NGC 1993
| Galaxy NGC 1993 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hare |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 35 m 25.6 s |
| declination | -17 ° 48 ′ 55 ″ |
| Appearance | |
| Morphological type | SA (rs) 0-: |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.5 ′ × 1.4 ′ |
| Position angle | 80 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.010457 +/- 0.000063 |
| Radial velocity | 3135 +/- 19 km / s |
|
Stroke distance v rad / H 0 |
(133 ± 9) x 10 6 ly (40.9 ± 2.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 6, 1785 |
| Catalog names | |
| NGC 1993 • PGC 17487 • ESO 554-014 • MCG -03-15-003 • 2MASX J05352557-1748548 • SGC 053313-1750.8 • GC 1196 • H III 269 • LDCE 0407 NED005 | |
NGC 1993 is an elliptical galaxy of Hubble type e-S0 in the constellation Hare south of the celestial equator . It is estimated to be 133 million light years from the Milky Way and about 60,000 light years in diameter.
The object was discovered by William Herschel on February 6, 1785 .