first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.2197 0.1470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D C 0.1494 0.1470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT