NGC 3073

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Galaxy
NGC 3073
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SDSS recording
SDSS recording
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 00 m 52.1 s
declination + 55 ° 37 ′ 08 ″
Appearance
Morphological type SAB0-  
Brightness  (visual) 13.0 likes
Brightness  (B-band) 14.0 mag
Angular expansion 1.2 ′ × 1.1 ′
Position angle 156 °
Surface brightness 13.4 mag / arcmin²
Physical data
Affiliation NGC 3079 group
LGG 188  
Redshift 0.003913 ± 0.000017  
Radial velocity 1173 ± 5 km / s  
Stroke distance
v rad  / H 0
(55 ± 4)  ·  10 6  ly
(16.9 ± 1.2)  Mpc 
history
discovery William Herschel
Discovery date April 1, 1790
Catalog names
NGC  3073 • UGC  5374 • PGC  28974 • CGCG  265-054 • 266-006 • MCG  + 09-17-007 • 2MASX  J10005204 + 5537081 • Mrk  131 • GC  1977 • H  III 853 • HOLM 156B • LDCE 700 NED001

NGC 3073 is an elliptical dwarf galaxy with an active nucleus of the Hubble type E / SB0 in the constellation Great Bear in the northern sky . It is estimated to be 20 million light-years from the Milky Way and about 95,000 light-years across.
In the same area of ​​the sky is u. a. the galaxy NGC 3079 .

The object was discovered on April 1, 1790 by the German-British astronomer Wilhelm Herschel .

Web links

Commons : NGC 3073  - 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 3073
  3. Seligman