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 S 0.31 Bus VIS Carvano 2010A&A...510A..43C PHOT S 0.967 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT X X 0.2504 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT