NGC 2815
| Galaxy NGC 2815 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 16 m 19.7 s |
| declination | -23 ° 38 ′ 00 ″ |
| Appearance | |
| Morphological type | (R ') SB (r) b / HII |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 3.5 ′ × 1.1 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.008473 ± 0.000027 |
| Radial velocity | 2540 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(104 ± 7) · 10 6 ly (31.9 ± 2.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | November 20, 1784 |
| Catalog names | |
| NGC 2815 • UGC A 156 • PGC 26157 • ESO 497- G032 • MCG -04-22-006 • IRAS 09140-2325 • 2MASX J09161974-2337596 • GC 1799 • H III 242 • h 3153 • LDCE 0634 NED003 | |
NGC 2815 is a barred spiral galaxy of the Hubble type SBb in the constellation Hydra. It is an estimated 104 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on November 20, 1784 .