first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.3355 0.3940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D D 0.4521 0.3940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT