first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
B				Bus	VIS	Bus	2002Icar..158..146B	SPEC
B	C	0.580000	0.420000	Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
C		0.164		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT