NGC 6771
| Galaxy NGC 6771 |
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|---|---|
![NGC 6769 (top right), NGC 6770 (top left) and NGC 6771 (bottom) [1] (VLT)](https://de.wikipedia.org/wiki/Datei:Phot-12-04.jpg)
|
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| NGC 6769 (top right), NGC 6770 (top left) and NGC 6771 (bottom) ( VLT ) | |
| AladinLite | |
| Constellation | peacock |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 18 m 39.5 s |
| declination | -60 ° 32 ′ 46 ″ |
| Appearance | |
| Morphological type | S0 ^ + p |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 2.3 ′ × 0.5 ′ |
| Position angle | 118 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 6769 group IC 4845 group LGG 427 |
| Redshift | 0.014063 ± 0.000063 |
| Radial velocity | 4216 ± 19 km / s |
|
Stroke distance v rad / H 0 |
(185 ± 13) x 10 6 ly (56.7 ± 4.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | August 11, 1836 |
| Catalog names | |
| NGC 6771 • PGC 63049 • ESO 141-G050 • 2MASX J19183951-6032456 • SGC 191414-6038.2 • GC 4478 • h 3785 • 2MASS J19183947-6032465 • LDCE 1323 NED081 • KTS 59C | |
NGC 6771 is an elliptical galaxy of the Hubble type SB0 / a in the constellation Peacock in the southern sky . It is around 185 million light years away from the Milky Way and has a diameter of around 130,000 light years . Together with NGC 6769 and NGC 6770 , it forms the galaxy trio KTS 59 and is a member of the IC 4845 group ( LGG 427 ).
In the same area of the sky there are still u. a. the galaxies IC 4836 , IC 4842 , IC 4845 .
The object was discovered on August 11, 1836 by the British astronomer John Herschel .
Web links
Commons : NGC 6771 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- ESO : Cosmic Ballet or Devil's Mask? April 28, 2004
- Capella Observatory
- Antilhue - Chile