first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.0353 0.9690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.9793 0.9690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT