IC 56

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Galaxy
IC 56
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AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 00 h 51 m 29.9 s
declination -12 ° 50 ′ 40 ″
Appearance
Morphological type SAB (r) cd  
Brightness  (visual) 14.8 mag
Brightness  (B-band) 15.5 mag
Angular expansion 0.7 ′ × 0.6 ′
Position angle 9 °
Surface brightness 13.4 mag / arcmin²
Physical data
Redshift 0.020297 ± 0.000100  
Radial velocity 6085 ± 30 km / s  
Stroke distance
v rad  / H 0
(274 ± 19)  x  10 6  ly
(83.9 ± 5.9)  Mpc 
diameter 65,000 ly
history
discovery Stéphane Javelle
Discovery date November 2, 1891
Catalog names
IC  56 • PGC  3014 • MCG  -02-03-030 • 2MASX  J00512994-1250396 • GALEX ASC J005129.83-125039.3

IC 56 is a faint bar spiral galaxy of the Hubble type SBcd in the constellation Whale south of the ecliptic . It is about 274 million light years away from the Milky Way and about 55,000 light years across .

The galaxy PGC 3035 , which is also called IC-56A due to its similar appearance, is in close proximity . But it is neither an IC object nor do the two spirals have any connections.
In the same area of ​​the sky are u. a. the galaxies NGC 283 , NGC 284 , NGC 285 , NGC 286 .

The object was discovered by Stéphane Javelle on November 2, 1891 .

See also

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : IC 56
  3. Seligman