first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K S 0.4154 0.5410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.6784 0.5410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.237 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT