first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.1312 0.5170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.6246 0.5170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT