NGC 6943
| Galaxy NGC 6943 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 44 m 33.74 s |
| declination | -68 ° 44 ′ 51.8 ″ |
| Appearance | |
| Morphological type | SAB (r) cd: |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 4.0 '× 2.2' |
| Position angle | 130 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.010387 ± 0.000013 |
| Radial velocity | 3114 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(134 ± 9) x 10 6 ly (41.2 ± 2.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | June 27, 1835 |
| Catalog names | |
| NGC 6943 • PGC 65295 • ESO 074-006 • IRAS 20398-6855 • 2MASX J20443374-6844519 • SGC 203948-6855.7 • 2MASS J20443371-6844517 • HIPASS J2044-68 • WISEA J204433.78-684451.3 | |
NGC 6943 is a spiral galaxy of Hubble type SBc in the constellation Peacock on southern sky . It is estimated to be 284 million light years from the Milky Way and about 165,000 light years in diameter .
In the same area of the sky is u. a. the galaxy NGC 6945 .
The supernovae SN 1998ew (Type II) and SN 2005av (Type IIn) were observed here.
The object was discovered by Wilhelm Herschel on June 27, 1835 .