first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.5860 0.5270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.6904 0.5270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X S 0.0824 0.5270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT