first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S C 0.0679 0.1040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C C 0.2128 0.1040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT