NGC 6987

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Galaxy
NGC 6987
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AladinLite
Constellation Indus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 20 h 58 m 10.36 s
declination -48 ° 37 ′ 49.1 ″
Appearance
Morphological type E0:  
Brightness  (visual) 12.4 mag
Brightness  (B-band) 13.4 mag
Angular expansion 1.4 '× 1.2'
Position angle 92 °
Surface brightness 13.0 mag / arcmin²
Physical data
Affiliation NGC 7038 group
LGG 441  
Redshift 0.017475 ± 0.000090  
Radial velocity 5239 ± 27 km / s  
Stroke distance
v rad  / H 0
(233 ± 16)  x  10 6  ly
(71.4 ± 5.0)  Mpc 
history
discovery John Herschel
Discovery date September 30, 1834
Catalog names
NGC  6987 • PGC  65807 • ESO  235-021 • IRAS  20546-4849 • 2MASX  J20581033-4837491 • SGC  205442-4849.4 • 2MASS J20581035-4837490 • GALEX ASC J205810.44-483747.0 • LDCE 1438 NED003

NGC 6987 is an elliptical galaxy from the Hubble type E1 in the constellation Indians on the southern sky . It is an estimated 233 million light years from the Milky Way and about 95,000 light years in diameter. With a further twelve galaxies, it is considered a member of the NGC 7038 group ( LGG 441 ).

The object was discovered by John Herschel on September 30, 1834 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 6987
  3. ^ VizieR
  4. Seligman