first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.1332 0.1100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V C 0.1984 0.1100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT