NGC 5308

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Galaxy
NGC 5308
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NGC 5308 and SDSS J134646.18 + 605911.9 (Hubble Space Telescope)
NGC 5308 and SDSS J134646.18 + 605911.9 ( Hubble Space Telescope )
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 47 m 00.4 s
declination + 60 ° 58 ′ 23 ″
Appearance
Morphological type S0-  
Brightness  (visual) 11.4 mag
Brightness  (B-band) 12.4 mag
Angular expansion 3.7 ′ × 0.7 ′
Position angle 60 °
Surface brightness 12.3 mag / arcmin²
Physical data
Affiliation LGG 360  
Redshift 0.006665 ± 0.000017  
Radial velocity 1998 ± 5 km / s  
Stroke distance
v rad  / H 0
(95 ± 7)  x  10 6  ly
(29.1 ± 2.0)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 19, 1790
Catalog names
NGC  5308 • UGC  8722 • PGC  48860 • CGCG  295-012 • MCG  + 10-20-29 • 2MASX  J13470039 + 6058229 • GC  3662 • H  I 255 • h  1647 • LDCE 1005 NED002

NGC 5308 is a lenticular galaxy of Hubble type S0 in the constellation Ursa Major at the northern sky , the estimated 95 million light-years from the Milky Way 's center.

The object was discovered on March 19, 1790 by Wilhelm Herschel with the help of his 18.7-inch reflector telescope and was later included in his New General Catalog by Johan Dreyer .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 5308
  3. Seligman