Ngc 6342

NGC 6342
	NGC 6342 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
Class	IV
Constellation	Ophiuchus
Right ascension	17h 21m 10.1s
Declination	−19° 35′ 15″
Apparent magnitude (V)	9.66
Apparent dimensions (V)	4.40′
Physical characteristics
Absolute magnitude	−6.42
Metallicity	[math]\displaystyle{ \begin{smallmatrix}\left[\ce{Fe}/\ce{H}\right]\end{smallmatrix} }[/math] = −0.55 dex
Other designations	GCL 61 and ESO 587-SC6
	See also: Globular cluster, List of globular clusters

Short description: A Globular cluster in the constellation Ophiuchus

NGC 6342 is a globular cluster located in the constellation Ophiuchus. Its Shapley–Sawyer Concentration Class is IV,^[1] and it was discovered by the German-born British astronomer William Herschel on 28 May 1786.^[4] It is at a distance of 28,000 light years away from Earth.^[5]^[6]

NGC 6342 is classified as metal-rich, yet has only one generation of stars.^[3]

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 "Revised NGC Data for NGC 6342". http://spider.seds.org/ngc/revngcic.cgi?NGC6342.
↑ ^2.0 ^2.1 "Object No. 1 - NGC 6342". NASA/IPAC. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6342&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
↑ ^3.0 ^3.1 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, doi:10.3847/0004-6256/152/1/21, Bibcode: 2016AJ....152...21J
↑ "NGC 6342 (= GCL 61)". http://cseligman.com/text/atlas/ngc63.htm#6342.
↑ "NGC 6342". http://spider.seds.org/spider/MWGC/n6342.html.
↑ "The globular cluster NGC 6342". https://in-the-sky.org/data/object.php?id=5097.

External links

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/NGC 6342. Read more

[Seds-1] 1.0 ^1.1 ^1.2 ^1.3 "Revised NGC Data for NGC 6342". http://spider.seds.org/ngc/revngcic.cgi?NGC6342.

[NASA/IPAC-2] 2.0 ^2.1 "Object No. 1 - NGC 6342". NASA/IPAC. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6342&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.

[Johnson2016-3] 3.0 ^3.1 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, doi:10.3847/0004-6256/152/1/21, Bibcode: 2016AJ....152...21J

[cseligman-4] "NGC 6342 (= GCL 61)". http://cseligman.com/text/atlas/ngc63.htm#6342.

[Seds1-5] "NGC 6342". http://spider.seds.org/spider/MWGC/n6342.html.

[In-the-sky-6] "The globular cluster NGC 6342". https://in-the-sky.org/data/object.php?id=5097.

Ngc 6342

See also

References

External links