NGC 6342

NGC 6342
NGC 6342 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
ClassIV
ConstellationOphiuchus
Right ascension17h 21m 10.1s
Declination−19° 35′ 15″
Apparent magnitude (V)9.66
Apparent dimensions (V)4.40′
Physical characteristics
Absolute magnitude−6.42
Metallicity[Fe/H] = −0.55 dex
Other designationsGCL 61 and ESO 587-SC6
See also: Globular cluster, List of globular clusters

NGC 6342 is a globular cluster located in the constellation Ophiuchus. Its Shapley–Sawyer Concentration Class is IV, and it was discovered by the German-born British astronomer William Herschel on 28 May 1786. It is at a distance of 28,000 light years away from Earth.

NGC 6342 is classified as metal-rich, yet has only one generation of stars.

See also

References

  1. 1 2 3 4 "Revised NGC Data for NGC 6342". Seds. Retrieved 14 October 2015.
  2. 1 2 "Object No. 1 - NGC 6342". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 14 October 2015.
  3. 1 2 Johnson, Christian I.; Caldwell, Nelson; Rich, R. Michael; Pilachowski, Catherine A.; Hsyu, Tiffany (2016), "The Chemical Composition of Red Giant Branch Stars in the Galactic Globular Clusters NGC 6342 and NGC 6366", The Astronomical Journal, 152 (1): 21, arXiv:1606.08491, Bibcode:2016AJ....152...21J, doi:10.3847/0004-6256/152/1/21, S2CID 19812549
  4. ↑ "NGC 6342 (= GCL 61)". cseligman. Retrieved 14 October 2015.
  5. ↑ "NGC 6342". Seds. Retrieved 14 October 2015.
  6. ↑ "The globular cluster NGC 6342". In-the-sky. Retrieved 14 October 2015.