first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
M		0.940000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
Xk				Bus-DeMeo	NIR	Marsset	2022AJ....163..165M	SPEC