first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT V V 0.6791 0.2680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X V 0.1070 0.2680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT