first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B C 0.0969 0.2820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C C 0.3189 0.2820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT