The Gaia-ESO Survey: Calibration strategy | Astronomy & Astrophysics (A&A)

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Table 5

Additional M-dwarf benchmark stars, with their magnitudes and spectral type from SIMBAD, metallicities as noted, and T_eff from Boyajian et al. (2012).

ID	Type	V	[Fe/H]	T_eff	Status
		(mag)	(dex)	(K)

GJ 205	M1.5V	7.97	+0.35^a	3801	iDR3
GJ 436	M3V	10.59	+0.03^b	3416	iDR4
GJ 526	M1.5V	8.50	–0.30^a	3618	iDR4
GJ 551^c	M5.5V	11.05	+0.24^d	3054	–
GJ 581	M2.5V	10.61	–0.02^b	3442	iDR4
GJ 699	M4V	9.51	–0.39^a	3224	iDR3
GJ 880	M1.5V	8.64	+0.03^e	3713	iDR2

Notes.

^(a)

Metallicity from Rojas-Ayala et al. (2012).

^(b)

Metallicity from Lindgren et al. (2016).

^(c)

Not observed yet, we rely on UVES archival data.

^(d)

Metallicity from Jofré et al. (2014), considering α Cen A and B.

^(e)

Metallicity from Neves et al. (2014).

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