first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.4760 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S D 0.3132 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT