NGC 2781
| Galaxy NGC 2781 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 11 m 27.5 s |
| declination | -14 ° 49 ′ 01 ″ |
| Appearance | |
| Morphological type | SAB (r) 0+ |
| Brightness (visual) | 11.6 mag |
| Brightness (B-band) | 12.5 mag |
| Angular expansion | 3 ′ × 1.5 ′ |
| Position angle | 79 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 170 |
| Redshift | 0.006848 ± 0.000023 |
| Radial velocity | (2053 ± 7) km / s |
|
Stroke distance v rad / H 0 |
(83 ± 6) · 10 6 ly (25.5 ± 1.8) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | February 8, 1785 |
| Catalog names | |
| NGC 2781 • PGC 25907 • MCG -02-24-002 • IRAS 09091-1436 • 2MASX J09121949-2410213 • GC 1777 • H I 66 • h 569, h 3147 • LDCE 0618 NED002 | |
NGC 2781 is a lenticular galaxy of the Hubble type SB0-a in the constellation Water Snake south of the celestial equator . It is an estimated 83 million light years from the Milky Way .
The object was discovered by William Herschel on February 8, 1785 .