first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D 0.32 Bus VIS Carvano 2010A&A...510A..43C PHOT D X 0.4454 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.5023 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT