Fundamental M-dwarf parameters from high-resolution spectra using PHOENIX ACES models - I. Parameter accuracy and benchmark stars

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Table 3

Parameters for benchmark stars with interferometric radii.

Object	Sp	T_eff [K]^b	log g ^b	[Fe/H]^a		log g^fit	[Fe/H]^fit

GJ411	M2.0	3570 ± 42	4.85 ± 0.03	−0.35 ± 0.08	3565 ± 40	4.84 ± 0.18	+ 0.00 ± 0.14
GJ699	M4.0	3163 ± 65	5.05 ± 0.09	−0.52 ± 0.08	3218 ± 35	5.25 ± 0.14	−0.13 ± 0.11
GJ551	M5.5	3042 ± 117	5.20 ± 0.23	+ 0.00 ± 0.08	2927 ± 40	5.02 ± 0.18	−0.07 ± 0.14

Notes. Columns 3–5: literature values; Cols. 6–9: parameters determined from our model fit.

^(a)

Neves et al. (2013).

^(b)

Ségransan et al. (2003).

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