first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT C X 0.3537 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.3634 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT