NGC 3023

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Galaxy
NGC 3023
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SDSS recording
SDSS recording
AladinLite
Constellation sextant
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 09 h 49 m 52.6 s
declination + 00 ° 37 ′ 05 ″
Appearance
Morphological type SAB (s) c  
Brightness  (visual) 12.3 mag
Brightness  (B-band) 13.0 likes
Angular expansion 3 ′ × 1.4 ′
Position angle 70 °
Surface brightness 13.7 mag / arcmin²
Physical data
Affiliation NGC 2967 group
LGG 182  
Redshift 0.006268 ± 0.000023  
Radial velocity 1879 ± 7 km / s  
Stroke distance
v rad  / H 0
(77 ± 6)  ·  10 6  ly
(23.7 ± 1.7)  Mpc 
history
discovery Édouard Stephan
Discovery date March 10, 1880
Catalog names
NGC  3023 • UGC  5269 • PGC  28272 • CGCG  007-043 • MCG  + 00-25-022 • IRAS  09472 + 0051 • 2MASX  J09495263 + 0037043 • VV  620 N01 • NVSS J094952 + 003704 • KPG 216B • LDCE 671 NED004

NGC 3023 is a merging bar-spiral galaxy of the Hubble-type SBc / P in the constellation Sextant in the southern sky . It is an estimated 77 million light years away from the Milky Way and about 70,000 light years in diameter. Together with NGC 3018 , it forms the gravitationally bound galaxy pair KPG 216 .
In the same area of ​​the sky are u. a. the galaxies NGC 3015 , NGC 3042 , IC 566 .

The object was discovered on March 10, 1880 by Édouard Stephan .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3023
  3. ^ VizieR
  4. Seligman