Parallax-based distances to Galactic H II regions: Nearby spiral structure

Open Access

Table A.1

Information of exciting stars.

H II region	Stars	Spectral	l	b	Ref.	Gaia DR3 ID	ϖ	µ_α	µ_δ	d_⊙
		Type	(°)	(°)			(mas)	(mas yr⁻¹)	(mas yr⁻¹)	(kpc)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)
G000.003+00.127	1	OB	0.00902058	0.1416196	Chen	4057487597750725376	0.3425±0.0511	0.128 ±0.055	−0.581 ±0.033	${2.63}_{- 0.32}^{+ 0.53}$ ${2.63_{ - 0.32}^{ + 0.53}}$
G000.003+00.127	–	OB	0.00592264	0.1296308	Chen	4057487529031245824	0.4595±0.0019	0.082 ± 0.02	−0.606 ± 0.012	${1.99}_{- 0.09}^{+ 0.07}$ ${1.99_{ - 0.09}^{ + 0.07}}$
G000.003+00.127	–	OB	0.00615124	0.133549	Chen	4057487524729379200	0.3965±0.021	0.136 ±0.023	−0.395 ± 0.014	${2.20}_{- 0.10}^{+ 0.11}$ ${2.20_{ - 0.10}^{ + 0.11}}$
G000.121-00.304	-	OB	0.12175563	−0.30479151	Chen	4057473407178966912	0.3509±0.0182	0.122 ±0.017	−0.611 ±0.011	${2.51}_{- 0.11}^{+ 0.15}$ $2.51_{ - 0.11}^{ + 0.15}$
G006.664-01.545	2	BO.5Vn	6.65730192	−1.53822774	Skiff^a	4066103267811109504	0.8120±0.0227	2.043 ± 0.025	−1.239 ±0.017	${1.19}_{- 0.03}^{+ 0.03}$ ${1.19_{ - 0.03}^{ + 0.03}}$
G017.315+00.389	3	OB	17.31811908	0.39089841	Chen	4152422554127130240	0.5222±0.0152	−0.16 ±0.016	−1.864 ±0.013	${1.85}_{- 0.05}^{+ 0.05}$ ${1.85_{ - 0.05}^{ + 0.05}}$
G018.253-00.298	4	O6V-O5V	18.26605645	−0.29873344	Simbad	4152566800618412928	0.2418±0.0178	0.073 ± 0.019	−1.466 ±0.015	${3.43}_{- 0.22}^{+ 0.20}$ ${3.43_{ - 0.22}^{ + 0.20}}$
G018.669+01.965	5	OB	18.68589962	1.97021693	Chen	4153878479319865472	0.4599±0.0242	−0.392 ± 0.025	−1.711 ±0.021	${2.03}_{- 0.09}^{+ 0.12}$ ${2.03_{ - 0.09}^{ + 0.12}}$
G018.669+01.965	–	OB	18.66782964	1.96907581	Chen	4153878449263407616	0.4992±0.0234	−0.618 ±0.024	−2.02 ± 0.02	${1.87}_{- 0.08}^{+ 0.10}$ ${1.87_{ - 0.08}^{ + 0.10}}$
G024.138+00.123	6	OB	24.13550601	0.1153291	Skiff^b	4156737621868942208	0.4292±0.014	0.108 ±0.015	−0.308 ±0.013	${2.18}_{- 0.06}^{+ 0.08}$ ${2.18_{ - 0.06}^{ + 0.08}}$
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Notes. The entire version in a machine-readable format is available at the CDS. Col. (1) is the H II region name given in Anderson et al. (2014); Cols (2), (3), (4), (5) and (6) are the exciting star name, spectral type, the coordinate of Galactic longitude, the coordinate of Galactic latitude and reference for star. Cols. (7), (8), (9) and (10) list the Gaia DR3 ID of matched source, Gaia parallax, proper motion in the RA direction and proper motion in the Dec direction. Col. (11) gives the adopted parallax-based distance.

Exciting star name: 1: 2MASS J17450537-2851166; 2: CD-23 13906; 3: UCAC4 382-102367; 4: 2MASS J18251808-1309427; 5: GSC 05685-04088; 6: [R63] 11

Ref.

Chen: Chen et al. (2019);

Skiff: Skiff (2014);

a.Herbst et al. (1982) b.Roslund (1963)

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