Quantitative spectroscopy of Galactic BA-type supergiants - I. Atmospheric parameters

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Volume 543 (July 2012)

A&A, 543 (2012) A80

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Table 6

Spectral type–T_eff–(B − V)₀–(b − y)₀ scales & B.C. values for Galactic BA-type supergiants.

	Reference values from literature						This work^e

Sp. T.	T _eff ^a	(B − V)₀^a	T _eff ^b	(B − V)₀^b	(b − y)₀^c	B . C . ^a,b,d	T _eff	(B − V)₀	(b − y)₀	B . C .
	K	mag	K	mag	mag	mag	K	mag	mag	mag

B6	13 000	−0.08	...	...	...	−0.76	...	...	...	...
B7	12 200	−0.05	...	...	...	−0.66	...	...	...	...
B8	11 200	−0.03	11 100	−0.03	...	−0.54	12 200 ± 410	−0.09 ± 0.01	0.001 ± 0.009	−0.66 ± 0.08
B9	10 300	−0.02	...	...	...	−0.40	10 920 ± 220	−0.06 ± 0.02	0.011 ± 0.012	−0.31 ± 0.04
A0	9730	−0.01	9980	−0.01	0.032 ± 0.019	−0.29	9840 ± 290	−0.05 ± 0.01	0.017 ± 0.013	−0.19 ± 0.05
A1	9230	0.02	...	...	...	−0.20	9240 ± 80	−0.01 ± 0.02	0.043 ± 0.014	−0.09 ± 0.03
A2	9080	0.03	9380	0.03	0.051 ± 0.011	−0.16	8960 ± 200	0.00 ± 0.02	0.051 ± 0.015	−0.03 ± 0.05
A3	8770	0.06	...	...	0.074 ± 0.021	−0.09	8430 ± 60	0.01 ± 0.01	0.056 ± 0.005	+0.08 ± 0.02
A5	8510	0.09	8610	0.09	0.062 ± 0.017	−0.01	...	...	...	...

Notes.

^(a)

Schmidt-Kaler (1982);

^(b)

Cox (2000);

^(c)

Gray (1992), for LC Ib;

^(d)

corrected by to match the zeropoint of the present work;

^(e)

see Sects. 5.1−5.4 for a discussion.

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