first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method M Tholen VIS Clark 1995Icar..113..387C PHOT M 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC X Bus VIS Bus 2002Icar..158..146B SPEC X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT