first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C S 0.648000 0.270000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT C S 0.652000 0.263000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT S 0.889 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT