Shaping the interstellar medium through expanding H I shells

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Table 4

Main parameters of massive stars with confirmed spectral types.

Area	SIMBAD id	Gaia–2MASS id	ST	STa	E(B − V)c	Gaiadc
					(mag)	(kpc)
A1

	HD 240171	23024450+5708335	B1V	B1.0V	0.5	2.1±0.1

A2

	[RHM2011] 5	22584708+5846201	B2V	B2.0V	1.6	2.4^+0.2–0.1
	[RHM2011] 4	22584222+5845458	B2-3V	B2.0V	1.5	2.4^+0.3–0.2
	[RHM2011] 3	22584219+5845330	B2-3V	B2.0V	1.9	${2.5}_{- 0.2}^{+ 0.3}$ $Mathematical equation: $\[2.5_{-0.2}^{+0.3}\]$$

A3

	Cl* Mrk 50 BVC 6	23151321+6026216	B1.5V	B1.5V	0.9	2.8±0.1
	Cl Basel 31	23145990+6027154	B1.5V	B1.5V	0.7	2.8±0.1
	Cl Basel 330	23151440+6026182	B2V	B2.0V	0.8	2.7±0.1
	Cl Basel 325	23151644+6026217	B3V	83.0V	0.8	3.1^+0.2–0.1
	Cl Basel 324	23151811+6026054	B8V	B8.0V	0.7	2.5^+0.3–0.2

A4

	2MASS J23133024+6130103	23133024+6130103	O9.5V+BO.5V	O9.5V	1.8	2.9±0.1
	TYC 4279-1463-1	23133438+6130146	O3.5V((f*))+O9.5V	O3.5V	1.6	${2.8}_{- 0.2}^{+ 0.1}$ $Mathematical equation: $\[2.8_{-0.2}^{+0.1}\]$$

Notes. Table lists stars with confirmed spectral types located in each of four analysed areas and within adopted distance range. Only stars of luminosity class V are included. The columns give the area identification, SIMBAD and Gaia-2MASS source names, the ST, the ST adopted for the calculations, the derived E(B-V), and the geometric distance with its uncertainty as determined by Bailer-Jones et al. (2021).

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