first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT K K 0.3444 0.3444 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT X 0.669 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT