first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.0447 0.0440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.08 Bus VIS Carvano 2010A&A...510A..43C PHOT X C 0.0240 0.0440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT