first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C S 0.580000 0.230000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT C S 0.586000 0.223000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT X 0.486 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT