Obscured clusters - IV. The most massive stars in [DBS2003] 179

J. Borissova; L. Georgiev; M. M. Hanson; J. R. A. Clarke; R. Kurtev; V. D. Ivanov; F. Penaloza; D. J. Hillier; J. Zsargó

doi:10.1051/0004-6361/201118348

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Volume 546 (October 2012)

A&A, 546 (2012) A110

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Table 3

Model parameters of the stars with spectra.


Object	Spec. type	T _eff	log g	log (L/L_⊙)		V _∞	β	He/H	log [N/H]
		[kK]	cgs-units		M_⊙/yr	km s^-1


Obj 1^c	O5/6V	35.0 ± 2.5	3.50 ± 0.25	5.54 ± 0.2	1.81E-05^b	2825^a	0.8	0.1	–0.1
Obj 2^c	O5/6V	32.5 ± 2.5	3.25 ± 0.25	5.24 ± 0.2	1.07E-05^b	2825^a	0.8	0.1	0.0
Obj 3^d	O5/6If	30.0 ± 1.25	3.10 ± 0.12	5.52 ± 0.2	8.58E-06	800 ± 50	1.0	0.25 ± 0.025	0.7 ± 0.1
Obj 4^d	Ofpe/WN9	30.0 ± 1.25	2.90 ± 0.12	6.15 ± 0.2	3.34E-05	500 ± 50	1.9	0.1	1.0 ± 0.1
Obj 5^c	O5/6I	35.0 ± 2.5	3.25 ± 0.25	5.42 ± 0.2	1.47E-05^b	2825^a	0.8	0.1	0.0
Obj 6^d	YSO?	32.5 ± 5.0	3.50 ± 0.50	4.62 ± 0.5	3.22E-07	300 ± 50	1.0	0.1	0.0
Obj 8^d	O4/5I	34.0 ± 1.5	3.10 ± 0.15	5.62 ± 0.2	8.27E-06	1250 ± 50	1.0	1.0 ± 0.025	0.6 ± 0.2
Obj 10^c	O8V	33.5 ± 1.5	3.00 ± 0.3	4.98 ± 0.2	6.26E-06^b	2270^a	0.8	0.1	–0.1
Obj 12^c	O4/5V	35.0 ± 2.5	3.50 ± 0.25	5.47 ± 0.2	1.60E-05^b	2825^a	0.8	0.1	–0.1
Obj 13^d	O4III	34.0 ± 1.25	3.10 ± 0.12	5.76 ± 0.2	1.05E-05	1250 ± 50	1.0	1.0	0.6 ± 0.1
Obj 14^d	O5/6If	32.5 ± 2.0	3.50 ± 0.30	5.72 ± 0.2	1.18E-06	300 ± 50	1.0	0.1	0.0
Obj 15^d	WN8-9h	37.0 ± 1.0	3.60 ± 0.10	6.29 ± 0.2	4.05E-05	1000 ± 50	1.0	0.15 ± 0.025	1.1 ± 0.1
Obj 17^c	O6/7V	35.0 ± 2.5	3.50 ± 0.25	5.35 ± 0.2	1.29E-05^b	2825^a	0.8	0.1	–0.1
Obj 18^c	O8/9V	35.0 ± 2.5	3.50 ± 0.25	4.96 ± 0.2	2.18E-06^b	2400^a	0.8	0.1	–0.1
Obj 19^c	O5/6V	35.0 ± 2.5	3.50 ± 0.25	5.26 ± 0.2	1.11E-05^b	2825^a	0.8	0.1	–0.1
Obj 20^d	WN8-9	35.0 ± 2.5	3.40 ± 0.25	6.23 ± 0.2	1.18E-04	1250 ± 50	1.0	1.0 ± 0.025	1.0 ± 0.2

Notes.

^(a)

Value adopted in the grid of models.

^(b)

Value scaled from the adopted in the grid to conserve the transformed radius (see text).

^(c)

Models selected from the grid.

^(d)

Models calculated to fit the particular spectrum.

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