first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.951 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C C 0.0236 0.0150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT