IC 4748

from Wikipedia, the free encyclopedia
Galaxy
IC 4748
{{{Card text}}}
Photo-request.svg
AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 18 h 42 m 45.9 s
declination -64 ° 04 ′ 22 ″
Appearance
Morphological type S0?  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.3 mag
Angular expansion 0.8 ′ × 0.8 ′
Surface brightness 12.7 mag / arcmin²
Physical data
Redshift 0.014450 ± 0.000140  
Radial velocity 4332 ± 42 km / s  
Stroke distance
v rad  / H 0
(189 ± 13)  ·  10 6  ly
(58.0 ± 4.1)  Mpc 
history
discovery DeLisle Stewart
Discovery date July 20, 1901
Catalog names
IC  4748 • PGC  62299 • ESO  103-053 • 2MASX  J18424592-6404215 • LDCE 1323 NED025

IC 4748 is a lenticular galaxy of the Hubble type S0 in the constellation Peacock in the southern sky . It is estimated 189 million light years away from the Milky Way and has a diameter of about 45,000 ly.
In the same area of ​​the sky are the galaxies IC 4741 , IC 4742 , IC 4752 , IC 4755 .

The object was discovered by DeLisle Stewart on July 20, 1901 .

See also

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : IC 4748
  3. Seligman