NGC 6539
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Globular cluster NGC 6539 |
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| The globular cluster NGC 6539 | |
| AladinLite | |
| Constellation | Snake bearer |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 18 h 04 m 49.7 s |
| declination | -07 ° 35 ′ 09 ″ |
| Appearance | |
| Concentration class | X |
| Brightness (visual) | 8.9 likes |
| Angular expansion | 7.9 ' |
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Color excess E (BV) (redness) |
1.091 |
| Physical data | |
| Affiliation | Milky Way |
| Redshift | (-152 ± 36) · 10 -6 |
| Radial velocity | (-45.6 ± 10.9) km / s |
| distance | 27.4 kLj (8.4 kpc ) |
| Metallicity [Fe / H] | -0.66 |
| history | |
| discovery | Theodor Brorsen |
| Discovery date | September 1856 |
| Catalog names | |
| NGC 6539 • C 1802-075 • GCl 85 • GC 4370 • | |
NGC 6539 is a globular cluster in the constellation Serpent Bearer , which is approximately 27,400 light years from Earth . The globular cluster NGC 6539 was discovered in 1856 by the German astronomer Theodor Johann Christian Ambders Brorsen .
Web links
Commons : NGC 6539 - collection of images, videos, and audio files
- Diagrams of 74 globular clusters , bibcode : 2002A & A ... 391..945P
- Spektrum.de : Amateur recordings [1]