first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.27 Bus VIS Carvano 2010A&A...510A..43C PHOT S 0.992000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT S S 0.7944 0.7944 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT