first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L D 0.1141 0.0830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X D 0.0702 0.0830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT