The atmospheric structure and fundamental parameters of the red supergiants AH Scorpii, UY Scuti, and KW Sagittarii

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Table 3

Fundamental parameters of AH Sco, UY Sct, and KW Sgr.

Parameter	AH Sco	UY Sct	KW Sgr	Ref.

f _bol	2.07 ± 0.41	1.28 ± 0.19	0.97 ± 0.15	1
(10^-9 W m^-2)
d (pc)	2260 ± 190	2900 ± 317	2400 ± 300	2
L (10³² W)	1.26 ± 0.33	1.29 ± 0.34	0.67 ± 0.20	3
log (L/L_⊙)	5.52 ± 0.26	5.53 ± 0.27	5.24 ± 0.29	–
θ_Ross (mas)	5.81 ± 0.15	5.48 ± 0.10	3.91 ± 0.25	4
R(R_⊙)	1411 ± 124	1708 ± 192	1009 ± 142	5
T_eff (K)	3682 ± 190	3365 ± 134	3720 ± 183	6
log (T_eff)	3.57 ± 0.05	3.53 ± 0.04	3.57 ± 0.05	–

Notes.1) Humphreys & Ney (1974), Kharchenko (2001), Cutri et al. (2003), IRAS (1986); 2) Chen & Shen (2008), (AH Sco), Sylvester et al. (1998), (UY Sct), Melnik & Dambis (2009), (KW Sgr); 3) from 2 and 1; 4) this work; 5) from 4 and 2; 6) from 5 and 3.

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