12C/13C of Kepler giant stars: The missing piece of the mixing puzzle

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Table 2.

Properties of the star samples used in this study.

Reference	Number of stars	[Fe/H] range	Mass ^(a) range
	with ¹²C/¹³C	(dex)	(M_⊙)
Gratton et al. (2000)	54	[−1.75;–0.64]	[0.87;1.70]
Charbonnel & Balachandran (2000)	13	[−0.46;0.09]	[1.1;4.5] ^(b)
Tautvaišienė et al. (2010)	30	[−0.60;0.18]	[1.02;2.45]
Tautvaišienė et al. (2013)	25	[−0.30;0.17]	[0.85;1.32]
Morel et al. (2014)	4	[−0.67;0.11]	[1.0;1.13]
Takeda et al. (2019)	214 ^(c)	[−0.74;0.19]	[0.92;3.5]
Aguilera-Gómez et al. (2023)	134	[−0.56;0.31]	[0.92;4.15]

This study	71	[−0.67;0.32]	[0.86;2.2]

Notes.

^(a)

Stellar masses are computed with SPInS when asteroseismic values are not available.

^(b)

Masses are derived by authors using isochrone fitting.

^(c)

91 with class A and B.

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