NGC 3747
| Galaxy NGC 3747 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 32 m 31.0 s |
| declination | + 74 ° 22 ′ 42 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 15.0 mag |
| Brightness (B-band) | 15.8 mag |
| Angular expansion | 0.7 '× 0.3' |
| Position angle | 100 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.018693 ± 0.000117 |
| Radial velocity | 5604 ± 35 km / s |
|
Stroke distance v rad / H 0 |
(256 ± 18) · 10 6 ly (78.6 ± 5.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 2, 1801 |
| Catalog names | |
| NGC 3747 • PGC 90149 • 2MASX J11323098 + 7422421 • GC 2458 • H III 969 • | |
NGC 3747 is a galaxy of Hubble type S in the constellation Draco. It is an estimated 256 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on April 2nd, 1801 .