first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.3009 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S D 0.2726 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT