NGC 1781
Galaxy NGC 1781/1794 |
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---|---|
AladinLite | |
Constellation | Hare |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 05 h 07 m 55.0 s |
declination | -18 ° 11 ′ 24 ″ |
Appearance | |
Morphological type | (R) SB (s) 0 ^ 0 ^ pec: |
Brightness (visual) | 12.7 mag |
Brightness (B-band) | 13.7 mag |
Angular expansion | 1.3 ′ × 1.1 ′ |
Position angle | 45 ° |
Surface brightness | 12.9 mag / arcmin² |
Physical data | |
Redshift | 0.016645 +/- 0.000097 |
Radial velocity | 4990 +/- 29 km / s |
Stroke distance v rad / H 0 |
(217 ± 15) · 10 6 ly (66.5 ± 4.7) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | February 6, 1785 |
Catalog names | |
NGC 1781/1794 • PGC 16788 • ESO 553-007 • MCG -03-14-002 • IRAS 05057-1815 • 2MASX J05075502-1811237 • GC 998 • H III 268 • LDCE 0368 NED004 |
NGC 1781 = NGC 1794 is a lenticular galaxy of the Hubble type SB0 in the constellation Lepus in the southern sky . It is estimated to be 217 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on February 6, 1785 .