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Table 1

Main parameters of the embedded clusters studied.

Cluster α J2000 δ J2000 R V0MV E BV SpT U Age° Γ
ID [h:m:s] [ °:′:″ ] [′] [mag] [mag] [pc cm-2] [Myr]

DBS 077 12:34:52.0 –61:39:00.0 1.75 13.2 1.70 O7 V 240 ~6.4 −1.44 ± 0.14
VVV 016 12:35:00.0 –61:41:40.0 1.00 13.2 1.70

DBS 078 12:36:03.0 –61:51:00.0 1.30 13.2 3.00 B1.4 V 7 <20 −1.19 ± 0.22

DBS 102a 16:15:01.0 –49:50:41.0 1.00 12.6 2.50 O5 78 ~4 −0.75 ± 0.27
DBS 102b 16:15:13.6 –49:49:07.0 1.00 12.6 2.50

DBS 160 16:16:55.5 –50:47:26.0 0.75 12.3 2.50 B0 V 49 <10 −0.71 ± 0.61
DBS 161 16:17:05.5 –50:47:29.0 1.00 12.3 2.50

Notes.

(∗)

From the earliest MS star in each cluster region.

(△)

Parameter obtained by considering both clusters as one.

(⋄)

Ionization parameter (see Eq. (10), Sect. 3.7).

(°)

Upper age limit (Ekström et al. 2012).

(•)

IMF slope obtained with the MS and PMS stars.

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