first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S D 0.0866 0.0660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X D 0.0928 0.0660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT