first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.0672 0.0510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D C 0.0577 0.0510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT