NGC 3782
| Galaxy NGC 3782 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 39 m 20.7 s |
| declination | + 46 ° 30 ′ 50 ″ |
| Appearance | |
| Morphological type | SAB (s) cd: |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 1.6 ′ × 1.1 ′ |
| Position angle | 0 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | UMa cluster LGG 258 |
| Redshift | 0.002465 ± 0.000020 |
| Radial velocity | 739 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(35 ± 2) x 10 6 ly (10.72 ± 0.76) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | February 5, 1788 |
| Catalog names | |
| NGC 3782 • UGC 6618 • PGC 36136 • CGCG 242-071 • MCG + 08-21-87 • IRAS 11366 + 4647 • 2MASX J11392067 + 4630482 • GC 2477 • H II 732 • h 930 • NVSS J113921 + 463045 • LDCE 867 NED030 | |
NGC 3782 is a spiral dwarf galaxy of the Hubble type SBcd in the constellation Great Bear in the northern sky . It is estimated to be 35 million light years from the Milky Way and about 15,000 light years in diameter.
The object was discovered on February 5, 1788 by the astronomer William Herschel with an 18.7-inch reflecting telescope and is listed in the New General Catalog .