first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L S 0.1584 0.5540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.8478 0.5540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT