first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.563000 0.408000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT S Kl Movis NIR Popescu 2018A&A...617A..12P PHOT X X 0.2476 0.2476 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT