first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.1272 0.1272 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C X 0.866000 0.131000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT