NGC 6453

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NGC 6453
NGC 6453 hst 11628 R555B438.png
NGC 6453, imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Class IV [1]
Constellation Scorpius
Right ascension 17h 50m 51.71s [2]
Declination −34° 35′ 59.60″ [2]
Distance 37.8  kly (11.6  kpc) [1] [3]
Apparent magnitude (V)10.10 [1]
Apparent dimensions (V)21.5′ [1]
Physical characteristics
Mass169,000 [3]   M☉
Metallicity [Fe/H] = –1.50 [3] dex
Other designations ESO 393-SC 036, GC 5878, h 3707 [4]
See also: Globular cluster, List of globular clusters

NGC 6453 is a globular cluster approximately 37,000 light-years away from Earth in the constellation of Scorpius. [3] [2]

Contents

The cluster is located approximately 1 kpc (~3,260 light-years) from the Galactic Center, [5] which results in confounded view of the cluster from the Solar System due to many intervening clouds of cosmic dust. [6]

The cluster measures nearly 8' across, and its brightest stars are no brighter than 14th magnitude. [6]

Observational history

NGC 6453 was discovered by John Herschel on June 8, 1837, [7] [1] [6] while he was observing from the Cape of Good Hope in South Africa. [8] He included the cluster as "h 3708" in his 1864 Catalogue of Nebulae and Clusters of Stars, and Danish-Irish astronomer John Dreyer later added the cluster to his New General Catalogue as object number 6453. [6] Dreyer described the cluster as "considerably large, irregularly round, pretty much brighter (in the) middle, round". [6]

See also

References

  1. 1 2 3 4 5 "SEDS". spider.seds.org. Retrieved December 5, 2017.
  2. 1 2 3 "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved December 5, 2017.
  3. 1 2 3 4 Boyles, J.; et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal, 742 (1): 51, arXiv: 1108.4402 , Bibcode:2011ApJ...742...51B, doi:10.1088/0004-637X/742/1/51, S2CID   118649860.
  4. ↑ "New General Catalog Objects: NGC 6450 - 6499". cseligman.com. Retrieved 2017-12-08.
  5. ↑ Ortolani, S.; Bica, E.; Barbuy, B. (1999), "Blue horizontal branch globular clusters towards the bulge: Terzan 9, NGC 6139 and NGC 6453", Astronomy and Astrophysics Supplement Series, 138 (2): 267–273, Bibcode:1999A&AS..138..267O, doi: 10.1051/aas:1999275
  6. 1 2 3 4 5 Harrington, Philip S. (2010). "Medium-scope challenges". Cosmic Challenge: The Ultimate Observing List for Amateurs. Cambridge University Press. p. 241. ISBN   9781139493680.
  7. ↑ "Data for NGC 6453". www.astronomy-mall.com. Retrieved December 9, 2017.
  8. ↑ "Universe Today". www.universetoday.com. 19 June 2009. Retrieved December 5, 2017.
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