The properties of ten O-type stars in the low-metallicity galaxies IC 1613, WLM, and NGC 3109

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Table 2

Observational properties of the target stars.

ID^a	ID	RA	Dec	V ^b	Spectral type	M _V	RV
This work	Previous	(J2000)	(J2000)				km s^-1

IC 1613-1 (I1)^1,3	A13	01 05 06.21	+02 10 44.8	19.02	O3.5 V((f))	−5.55	−240
IC 1613-2 (I2)^1,3	A15	01 05 08.74	+02 10 01.1	19.35	O9.5 III	−5.11	−240
IC 1613-3 (I3)^1,3	B11	01 04 43.82	+02 06 46.1	18.68	O9.5 I	−5.84	−240
IC 1613-4 (I4)^1,3	C9	01 04 38.63	+02 09 44.4	19.02	O8 III((f))	−5.44	−265
IC 1613-5 (I5)^2,3	B7	01 05 01.95	+02 08 06.5	18.99	O9 I	−5.29	−214
WLM-1 (W1)^1,4	A11	00 01 59.97	−15 28 19.2	18.40	O9.7 Ia	−6.83 ^c	−135
NGC 3109-1 (N1)^1,5	20	10 03 03.22	−26 09 21.4	19.33	O8 I	−6.67	407
NGC 3109-2 (N2)^2,5	33	10 03 02.45	−26 09 36.11	19.57	O9 If	−6.41	504
NGC 3109-3 (N3)^2,5	34	10 03 14.24	−26 09 16.96	19.61	O8 I(f)	−6.39	415
NGC 3109-4 (N4)^2,5	35	10 03 13.65	−26 09 55.76	19.70	O8 I(f)	−6.28	386

Notes.

^(a)

In some figures we use the short notation between brackets.

^(b)

V-magnitudes from (3), (4), and (5).

^(c)

The value of −6.35 listed in Paper I is a typo. The correct value was used in the analysis.

Reference. (1) Paper I; (2) this work; (3) Bresolin et al. (2007); (4) Bresolin et al. (2006); (5) Evans et al. (2007).

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