IC 4744
Galaxy IC 4744 |
|
---|---|
![]() |
|
AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 18 h 41 m 54.9 s |
declination | -63 ° 13 ′ 26 ″ |
Appearance | |
Morphological type | S / pec / HII |
Brightness (visual) | 14.5 mag |
Brightness (B-band) | 15.3 mag |
Angular expansion | 0.6 ′ × 0.3 ′ |
Position angle | 85 ° |
Surface brightness | 12.5 mag / arcmin² |
Physical data | |
Redshift | 0.038390 ± 0.000070 |
Radial velocity | 11509 ± 21 km / s |
Stroke distance v rad / H 0 |
(510 ± 36) · 10 6 ly (156.4 ± 10.9) Mpc |
history | |
discovery | DeLisle Stewart |
Discovery date | July 20, 1901 |
Catalog names | |
IC 4744 • PGC 62271 • 62272 • ESO 103-050 • IRAS 18371-6316 • 2MASX J18415486-6313257 • |
IC 4744 is a spiral galaxy with extensive star formation regions of the Hubble type S / P in the constellation Peacock in the southern sky . It is estimated to be 510 million light years away from the Milky Way and has a diameter of about 90,000 ly.
In the same area of the sky are the galaxies IC 4735 , IC 4742 , IC 4749 , IC 4750 .
The object was discovered by DeLisle Stewart on July 20, 1901 .