first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.20 Bus VIS Carvano 2010A&A...510A..43C PHOT D D 0.4528 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X D 0.1638 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT