first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.4548 0.4880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.6225 0.4880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT