first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B X 0.1068 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.4674 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT