first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.5787 0.5730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V C 0.0314 0.5730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT