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 0.5079 0.5079 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT L M 0.610000 0.390000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC M S 0.760000 0.210000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S Tholen VIS Alvarez-Candal 2006A&A...459..969A SPEC X Tholen VIS Xu 1995Icar..115....1X SPEC X 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT