first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B C 0.5427 0.5230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C C 0.6794 0.5230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT