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Table 2

Stellar data available in literature for NGC 6357 (Pismis 24) and NGC 6334.

Name Equatorial coordinates V B − V U − B Spectral type V − KS J − H H − K RV d AV
J2000 (h m s °   ′   ′′)  mag  mag  mag  mag  mag  mag  kpc  mag
NGC 6357
HDE319718 = Pis24-1 17 24 43.41 −34 11 56.5 10.43 1.45 0.40 O3 If* 4.538 0.551 0.283 3.37* 1.65 5.75
HD 157504 = WR93 17 25 08.79  −34 11 12.1 11.46 1.15 WC7(+abs?) 5.595 0.503 0.668  −  −  −
Pis24-17 17 24 44.70  −34 12 02 11.84 1.49 0.28 O3 III(f*) 4.865 0.535 0.306 3.52* 2.03 6.39
Pis24-2 17 24 43.20  −34 12 43.5 11.95 1.41 0.32 O5.5 V((f)) 4.260 0.475 0.307 3.27 1.90 5.99
Pis24-15* 17 24 28.86  −34 14 50.3 12.44 1.18 0.26 O8 V 3.974 0.450 0.235 3.38 2.71 5.01
Pis24-13* 17 24 45.68  −34 09 39.2 12.32 1.33 0.22 O6.5 V((f)) 4.784 0.574 0.289 3.47 2.08 5.74
Pis24-3* 17 24 42.21  −34 13 21.0 12.77 1.44 0.35 O8 V 4.279 0.524 0.298 3.30 1.92 6.09
Pis24-8* 17 24 38.81  −34 14 58.2 12.95 1.55 0.42 4.460  − 0.208  −  −  −
Pis24-10 17 24 35.94  −34 13 59.9 12.96 1.50 0.38 O9 V 4.272 0.487 0.276 3.31 1.66 6.33
Pis24-16 17 24 44.30  −34 12 00 13.02 1.60 O7.5 V 5.649 0.592 0.490 3.76  −  −
Pis24-7 17 24 47.81  −34 15 16.5 13.46 1.68 0.58 5.036 0.608 0.327  −  −  −
Pis24-12 17 24 42.22  −34 11 41.1 13.88 1.47 0.38 B1 V 4.097 0.508 0.208 3.07 1.51 6.19
Pis24-4 17 24 40.39  −34 12 05.9 13.93 1.43 0.53 4.792 0.595 0.315  −  −  −
Pis24-18 17 24 43.20  −34 11 42 13.97 1.48 B0.5 V: 4.998 0.683 0.341 3.61  −  −
Pis24-9 17 24 39.29  −34 15 26.4 14.26 1.40 0.40 4.258 0.490 0.288  −  −  −
Pis24-11 17 24 34.68  −34 13 17.1 14.53 1.57 0.30 4.741 0.660 0.296  −  −  −
Pis24-19 17 24 43.50  −34 11 41 14.43 1.39 B1 V 4.818 0.592 0.467 3.71  −  −
NGC 6334
CD-35 11146 17 19 07.5  −35 37 46 11.44 0.76  −0.04 B2IV 2.05 0.24 0.09 2.98 1.59 3.48
HD319701 17 19 16.0  −35 54 08 10.10 1.08 0.04 B1Ib 3.14 0.37 0.21 3.19 1.73 4.65
HD39699 17 19 30.4  −35 42 36 9.63 0.77  −0.24 O5V((f)) 2.29 0.22 0.15 3.37 1.75 3.78
CD-3511477 17 20 05.0  −35 56 38 11.11 0.90  −0.03 B0.5V 2.46 0.27 0.09 3.05 1.4 4.12
HD319697 17 20 24.8  −35 42 32 10.33 0.66  −0.24 B1V 1.62 0.18 0.04 2.84 1.10 3.28
CD-35 11482 17 20 26.5  −35 44 07 10.70 0.73  −0.25 B0.5Ve 3.42 0.38 0.43 4.58 1.41 3.61
CD-35 11483 17 20 33.6  −36 06 26 11.65 1.03  −0.10 B1e 2.53 0.30 0.19 2.80  −  −
HD319703B 17 19 45.0  −36 05 47 11.20 1.25 0.04 O6.5V((f)) 3.61 0.28 0.28  − 1.26 5.64
HD319703A 17 19 46.2  −36 05 52 10.71 1.14 0.04 O7III 3.66 0.38 0.27 3.58 1.78 5.12
CD-35 11484 17 20 49.8  −35 52 21 11.33 0.95 0.04 B1V 2.73 0.27 0.18 3.17 1.10 4.27
HD319702 17 20 50.6  −35 51 46 10.13 0.90 0.04 O8III((f)) 2.71 0.31 0.17 3.43 2.11 4.03
HD156738 17 20 52.7  −36 04 21 9.37 0.86  −0.14 O6.5III((f)) 2.58 0.26 0.16 3.55 1.58 4.05

Notes. Spectral types are from Massey et al. (2001) for NGC 6357 and from Persi & Tapia (2008) and Pinheiro et al. (2010) for NGC 6334. Asterisk following the name in Col. 1 means that U, B and V data are from this paper. Asterisk following value in the RV column means the data are from Bohigas et al. (2004). JHKS data are from 2MASS. Distance and AV were calculated from the RV of 3.56 and 3.53 for stars in NGC 6334 and NGC 6357, respectively.

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