first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.5960 0.4260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT X C 0.2383 0.4260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT