first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C S 0.0128 0.1740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.2606 0.1740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT