first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
S				Tholen	VIS	Clark	1995Icar..113..387C	PHOT
S		0.970000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
S		0.990000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
S		1.000000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
Sq				Bus	VIS	Bus	2002Icar..158..146B	SPEC
Sr				Bus-DeMeo	VISNIR	DeMeo	2009Icar..202..160D	SPEC
Sr				Bus-DeMeo	VISNIR	Gietzen	2012M&PS...47.1789G	SPEC