A grid of MARCS model atmospheres for late-type stars - II. S stars and their properties

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Volume 601 (May 2017)

A&A, 601 (2017) A10

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Table 11

Impact of spectroscopic variability on the stellar parameters.

Star	T_eff	–	+	log g	–	+	[Fe/H]	–	+	C/O	–	+	[s/Fe]	–	+
Hen 4-	(K)			(dex)			(dex)						(dex)

147	3700	3600	3700	1.0	0.0	1.0	0.00	–0.50	0.00	0.50	0.50	0.50	1.	1.	1.
	3700	3600	3700	1.0	0.0	1.0	0.00	–0.50	0.00	0.50	0.50	0.75	1.	1.	1.

121	3400	3100	3500	2.0	1.0	3.0	0.00	–0.50	0.00	0.75	0.50	0.90	1.	1.	2.
	3300	3000	3400	3.0	1.0	4.0	0.0	–0.50	0.00	0.90	0.50	0.90	2.	1.	2.

134	3600	3500	3600	0.0	0.0	0.0	–0.50	–0.50	–0.50	0.50	0.50	0.75	1.	1.	1.
	3600	3600	3600	0.0	0.0	0.0	–0.50	–0.50	–0.50	0.50	0.50	0.75	1.	1.	1.

125	3300	2800	3300	0.0	0.0	4.0	0.00	–0.50	0.00	0.90	0.75	0.92	0.	0.	1.
	3500	3300	3600	0.0	0.0	1.0	–0.50	–0.50	0.00	0.75	0.50	0.97	1.	1.	1.

Notes. Parameters of S stars were derived using either Boller & Chivens (upper line) or HERMES (lower line, italic) spectra. The “–” and “+” columns list the parameter range induced because of the grid discretization and degeneracy, as described in Sects. 4.2.1 and 4.2.2.

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