first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT C C 0.5760 0.3520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X C 0.2617 0.3520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT