first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.5012 0.3870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S D 0.4207 0.3870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT