first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT V X 0.1042 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.3751 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT