NGC 6723

NGC 6723, also known as the Chandelier Cluster,^[6] is a globular cluster^[7] in the constellation Sagittarius. Its magnitude is given as between 6 and 6.8, and its diameter is between 7 and 11 arcminutes. It is a class VII cluster with stars of magnitude 14 and dimmer. It is near the border of Sagittarius and Corona Australis.

NGC 6723
NGC 6723 by Hubble Space Telescope; 3.5′ view
Observation data (J2000 epoch)
Class	VII[1]
Constellation	Sagittarius
Right ascension	18h 59m 33.15s[2]
Declination	–36° 37′ 56.1″[2]
Distance	28.4 kly (8.7 kpc)[3]
Apparent magnitude (V)	6.8[4]
Apparent dimensions (V)	11′[4]
Physical characteristics
Mass	3.57×105[3] M☉
Metallicity	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = –0.96[5] dex
Estimated age	13.06 Gyr[5]
See also: Globular cluster, List of globular clusters

Unlike common globular clusters, NGC 6723 has an enhanced metallicity and a large fraction of younger stars, with primordial stars accounting for only 0.363±0.017 % of the total.^[8]

Map showing location of NGC 6723