NGC 6770

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Galaxy
NGC 6770
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NGC 6769 (top right), NGC 6770 (top left) and NGC 6771 (bottom) [1] (VLT)
NGC 6769 (top right), NGC 6770 (top left) and NGC 6771 (bottom) ( VLT )
AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 19 h 18 m 37.3 s
declination -60 ° 29 ′ 47 ″
Appearance
Morphological type SB (rs) b  
Brightness  (visual) 12.0 mag
Brightness  (B-band) 12.8 mag
Angular expansion 2.2 ′ × 1.6 ′
Position angle 20 °
Surface brightness 13.2 mag / arcmin²
Physical data
Affiliation NGC 6769 group
IC 4845 group
LGG 427  
Redshift 0.012813 ± 0.000027  
Radial velocity 3841 ± 8 km / s  
Stroke distance
v rad  / H 0
(168 ± 12)  ·  10 6  ly
(51.5 ± 3.6)  Mpc 
history
discovery John Herschel
Discovery date August 11, 1836
Catalog names
NGC  6770 • PGC  63048 • ESO  141-G049 • 2MASX  J19183732-6029472 • SGC  191412-6035.3 • VV  304b • GC  4477 • h  3784 • AM 1914-603 • HIPASS  J1919-60 • LDCE 1323 NED080

NGC 6770 is a bar-spiral galaxy of the Hubble type SBb / P in the constellation Peacock in the southern sky . It is around 167 million light years away from the Milky Way and has a diameter of around 115,000 light years . Together with NGC 6769 and NGC 6771 , it forms the galaxy trio KTS 59 and is a member of the IC 4845 group ( LGG 427 ).

In the same area of ​​the sky there are still u. a. the galaxies IC 4836 , IC 4842 , IC 4845 .

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

Web links

Commons : NGC 6770  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 6770
  4. ^ VizieR
  5. Seligman