NGC 2742
Galaxy NGC 2742 / NGC 2816 |
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SDSS recording | |
AladinLite | |
Constellation | Big Bear |
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 .