first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT C 0.627 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.3104 0.2770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT