first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.8935 0.8980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.9016 0.8980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT