first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.4711 0.3330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X D 0.3556 0.3330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT