NGC 6739
| Galaxy NGC 6739 |
|
|---|---|
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| AladinLite | |
| Constellation | peacock |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 07 m 48.7 s |
| declination | -61 ° 22 ′ 05 ″ |
| Appearance | |
| Morphological type | (L) SA (r) 0 ^ 0 |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.4 ′ × 0.9 ′ |
| Position angle | 171 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 6769 group IC 4845 group LGG 427 |
| Redshift | 0.014186 ± 0.000087 |
| Radial velocity | 4253 ± 26 km / s |
|
Stroke distance v rad / H 0 |
(186 ± 13) · 10 6 ly (57.1 ± 4.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | August 7, 1834 |
| Catalog names | |
| NGC 6739 • PGC 62799 • ESO 141-028 • 2MASX J19074878-6122051 • SGC 190317-6126.8 • GALEX ASC J190748.48-612204.2 • LDCE 1323 NED069 | |
NGC 6739 is a lens-shaped galaxy of the Hubble-type S0 in the constellation Peacock in the southern sky . It is an estimated 186 million light years away from the Milky Way and is approximately 135,000 light years in diameter. The galaxy is considered a member of the IC 4845 group ( LGG 427 ).
In the same area of the sky are the galaxies NGC 6733 , NGC 6746 , IC 4815 .
The object was discovered by John Herschel on August 7, 1834 .