NGC 6304: Difference between revisions
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[[File:NGC 6304 WFC3 275 336 438 Wiki.jpg|thumb|left|Globular cluster NGC 6304, by [[Hubble Space Telescope|HST]] (WFC3).]] |
[[File:NGC 6304 WFC3 275 336 438 Wiki.jpg|thumb|left|Globular cluster NGC 6304, by [[Hubble Space Telescope|HST]] (WFC3).]] |
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==See also== |
==See also== |
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* [[NGC object]] |
* [[NGC object]] |
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* [[SIMBAD]] – [http://simbad.u-strasbg.fr/sim-id.pl?Ident=NGC%206304 NGC 6304] |
* [[SIMBAD]] – [http://simbad.u-strasbg.fr/sim-id.pl?Ident=NGC%206304 NGC 6304] |
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* [[VizieR]] – [http://vizier.u-strasbg.fr/viz-bin/VizieR-S?NGC%206304 NGC 6304] |
* [[VizieR]] – [http://vizier.u-strasbg.fr/viz-bin/VizieR-S?NGC%206304 NGC 6304] |
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{{Ngc65}} |
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[[Category:Globular clusters]] |
[[Category:Globular clusters]] |
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[[Category:Ophiuchus (constellation)]] |
[[Category:Ophiuchus (constellation)]] |
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[[Category:NGC objects|6304]] |
[[Category:NGC objects|6304]] |
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Revision as of 05:09, 10 October 2019
| NGC 6304 | |
|---|---|
 Credit: 2MASS | |
| Observation data (J2000.0 [1] epoch) | |
| Class | VI [2] |
| Constellation | Ophiuchus [3] |
| Right ascension | 17h 14m 32.25s [1] |
| Declination | −29° 27′ 43.3″ [1] |
| Distance | 19.2 kly [2] |
| Apparent magnitude (V) | 9.03 [1] |
| Apparent dimensions (V) | 3.8' |
| Physical characteristics | |
| VHB | 16.25 [4] |
| Metallicity | = -0.45 [4] dex |
| Estimated age | ~12.3 Gyr[5] |
| Other designations | Bennett 90,[3] C 1711-294,[1] |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](https://wikimedia.org/enwiki/api/rest_v1/media/math/render/svg/4c0821bd80891e071c08e7c7ee8e022baedf522c)
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.[3] It is about 19,000 light-years away, near the Milky Way's central bulge.[7]
See also
References
- ^ a b c d e f g h i "NGC 6304". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-08-18.
- ^ a b "NGC 6304". SEDS. Retrieved 2012-08-18.
- ^ a b c d e f "NGC 6304". Deep Sky Observer's Companion on-line database. Retrieved 2012-08-17.
- ^ a b "NGC 6304". A Galactic Globular Cluster Database. Version 11.12. Retrieved 2012-08-18.
- ^
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.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ "NGC 6304". NASA/IPAC Extragalactic Database. Retrieved 2012-08-18.
- ^ Crossen, C.; Rhemann, G. (2004), Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes, Springer-Verlag, p. 254, ISBN 978-3-211-00851-5
External links
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