first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.27 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.8718 0.4370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X S 0.4853 0.4370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT