NGC 7689

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Galaxy
NGC 7689
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NGC7689-hst-814.png
Photo from the Hubble Space Telescope
AladinLite
Constellation Phoenix
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 23 h 33 m 16.7 s
declination -54 ° 05 ′ 40 ″
Appearance
Morphological type SA (r) c  
Brightness  (visual) 11.5 likes
Brightness  (B-band) 12.2 mag
Angular expansion 2.9 ′ × 1.9 ′
Position angle 135 °
Surface brightness 13.2 mag / arcmin²
Physical data
Affiliation isolated  
Redshift 0.006571 ± 0.000017  
Radial velocity 1970 ± 5 km / s  
Stroke distance
v rad  / H 0
(85 ± 6)  x  10 6  ly
(26.0 ± 1.8)  Mpc 
history
discovery James Dunlop
Discovery date September 5, 1826
Catalog names
NGC  7689 • PGC  71729 • ESO  192-007 • IRAS  23305-5422 • 2MASX  J23331672-5405401 • SGC  233031-5422.2 • GC  4978 • h  3996 • HIPASS  J2333-54 • 2MIG 3172

NGC 7689 is a barred spiral galaxy of the Hubble type SBc in the constellation Phoenix in the southern sky . It is estimated to be 85 million light years from the Milky Way and about 70,000 light years in diameter.

The type II supernova SN 1996al was observed here.

The object was discovered by James Dunlop on September 5, 1826 .

Web links

Commons : NGC 7689  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 7689
  3. Simbad
  4. Seligman