NGC 972

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Galaxy
NGC 972
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NGC972-hst-R658GB814.jpg
Photo from the Hubble Space Telescope
AladinLite
Constellation Aries
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 34 m 13.38 s
declination + 29 ° 18 ′ 40.6 ″
Appearance
Morphological type Sab / HII  
Brightness  (visual) 11.3 mag
Brightness  (B-band) 12.1 mag
Angular expansion 3.3 ′ × 1.7 ′
Position angle 152 °
Surface brightness 13.0 mag / arcmin²
Physical data
Redshift 0.005147 ± 0.000020  
Radial velocity 1543 ± 6 km / s  
Stroke distance
v rad  / H 0
(73 ± 5)  ·  10 6  ly
(22.5 ± 1.6)  Mpc 
history
discovery William Herschel
Discovery date September 11, 1784
Catalog names
NGC  972 • UGC  2045 • PGC  9788 • CGCG  505-12 • MCG  + 05-07-010 • IRAS  02312 + 2905 • KUG  0231 + 290 • 2MASX  J02341338 + 2918404 • GC  560 • H  II-211 • h  232 •

NGC 972 is a spiral galaxy with extensive star formation regions of the Hubble type Sab in the constellation Aries on the ecliptic . It is an estimated 73 million light years away from the Milky Way and has a diameter of about 70,000 ly. The galaxy has an angular size of 3.3 '× 1.7' and an apparent magnitude of 11.3 mag.
In the same area of ​​the sky is the galaxy NGC 953 .

The object was discovered by William Herschel on September 11, 1784 .

Web links

Commons : NGC 972  - collection of images, videos, and audio files

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 972
  3. Seligman