NGC 809
From Wikipedia, the free encyclopedia
Right ascension02h 04m 18.97s[1]
Declination−08° 44′ 07.06″[1]
| NGC 809 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 04m 18.97s[1] |
| Declination | −08° 44′ 07.06″[1] |
| Redshift | 0.01781±0.00001[2] |
| Heliocentric radial velocity | 5,292 km/s[2] |
| Distance | 245.14 ± 0.29 Mly (75.16 ± 0.09 Mpc)[3] |
| Apparent magnitude (B) | 14.66[4] |
| Characteristics | |
| Type | (R)S0^+?[5] |
| Size | ~108,500 ly (33.27 kpc) (estimated)[5] |
| Apparent size (V) | 1.23′ × 0.92′[6] |
| Other designations | |
| 6dF J0204190-084407, NGC 809, MCG -02-06-023, PGC 7889[7] | |
NGC 809 is a lenticular galaxy located in the constellation Cetus about 245 million light-years (75 Mpc) away from the Milky Way.[3] It was discovered by the American astronomer Lewis Swift in November 1886.[8] The galaxy is receding from the Milky Way with a line of sight velocity component of 5,292 km/s.[2]
The morphological classification of NGC 809 is (R)S0+:, indicating an outer ring structure (R) around a lenticular galaxy (S0). The galaxy has a miniature central bar structure with weakly-developed spiral arms. There is a very red ring structure that is likely dust rich. This symmetrical ring was probably formed by the impact of a satellite on the central part of the galaxy.[4]
.jpg){kind=small}