first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT S X 0.1459 0.1650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.2686 0.1650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT