Stellar ages, masses, and radii from asteroseismic modeling are robust to systematic errors in spectroscopy

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201834461e]

Table 1.

Parameter ranges for the grid of stellar models.

Parameter	Symbol	Range	Solar value
Mass	M/M_⊙	(0.7, 1.8)	1
Mixing length	α_MLT	(1, 3)	1.85
Initial helium	Y₀	(0.22, 0.34)	0.273
Initial metallicity	Z₀	(0.0001, 0.04)^a	0.019
Overshoot	α_ov	(0.0001, 1)^a	–
Undershoot	α_us	(0.0001, 1)^a	≤0.05^b
Diffusion factor	D	(0.0001, 3)^a	1
Eff. temperature	T_eff	(4000, 14 000)	5772
Metallicity	[Fe/H]	(−2.2, 0.44)	0

Notes. For reference, values corresponding to a solar-calibrated model and also the derived initial spectroscopic parameter ranges are listed as well.

^(a)

Varied logarithmically.

^(b)

Basu (1997).

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