first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.0273 0.0230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V C 0.0154 0.0230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT