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 12

Influence of photometric (V−K) 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	0.50	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
	3400	3100	3500	2.0	1.0	4.0	0.00	–0.50	0.00	0.75	0.50	0.90	1	1	2
	3400	3000	3500	2.0	1.0	4.0	0.00	–0.50	0.00	0.75	0.50	0.92	1	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
	3500	3500	3600	0.0	0.0	1.0	–0.50	–0.50	0.00	0.75	0.50	0.90	1	1	1
	3600	3500	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
	3100	3100	3200	0.0	0.0	0.0	0.00	–0.50	0.00	0.90	0.50	0.90	1	0	1
	3300	2900	3400	0.0	0.0	3.0	–0.50	–0.50	0.00	0.92	0.75	0.92	0	0	0

Notes. Each star has three atmospheric-parameter estimates, based on V−K (first line), V + σ(V)−K (second line) and V−σ(V)−K (third line). 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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