first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S D 0.739000 0.149000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT S D 0.747000 0.150000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT X X 0.5360 0.5360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT