NGC 2742
| Galaxy NGC 2742 / NGC 2816 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 09 h 07 m 33.5 s |
| declination | + 60 ° 28 ′ 46 ″ |
| Appearance | |
| Morphological type | SA (s) c |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 3 ′ × 1.5 ′ |
| Position angle | 87 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 167 |
| Redshift | 0.004300 ± 0.000023 |
| Radial velocity | (1289 ± 7) km / s |
|
Stroke distance v rad / H 0 |
(61 ± 4) · 10 6 ly (18.7 ± 1.3) Mpc |
| history | |
| discovery | Wilhelm Herschel John Herschel |
| Discovery date | March 19, 1790 March 30, 1832 |
| Catalog names | |
| NGC 2742/2816 • UGC 4779 • PGC 25640 • CGCG 288-019 • MCG + 10-13-057 • IRAS 09036 + 6040 • 2MASX J09073352 + 6028454 • GC 1750 • H I 249 • h 550 • LDCE 0603 NED004 | |
NGC 2742 = NGC 2816 is a spiral galaxy of Hubble type Sc in the constellation Ursa Major. It is estimated to be 61 million light years from the Milky Way .
The object was discovered on March 19, 1790 by Wilhelm Herschel .