first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.96 Bus VIS Carvano 2010A&A...510A..43C PHOT C X 0.4266 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.5634 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT