first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.1393 0.1640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C C 0.1984 0.1640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT