Probing embedded star clusters in the HII complex NGC 6357 with VVV

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Table 1

Star clusters towards NGC 6357.

Cluster	α	δ	l	b	R	Comments
	(J200)	(J200)	(°)	(°)	(arcmin)
(1)	(2)	(3)	(4)	(5)	(6)	(7)

Pismis 24^a	17:24:44	–34:11:56	353.17	0.89	1.5	Optical EC
BDS 101^b	17:25:34	–34:23:09	353.11	0.65	0.7	Infrared EC
ESO 392-SC 11^c	17:25:32	–34:24:20	353.09	0.64	1.7	EC or OB association?
VVV CL164^d	17:24:31	–34:13:15	353.12	0.92	0.5	Infrared OC
VVV CL165^d	17:24:45	–34:11:28	353.18	0.89	0.2	Subcluster of Pismis 24?
VVV CL166^d	17:24:47	–34:12:36	353.17	0.88	0.2	Subcluster of Pismis 24?
VVV CL167^d	17:25:09	–34:11:13	353.23	0.83	0.6	Infrared EC surrounding WR 93

Notes. Columns 2 to 5: optimised central coordinates. Col. 6: the radii were set by eye for decontamination purposes (Sect. 4.1).

^(a)

Moffat & Vogt (1973).

^(b)

Bica et al. (2003).

^(c)

Sect. 2.

^(d)

Discovered in the present paper.

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