NGC 7006

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Globular cluster
NGC 7006
NGC 7006 HST.jpg
Image taken with the Hubble Space Telescope
AladinLite
Constellation dolphin
Position
equinox :  J2000.0 , epoch : J2000.0
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

Individual evidence

  1. ↑ NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ 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 .
  3. ↑ a b SEDS : NGC 7006
  4. ↑ SIMBAD Query
  5. ↑ Seligman