first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT C C 0.6921 0.6921 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.455 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT