NGC 2974

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Galaxy
NGC 2974
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NGC 2974 GALEX WikiSky.jpg
AladinLite
Constellation sextant
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 09 h 42 m 33.3 s
declination -03 ° 41 ′ 57 ″
Appearance
Morphological type E4 / Sy2 / LINER  
Brightness  (visual) 10.9 likes
Brightness  (B-band) 11.9 likes
Angular expansion 3.5 ′ × 2 ′
Position angle 40 °
Surface brightness 13.1 mag / arcmin²
Physical data
Affiliation NGC 2974 group
LGG 179  
Redshift 0.006294 ± 0.000017  
Radial velocity 1887 ± 5 km / s  
Stroke distance
v rad  / H 0
(77 ± 6)  ·  10 6  ly
(23.6 ± 1.7)  Mpc 
history
discovery William Herschel
Discovery date January 6, 1785
Catalog names
NGC  2974 • UGCA  172 • PGC  27762 • CGCG  007-022 • MCG  + 00-25-008 • IRAS  09400-0328 • 2MASX  J09423326-0341568 • GC  1904 • H  I 61 • h  630 • GALEX ASC J094233.20-034153.7

NGC 2974 is an elliptical galaxy with an active nucleus of the Hubble type E4 in the constellation Sextant in the southern sky . It is an estimated 77 million light-years away from the Milky Way and has a diameter of about 80,000 ly.

The object was discovered by William Herschel on January 6, 1785 . It was rediscovered in 1886 by Ormond Stone , who was listed in the NGC catalog as 2652 .

Web links

Commons : NGC 2974  - 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 2974
  3. ^ VizieR
  4. Seligman