first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D S 0.0945 0.0860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.2027 0.0860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT