first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method CX 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT X 0.279 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT