first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D X 0.2390 0.1570 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S X 0.1410 0.1570 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT