first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L S 0.4141 0.3580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.3598 0.3580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT