first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.761000 0.231000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT C X 0.775000 0.217000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT