Open Access

Table A.1.

Low-gravity decision boundary for the three inspected gravity-sensitive spectral indices: HPI (Scholz et al. 2013), TLI-g (Almendros-Abad et al. 2022) and WH (Weights et al. 2009).

SpT HPI TLI-g WH
M0 0.883 0.999 1.07
M0.5 0.892 1.003 1.067
M1 0.9 1.006 1.063
M1.5 0.909 1.009 1.059
M2 0.917 1.011 1.054
M2.5 0.924 1.012 1.048
M3 0.93 1.013 1.042
M3.5 0.936 1.013 1.035
M4 0.943 1.011 1.027
M4.5 0.952 1.01 1.018
M5 0.965 1.006 1.009
M5.5 0.985 1.002 0.999
M6 1.013 0.997 0.988
M6.5 1.049 0.991 0.977
M7 1.091 0.985 0.966
M7.5 1.134 0.978 0.954
M8 1.175 0.972 0.942
M8.5 1.211 0.966 0.93
M9 1.243 0.962 0.918
M9.5 1.274 0.958 0.906
L0 1.306 0.955 0.894
L0.5 1.341 0.953 0.884
L1 1.383 0.95 0.873
L1.5 1.439 0.948 0.864
L2 1.505 0.945 0.855

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