first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.0989 0.0320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S X 0.0695 0.0320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT