first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.0372 0.0330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V C 0.0160 0.0330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT