first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method X 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT X X 0.4219 0.4219 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT X Tholen VIS Alvarez-Candal 2006A&A...459..969A SPEC