NGC 2983
Galaxy NGC 2983 |
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AladinLite | |
Constellation | Water snake |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 09 h 43 m 41.1 s |
declination | -20 ° 28 ′ 38 ″ |
Appearance | |
Morphological type | (RL) SB (s) 0 ^ + |
Brightness (visual) | 11.9 likes |
Brightness (B-band) | 12.8 mag |
Angular expansion | 2.5 ′ × 1.4 ′ |
Position angle | 95 ° |
Surface brightness | 13.1 mag / arcmin² |
Physical data | |
Redshift | 0.006778 ± 0.000073 |
Radial velocity | 2032 ± 22 km / s |
Stroke distance v rad / H 0 |
(82 ± 6) · 10 6 ly (25.1 ± 1.8) Mpc |
history | |
discovery | William Herschel |
Discovery date | March 10, 1785 |
Catalog names | |
NGC 2983 • PGC 27840 • ESO 566-G003 • MCG -03-25-017 • IRAS 06436-1809 • 2MASX J09434109-2028377 • SGC 094121-2014.9 • GC 1911 • H III 289 • h 3185 • LDCE 0673 NED002 |
NGC 2983 is a lenticular galaxy of Hubble type (RL) SB (s) 0 ^ + in the constellation Hydra , an estimated 82 million light-years from the Milky Way center.
The object was discovered on March 10, 1785 by the astronomer William Herschel with a 48 cm telescope.