NGC 7012

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Galaxy
NGC 7012
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NGC 7012 [1]
NGC 7012
AladinLite
Constellation microscope
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 21 h 06 m 45.52 s
declination -44 ° 48 ′ 53.0 ″
Appearance
Morphological type E + 4 pec  
Brightness  (visual) 12.7 mag
Brightness  (B-band) 13.7 mag
Angular expansion 2.4 '× 1.3'
Position angle 115 °
Surface brightness 14.0 mag / arcmin²
Physical data
Redshift 0.029347 ± 0.000087  
Radial velocity 8798 ± 26 km / s  
Stroke distance
v rad  / H 0
(393 ± 27)  ·  10 6  ly
(120.4 ± 8.4)  Mpc 
history
discovery John Herschel
Discovery date July 1, 1834
Catalog names
NGC  7012 • PGC  66116 • ESO  286-051 • 2MASX  J21064552-4448531 • SGC  210326-4500.9 • 2MASS J21064549-4448529 • LDCE 1441 NED004 • WISEA J210645.50-444852.6

NGC 7012 is a cD galaxy of the Hubble type E5 in the constellation Microscope in the southern sky . It is an estimated 393 million light years from the Milky Way and about 280,000 light years in diameter.

The object was discovered on July 1, 1834 by John Herschel .

Web links

Commons : NGC 7012  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 7012
  4. Seligman