first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B C 0.0953 0.0590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S C 0.1142 0.0590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT