IC 747
| Galaxy IC 747 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 57 m 04.895 s |
| declination | -08 ° 17 ′ 32.36 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.60 × 0.4 |
| Position angle | 45 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.018920 ± 0.000150 |
| Radial velocity | 5672 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(248 ± 17) · 10 6 ly (75.9 ± 5.3) Mpc |
| history | |
| discovery | Stephane Javelle |
| Discovery date | May 13, 1893 |
| Catalog names | |
| IC 747 • PGC 170182 • 2MASX J11570484-0817318 • GALEX ASC J115704.94-081731.3 • LDCE 850 NED003 • WISEA J115704.87-081731.6 | |
IC 747 is an elliptical galaxy of Hubble type E3 in the constellation Virgo to the ecliptic . It is an estimated 248 million light years from the Milky Way and about 45,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 3959 and NGC 3967 .
The object was discovered by Stéphane Javelle on May 13, 1893 .