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NGC 6229

From Wikipedia, the free encyclopedia
Globular cluster in the constellation Hercules
NGC 6229
NGC 6229 as seen through theHubble Space Telescope
Observation data (J2000epoch)
ClassVII
ConstellationHercules
Right ascension16h 46m 58.8s
Declination+47° 31′ 40″
Apparent magnitude(V)9.4
Apparent dimensions(V)4.50'
Physical characteristics
Absolute magnitude-8.06
Metallicity[Fe/H]{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}} = -1.13±0.06[1]dex
Other designationsGCL 47
See also:Globular cluster,List of globular clusters

NGC 6229 is aglobular cluster located in the constellationHercules. It is designated asGC(v)B in thegalaxy morphological classification scheme and was discovered by the British astronomerWilliam Herschel on 12 May 1787. NGC 6229 is located at about 100,000 light years away from Earth.[2][3][4][5]

It is an intermediate-metallicity globular cluster with two distinct generations of stars, and may be the remnant core of a spheroidaldwarf galaxy.[1]

See also

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References

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  1. ^abJohnson, Christian I.; Caldwell, Nelson; Michael Rich, R.; Walker, Matthew G. (2017), "Light and Heavy Element Abundance Variations in the Outer Halo Globular Cluster NGC 6229",The Astronomical Journal,154 (4): 155,arXiv:1709.00048,Bibcode:2017AJ....154..155J,doi:10.3847/1538-3881/aa86ac,S2CID 119517454
  2. ^"Object No. 1 - NGC 6229".NASA/IPAC extragalactic database. NASA/IPAC. Retrieved3 October 2015.
  3. ^"Revised NGC Data for NGC 6229".Seds. Retrieved3 October 2015.
  4. ^"NGC NGC 6229 (= GCL 47)".cseligman. Retrieved3 October 2015.
  5. ^"NGC 6229".NGC/IC Project. Archived fromthe original on 20 May 2012. Retrieved3 October 2015.

External links

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  • Media related toNGC 6229 at Wikimedia Commons
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