NGC 3156

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Galaxy
NGC 3156
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Photo from the Hubble Space Telescope
Photo from the Hubble Space Telescope
AladinLite
Constellation sextant
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 12 m 41.249 s
declination + 03 ° 07 ′ 45.69 ″
Appearance
Morphological type S0  
Brightness  (visual) 12.1 mag
Brightness  (B-band) 13.1 mag
Angular expansion 1.9 'x 0.9'
Position angle 47 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 3169 group
LGG 192  
Redshift 0.004463 ± 0.000017  
Radial velocity 1338 ± 5 km / s  
Stroke distance
v rad  / H 0
(53 ± 4)  ·  10 6  ly
(16.4 ± 1.2)  Mpc 
history
discovery William Herschel
Discovery date December 13, 1784
Catalog names
NGC  3156 • UGC  5503 • PGC  29730 • CGCG  036-057 • MCG  + 01-26-019 • 2MASX  J10124120 + 0307455 • GC  2028 • H  III-255 • h  680 • GALEX ASC J101241.30 + 030746.8 • LDCE 715 NED001 • WISEA J101241.26 + 030745.7

NGC 3156 is a lenticular galaxy of the Hubble type S0 in the constellation Sextant in the southern sky . It is estimated to be 53 million light years from the Milky Way and about 30,000 light years across. The galaxy is considered a member of the five galaxies counting NGC 3169 group ( LGG 192 ).
In the same area of ​​the sky are u. a. the galaxies NGC 3165 and NGC 3166 .

The object was discovered by William Herschel on December 13, 1784 .

Web links

Commons : NGC 3156  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3156
  3. ^ VizieR
  4. Seligman