NGC 6304

NGC 6304
Observation data (J2000.0 epoch)
ClassVI
ConstellationOphiuchus
Right ascension17h 14m 32.25s
Declination−29° 27′ 43.3″
Distance19.2 kly
Apparent magnitude (V)9.03
Apparent dimensions (V)3.8'
Physical characteristics
VHB16.25
Metallicity[Fe/H] = −0.45 dex
Estimated age~12.3 Gyr
Other designationsBennett 90,

C 1711-294,
ESO 454-2,
ESO 454-SC 002,
GC 4275,
GCl 56,
h 3670,
I 147,
NGC 6304,

VDBH 216
See also: Globular cluster, List of globular clusters

NGC 6304 is a globular cluster in the constellation Ophiuchus. William Herschel discovered this star cluster using an 18.5-inch (47 cm) f/13 speculum reflector telescope in 1786. It is about 19,000 light-years away, near the Milky Way's central bulge.

Globular cluster NGC 6304, by HST (WFC3).

See also

References

  1. 1 2 3 4 5 6 7 8 9 "NGC 6304". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-08-18.
  2. 1 2 "NGC 6304". SEDS. Retrieved 2012-08-18.
  3. 1 2 3 4 5 6 "NGC 6304". Deep Sky Observer's Companion on-line database. Retrieved 2012-08-17.
  4. 1 2 "NGC 6304". A Galactic Globular Cluster Database. Version 11.12. Retrieved 2012-08-18.
  5. ↑ Forbes, D. A.; Bridges, T. (2010). "Accreted versus in situ Milky Way globular clusters". Monthly Notices of the Royal Astronomical Society. 404 (3): 1203–1214. arXiv:1001.4289. Bibcode:2010MNRAS.404.1203F. doi:10.1111/j.1365-2966.2010.16373.x. S2CID 51825384.
  6. ↑ "NGC 6304". NASA/IPAC Extragalactic Database. Retrieved 2012-08-18.
  7. ↑ Crossen, C.; Rhemann, G. (2004), Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes, Springer-Verlag, p. 254, ISBN 978-3-211-00851-5