NGC 6794
| Galaxy NGC 6794 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Sagittarius |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 28 m 03.9 s |
| declination | -38 ° 55 ′ 08 ″ |
| Appearance | |
| Morphological type | SA (rl) a |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.7 '× 1.4' |
| Position angle | 80 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.020077 ± 0.000030 |
| Radial velocity | 6019 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(269 ± 19) · 10 6 ly (82.5 ± 5.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | August 24, 1834 |
| Catalog names | |
| NGC 6794 • PGC 63241 • ESO 338-005 • MCG 07-40-001 • 2MASX J19280388-3855077 • SGC 192439-3901.3 • GC 4494 • h 3792 • GALEX ASC J192803.90-385506.8 • 1344 NED001 | |
NGC 6794 is a spiral galaxy of Hubble type Sab in the constellation Sagittarius on the ecliptic . It is estimated to be 269 million light years from the Milky Way and approximately 135,000 light years in diameter .
The object was discovered by John Herschel on August 24, 1834 .