first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.5582 0.4000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.6740 0.4000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X S 0.2681 0.4000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT