Gaia-ESO survey: Massive stars in the Carina Nebula - II. The spectroscopic analysis of the O-star population

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Table A.1

Spectroscopic parameters for the O stars analyzed in this work and for which high-resolution spectra are available.

Name	SpT	Sp source	Line	vsini [km s⁻¹]	vmac [km s⁻¹]	T_eff [kK]	log g [dex]	log g_true [dex]	−log Q [dex]	Y(He) [10⁻² dex]
HD 93 250 A,B	O4 IV (fc)	LiLiMaRlin- OWN	O III	70	84	45.0±0.8	3.86±0.07	${3.86}_{- 0.07}^{+ 0.07}$ $3.86_{ - 0.07}^{ + 0.07}$	12.51±0.21	10.4±2.5
HD 93 160 A,B	O7 III ((f))	LiLiMaRlin- OWN	O III	120	64	36.6±0.7	3.79±0.12	${3.80}_{- 0.12}^{+ 0.12}$ $3.80_{ - 0.12}^{ + 0.12}$	12.65±0.10	<6.8
HD 93 222 A,B	O7 V ((f))	LiLiMaRlin- OWN	O III	50	90	36.9±0.5	3.68±0.05	${3.68}_{- 0.05}^{+ 0.05}$ $3.68_{ - 0.05}^{ + 0.05}$	12.98±0.25	10.3±2.5
HDE 303 308 A,B	O4.5 V ((fc))	LiLiMaRlin- OWN	O III	85	67	41.2±0.9	3.90±0.07	${3.90}_{- 0.07}^{+ 0.07}$ $3.90_{ - 0.07}^{ + 0.07}$	12.74±0.20	<6.9
HD 93 249 A	O9 III	GES - UVES	O III	106	53	32.1±1.0	3.41±0.11	${3.42}_{- 0.11}^{+ 0.11}$ $3.42_{ - 0.11}^{ + 0.11}$	12.96±0.45	<7.9
HD 93 028	O9 IV	LiLiMaRlin- OWN	O III	25	55	35.0±0.5	3.87±0.06	${3.87}_{- 0.06}^{+ 0.06}$ $3.87_{ - 0.06}^{ + 0.06}$	13.30±0.33	9.5±2.5
HD 93 146 A	O7 V ((f))	LiLiMaRlin- OWN	O III	60	67	38.6±0.7	3.85±0.08	${3.85}_{- 0.08}^{+ 0.08}$ $3.85_{ - 0.08}^{ + 0.08}$	12.88±0.25	<10.3
HD 93 204	O5.5 V ((f))	GES - UVES	O III	112	98	38.9±0.5	3.61±0.07	${3.62}_{- 0.07}^{+ 0.07}$ $3.62_{ - 0.07}^{ + 0.07}$	12.95±0.25	13.5±2.8
HDE 305 523	O9 II-III	LiLiMaRlin- OWN	O III	57	78	32.6±0.5	3.47±0.06	${3.47}_{- 0.06}^{+ 0.06}$ $3.47_{ - 0.06}^{ + 0.06}$	12.90±0.25	9.9±2.5
CPD -59 2600	O6V ((f))	GES - UVES	O III	121	112	38.2±0.6	3.84±0.07	${3.85}_{- 0.07}^{+ 0.07}$ $3.85_{ - 0.07}^{ + 0.07}$	12.75±0.25	<6.8
HD 93 161 B	O6.5 IV ((f))	GES - UVES	O III	100	105	38.1±1.1	3.72±0.13	${3.73}_{- 0.13}^{+ 0.13}$ $3.73_{ - 0.13}^{ + 0.13}$	12.65±0.11	9.9±3.0
HD 93 128	O3.5 V ((fc))z	LiLiMaRlin- OWN	O III	58	56	49.0±2.0	4.03±0.09	${4.03}_{- 0.09}^{+ 0.09}$ $4.03_{ - 0.09}^{ + 0.09}$	12.72±0.22	10.1±2.5
HD 93 027	O9.5 IV	GES - UVES	O III	49	56	34.1±0.5	4.03±0.09	${4.03}_{- 0.09}^{+ 0.09}$ $4.03_{ - 0.09}^{ + 0.09}$	12.93±0.25	9.5±2.5
HD 93 129 B	O3.5 V ((f))z	LiLiMaRlin- OWN	O III	66	62	46.8±1.2	3.93±0.06	${3.93}_{- 0.06}^{+ 0.06}$ $3.93_{ - 0.06}^{ + 0.06}$	12.75±0.26	10.3±2.5
HDE 303 311	O6 V ((f))z	LiLiMaRlin- OWN	O III	47	61	40.7±0.7	3.98±0.09	${3.98}_{- 0.09}^{+ 0.09}$ $3.98_{ - 0.09}^{ + 0.09}$	13.72±0.99	10.4±2.5
HDE 305 524	O6.5 V n((f))z	GES - UVES	O III	308	110	36.8±0.6	3.57±0.06	${3.65}_{- 0.05}^{+ 0.07}$ $3.65_{ - 0.05}^{ + 0.07}$	>12.71	11.1±2.5
CPD -59 2551	O9 V	LiLiMaRlin- OWN	O III	124	92	34.8±0.5	3.89±0.05	${3.90}_{- 0.05}^{+ 0.05}$ $3.90_{ - 0.05}^{ + 0.05}$	13.75±0.61	10.8±2.5
CPD -58 2611	O6 V ((f))z	LiLiMaRlin- OWN	O III	39	73	40.0±0.5	3.90±0.05	${3.90}_{- 0.05}^{+ 0.05}$ $3.90_{ - 0.05}^{ + 0.05}$	13.36±0.54	10.4±2.5
CPD -59 2624	O9.7 V	GES - Giraffe	Si III	20	30	32.5±0.9	4.10±0.15	${4.10}_{- 0.15}^{+ 0.15}$ $4.10_{ - 0.15}^{ + 0.15}$	<13.52	<7.9
CPD -59 2626 A,B	O7.5 V (n)	GES - Giraffe	He I	265	130	36.0±0.5	3.80±0.06	${3.84}_{- 0.05}^{+ 0.06}$ $3.84_{ - 0.05}^{ + 0.06}$	13.69±0.70	<6.8
ALS 15 196	O8.5 V	LiLiMaRlin- OWN	O III	66	41	36.3±0.5	4.03±0.05	${4.03}_{- 0.05}^{+ 0.05}$ $4.03_{ - 0.05}^{ + 0.05}$	13.19±0.25	10.0±2.5
CPD -59 2644	O9 V	GES - Giraffe	Si III	156	8	34.1±0.5	3.89±0.05	${3.90}_{- 0.05}^{+ 0.05}$ $3.90_{ - 0.05}^{ + 0.05}$	>13.52	10.4±2.5
HDE 305 532	O6.5 V ((f))z	LiLiMaRlin- OWN	O III	51	53	39.0±0.5	3.80±0.05	${3.80}_{- 0.05}^{+ 0.05}$ $3.80_{ - 0.05}^{ + 0.05}$	13.30±0.48	10.8±2.5
CPD -59 2627	O9.5 IV	GES - Giraffe	Si III	23	38	34.7±0.7	4.00±0.13	${4.00}_{- 0.13}^{+ 0.13}$ $4.00_{ - 0.13}^{ + 0.13}$	13.44±0.46	9.5±2.5
CPD -58 2627	O9.5 V (n)	GES - Giraffe	Si III	306	15	33.1±0.5	3.93±0.10	${3.97}_{- 0.09}^{+ 0.09}$ $3.97_{ - 0.09}^{ + 0.09}$	>13.32	14.2±2.5
CPD -59 2673	O5.5 V (n)((f))z	GES - Giraffe	He I	258	12	40.6±0.8	3.78±0.05	${3.82}_{- 0.05}^{+ 0.05}$ $3.82_{ - 0.05}^{ + 0.05}$	>12.65	9.5±2.5
ALS 15 210	O3.5 I f*Nwk	GES - Giraffe	N V	93	84	38.8±1.1	3.58±0.11	${3.59}_{- 0.11}^{+ 0.11}$ $3.59_{ - 0.11}^{ + 0.11}$	12.47±0.14	<9.2
CPD -58 2625	O9.5 V	GES - Giraffe	Si III	27	58	34.7±0.7	3.99±0.14	${3.99}_{- 0.14}^{+ 0.14}$ $3.99_{ - 0.14}^{ + 0.14}$	>12.95	10.2±2.5
CPD -59 2629	O8.5 Vp	GES - Giraffe	Si III	15	20	37.5±0.8	>4.10	>4.0	12.75±0.27	<6.8
ARV2008-206	O6V ((f))	GES - Giraffe	He I	134	5	40.2±1.2	3.96±0.10	${3.97}_{- 0.10}^{+ 0.10}$ $3.97_{ - 0.10}^{ + 0.10}$	>12.98	<12.0
Tyc 8626-02506-1	O9 V (n)	GES - Giraffe	He I	223	0	35.7±0.8	4.15±0.16	${4.11}_{- 0.15}^{+ 0.16}$ $4.11_{ - 0.15}^{ + 0.16}$	>13.44	10.6±2.5
2MASS J10460477-5949217	O9.7 V (n)	GES - Giraffe	Si III	233	10	31.6±0.7	4.15±0.11	${4.16}_{- 0.11}^{+ 0.11}$ $4.16_{ - 0.11}^{ + 0.11}$	>13.07	10.7±2.5
2MASS J10453807-5944095	O8 V z	GES - Giraffe	He I	30	57	36.8±1.2	4.00±0.23	${4.00}_{- 0.23}^{+ 0.23}$ $4.00_{ - 0.23}^{ + 0.23}$	>12.90	10.0±2.5
ESK2003-148	O9.2 V (n)	GES - Giraffe	He I	216	207	33.3±3.1	3.80±0.40	${3.82}_{- 0.38}^{+ 0.38}$ $3.82_{ - 0.38}^{ + 0.38}$	>12.88	<22.0
2MASS J10443089-5914461	O7.5 II (f)	GES - Giraffe	He I	110	100	34.9±2.0	3.54±0.25	${3.55}_{- 0.24}^{+ 0.24}$ $3.55_{ - 0.24}^{ + 0.24}$	12.67±0.17	11.9±5.1
2MASS J10453185-6000293	O8.5 V	GES - Giraffe	He I	183	91	34.8±3.7	3.80±0.30	${3.82}_{- 0.29}^{+ 0.29}$ $3.82_{ - 0.29}^{ + 0.29}$	>12.93	<17.0
HD 93 130	O6.5 III (f)	LiLiMaRlin- OWN	O III	74	70	38.1±0.5	3.86±0.09	${3.86}_{- 0.09}^{+ 0.09}$ $3.86_{ - 0.09}^{ + 0.09}$	12.65±0.10	<6.8

Notes: Uncertainties for vsini are in the range 10-20%. Column labeled ’Line’ indicates the line used to derive the rotational parameters.

Lines O III: O III 5592; Si III: Si III 4552; He I: He I 4713,4471; He II: He II 4542; Nv: N v 4603, 4620 g_true = g + g_cent = g + ( V_rotsini)² / R_*.

ARV2008-217 (an O3: III:(n) star, see Berlanas et al. (2023)) has been not included in the analysis due to its noisy spectrum.

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