first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C B 0.0120 0.0060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V B 0.0239 0.0060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT