first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT V X 0.1715 0.3530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.3624 0.3530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT