first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
M				Fornasier	VIS	Fornasier	2011Icar..214..131F	SPEC
M				Howell	VISNIR	Howell	1994JGR....9910847H	PHOT
M	K	0.720000	0.160000	Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
X	X	0.0526		Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
Xc				Bus	VIS	Bus	2002Icar..158..146B	SPEC
Xc				Bus	VIS	Fornasier	2011Icar..214..131F	SPEC
Xk				Bus-DeMeo	VISNIR	DeMeo	2009Icar..202..160D	SPEC
Xk				Bus-DeMeo	VISNIR	Fornasier	2011Icar..214..131F	SPEC