first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L S 0.0815 0.2660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.4968 0.2660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT