IC 938

from Wikipedia, the free encyclopedia
Galaxy
IC 938
{{{Card text}}}
IC 938 & IC 937
IC 938 & IC 937
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 44 m 31.2 s
declination + 55 ° 37 ′ 39 ″
Appearance
Morphological type S.  
Brightness  (visual) 15.2 mag
Brightness  (B-band) 16.0 mag
Angular expansion 0.4 ′ × 0.2 ′
Position angle 160 °
Surface brightness 12.3 mag / arcmin²
Physical data
Redshift 0.069325 ± 0.000182  
Radial velocity 20783 ± 55 km / s  
Stroke distance
v rad  / H 0
(934 ± 66)  ·  10 6  Lj
(286.3 ± 20.1)  Mpc 
history
discovery Edward E. Barnard
Discovery date June 1892
Catalog names
IC  938 • 2MASX  J13443120 + 5537382 • 2MASS J13443122 + 5537385 • ASK 300897.0

IC 938 is a spiral galaxy of Hubble type S in the constellation Ursa Major at the northern sky . It is an estimated 934 million light years from the Milky Way and about 110,000 light years in diameter . Together with IC 937 , it forms an interacting pair of galaxies.
The galaxies IC 928 , IC 930 , IC 931 , IC 934 are located in the same area of ​​the sky .

The object was discovered by Edward Emerson Barnard in June 1892 .

See also

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 938
  3. Seligman

Attention: The sorting key “IC 0938” overwrites the previously used key “IC0938”.