first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V X 0.0446 0.1740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.1825 0.1740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT