Age and helium content of the open cluster NGC 6791 from multiple eclipsing binary members - II. Age dependencies and new insights

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Table 2

Solar calibration values obtained for each stellar model.

Code	Element mix	Diffusion	Z_i^d	Y_i^d	α_MLT

Victoria	AGS09^a	Y,Tx^b	0.01323	0.2553	2.005
Victoria	GS98^a	Y,Tx^b	0.01652	0.2661	2.007
DSEP	GS98^a	Y,Z	0.01875	0.2743	2.139
DSEP	GS98^a	Y,Z,T60^c	0.01875	0.2743	2.139
DSEP	GS98^a	Y,Z,T65^c	0.01749	0.2685	2.087

Notes. Calibrations were done using surface boundary conditions according to Krishna Swamy (1966).

^(a)

AGS09: Asplund et al. (2009), GS98: Grevesse & Sauval (1998)

^(b)

turbulence is included, details in Vandenberg et al. (2012).

^(c)

turbulence is included, details in Feiden et al. (2011).

^(d)

Z_i and Y_i refer to the initial value of metal and helium mass fractions.

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