first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT Q 0.45 Bus VIS Carvano 2010A&A...510A..43C PHOT V V 0.6739 0.6739 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT