first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
S	S	0.5621	0.5621	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
SQ		0.11		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT