first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC S Bus VIS Bus 2002Icar..158..146B SPEC S DeMeo-Carry VIS Carry PHOT S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT S 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC