first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
P	M	0.730000	0.270000	Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
X				Bus	VIS	Bus	2002Icar..158..146B	SPEC
X	X	0.8691	0.3670	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT