first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.1744 0.1520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S D 0.2377 0.1520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT