first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method X C 0.0376 0.3540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C C 0.3636 0.3540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT