first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K Bus-DeMeo VISNIR Clark 2009Icar..202..119C SPEC M Tholen VIS Clark 1995Icar..113..387C PHOT M K 0.770000 0.190000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC X Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT Xk Bus VIS Bus 2002Icar..158..146B SPEC