first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.73 Bus VIS Carvano 2010A&A...510A..43C PHOT C 0.897 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT