NGC 7006
Globular cluster NGC 7006 |
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Image taken with the Hubble Space Telescope | |
AladinLite | |
Constellation | dolphin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 21 h 01 m 29.2 s |
declination | + 16 ° 11 ′ 15 ″ |
Appearance | |
Concentration class | I. |
Brightness (visual) | 10.6 mag |
Angular expansion | 3 ′, 6 |
Physical data | |
Redshift | −0.001160 ± 0.000017 |
Radial velocity | −348 ± 5 km / s |
distance | 135 kLj |
history | |
discovery | Wilhelm Herschel |
Discovery date | August 21, 1784 |
Catalog names | |
NGC 7006 • C 2059 + 160 • GCl 119 • GC 4625 • 2MASS X J21012946 + 1611164, H 2097, HI 52 |
NGC 7006 is a galactic globular cluster in the constellation Delphinus in the northern sky . It has a diameter of 3 ′, 6 and an apparent magnitude of 10.6 mag. The cluster is 140,000 light years from the solar system and orbits the center of the Milky Way on a very eccentric orbit. The object was discovered by Wilhelm Herschel on August 21, 1784 (listed as an NGC object).
Web links
- astronews.com: Picture of the day September 14, 2011
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ Harlow Shapley, Helen B. Sawyer: A Classification of Globular Clusters . In: Harvard College Observatory Bulletin . tape 849 , 1927, pp. 11-14 , bibcode : 1927BHarO.849 ... 11S .
- ↑ a b SEDS : NGC 7006
- ↑ SIMBAD Query
- ↑ Seligman