first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
C		0.26		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
K				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
X	X	0.3874	0.3874	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT