NGC 2811
| Galaxy NGC 2811 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 16 m 11.1 s |
| declination | -16 ° 18 ′ 46 ″ |
| Appearance | |
| Morphological type | SB (rs) a |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.3 mag |
| Angular expansion | 2.5 ′ × 0.9 ′ |
| Position angle | 22 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.007899 ± 0.000097 |
| Radial velocity | 2368 ± 29 km / s |
|
Stroke distance v rad / H 0 |
(97 ± 7) · 10 6 ly (29.7 ± 2.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | December 31, 1785 |
| Catalog names | |
| NGC 2811 • PGC 26151 • MCG -03-24-003 • IRAS 09138-1606 • 2MASX J09161109-1618457 • GC 1796 • H II 505 • h 580/3151 • GALEX ASC J091611.23-161845.8 • LDCE 618 NED003 | |
NGC 2811 is a barred spiral galaxy of the Hubble type SBa in the constellation Hydra south of the ecliptic . It is estimated to be 97 million light years away from the Milky Way and about 75,000 light years in diameter.
The Type Ia supernova SN 2005am was observed here.
The object was discovered by Wilhelm Herschel on December 31, 1785 .
Web links
Commons : NGC 2811 - collection of images, videos, and audio files
