NGC 2986
| Galaxy NGC 2986 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 44 m 16.0 s |
| declination | -21 ° 16 ′ 41 ″ |
| Appearance | |
| Morphological type | E2; HII / BLLAC |
| Brightness (visual) | 10.7 mag |
| Brightness (B-band) | 11.7 mag |
| Angular expansion | 3.2 ′ × 2.6 ′ |
| Position angle | 105 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.007679 +/- 0.000014 |
| Radial velocity | 2302 +/- 4 km / s |
|
Stroke distance v rad / H 0 |
(94 ± 7) x 10 6 ly (28.7 ± 2.0) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 10, 1785 |
| Catalog names | |
| NGC 2986 • PGC 27885 • ESO 094157-2102.9 • MCG -03-25-019 • 2MASX J09441604-2116418 • SGC 094157-2102.9 • GC 1913 • H II 311 • LDCE 0673 NED003 | |
NGC 2986 is an elliptical galaxy of Hubble type E2 in the constellation Hydra , an estimated 119 million light-years from the Milky Way 's center. It forms an optical galaxy pair with the approximately 13.5 mag bright galaxy ESO 566-04 in the background .
At the beginning of December 1999, the Type Ia supernova SN 1999gh was discovered in the galaxy .
The object was discovered on March 10, 1785 by the astronomer William Herschel with a 48 cm telescope.