first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C D 0.0172 0.0190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D D 0.0207 0.0190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT