first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.3515 0.3515 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S X 0.738000 0.197000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT S X 0.754000 0.188000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT