first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
S				Bus	VIS	Binzel	2019Icar..324...41B	SPEC
S				Tholen	VIS	Binzel	2001Icar..151..139B	SPEC
S		0.960000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC