NGC 5972

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Galaxy
NGC 5972
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Photo from the Hubble Space Telescope
Photo from the Hubble Space Telescope
AladinLite
Constellation Snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 15 h 38 m 54.1 s
declination + 17 ° 01 ′ 34 ″
Appearance
Morphological type S0-a / Sy2  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.7 mag
Angular expansion 1 ′, 0 × 0 ′, 7
Position angle 5 °
Surface brightness 13.3 mag / arcmin²
Physical data
Redshift 0.029741 ± 0.000133  
Radial velocity (8916 ± 40) km / s  
Stroke distance
v rad  / H 0
(402 ± 28)  x  10 6  ly
(123.2 ± 8.6)  Mpc 
history
discovery Édouard Jean-Marie Stephan
Discovery date June 29, 1880
Catalog names
NGC  5972 • UGC  9946 • PGC  55684 • CGCG  107-018 • MCG  + 03-40-16 • 2MASX  J15385414 + 1701344 •

NGC 5972 is a lenticular galaxy with an active nucleus of the Hubble type S0 / a in the constellation Serpens Caput north of the celestial equator . It is estimated to be 402 million light years away from the Milky Way and has a diameter of about 120,000 ly. In the same area of ​​the sky there are u. a. the galaxies NGC 5962 , NGC 5977 , IC 1130 .

The object was discovered on June 29, 1880 by Édouard Jean-Marie Stephan with an 80 cm Foucault reflector at the Observatoire de Marseille .

Web links

Commons : NGC 5972  - collection of images, videos, and audio files

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 5972
  3. Seligman