first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L S 0.3404 0.2770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.3572 0.2770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT