first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.128 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.3295 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.2058 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT