NGC 6746

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Galaxy
NGC 6746
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AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 19 h 10 m 22.0 s
declination -61 ° 58 ′ 13 ″
Appearance
Morphological type SA0-:  
Brightness  (visual) 12.1 mag
Brightness  (B-band) 13.1 mag
Angular expansion 1.4 'x 0.9'
Position angle 173 °
Surface brightness 12.4 mag / arcmin²
Physical data
Affiliation NGC 6769 group
IC 4845 group
LGG 427  
Redshift 0.013880 ± 0.000133  
Radial velocity 4161 ± 40 km / s  
Stroke distance
v rad  / H 0
(182 ± 13)  ·  10 6  ly
(55.8 ± 3.9)  Mpc 
history
discovery John Herschel
Discovery date August 11, 1836
Catalog names
NGC  6746 • PGC  62852 • ESO  141-029 • IRAS  F19057-6203 • SGC  190548-6203.1 •

NGC 6746 is an elliptical galaxy of Hubble type E / S0 in the constellation Peacock on southern sky . It is an estimated 182 million light years from the Milky Way and about 75,000 light years in diameter. The galaxy is considered a member of the IC 4845 group ( LGG 427 ).
In the same area of ​​the sky are the galaxies NGC 6739 , IC 4815 , IC 4824 , IC 4828 .

The object was discovered by John Herschel on August 11, 1836 .

Web links

Individual evidence

  1. a b c d e f NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 6746
  3. ^ VizieR
  4. Seligman