1785
Catalog names
NGC  4131 • UGC  7126 • PGC  38573 • CGCG  158-029 • MCG  + 05-29-019 • 2MASX  J12084728 + 2918172 • GC  2740 • H  III 356 • h  1098 • GALEX ASC J120847.42 + 291816.3 • HOLM 339C • LDCE 875 NED001

NGC 4131 is a lenticular galaxy of the Hubble type SB0 / a with an active galaxy core in the constellation Coma Berenices in the northern sky . It is an estimated 171 million light years from the Milky Way and is 70,000 light years across. Together with NGC 4132 and NGC 4134 , it forms the galaxy trio Holm 339 and is a member of the NGC 4185 group ( LGG 276 ).

The object was discovered by Wilhelm Herschel on April 11, 1785 .

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 : NGC 4131
  4. ^ VizieR
  5. Seligman