first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT X 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.6607 0.6607 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S X 0.786000 0.214000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT