first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L S 0.2180 0.2910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.4146 0.2910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT