first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C X 0.0457 0.0670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D X 0.1234 0.0670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT