NGC 7749
| Galaxy NGC 7749 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | sculptor |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 45 m 47.55 s |
| declination | -29 ° 31 ′ 04.1 ″ |
| Appearance | |
| Morphological type | SA0 ^ 0 ^ |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.6 '× 1.1' |
| Position angle | 28 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.034624 ± 0.000067 |
| Radial velocity | (10380 ± 20) km / s |
|
Stroke distance v rad / H 0 |
(464 ± 33) · 10 6 ly (142.4 ± 10.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 27, 1834 |
| Catalog names | |
| NGC 7749 • PGC 72338 • ESO 471-009 • MCG -05-56-003 • 2MASX J23454755-2931041 • SGC 234311-2947.7 • GALEX ASC J234547.37-293103.7 • LDCE 1596 NED001 • WISEA J234547.54-293103.8 • 2MIG 3194.8 | |
NGC 7749 is a bar-spiral galaxy of the Hubble-type S0 constellation Sculptor in the southern sky . It is an estimated 464 million light years from the Milky Way and about 220,000 light years in diameter.
The object was discovered by John Herschel on September 27, 1834 .