first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
C	M	0.400000	0.330000	Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
X		0.956		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
Xc				Bus	VIS	Bus	2002Icar..158..146B	SPEC