first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC B C 0.510000 0.490000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC C 0.720 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC X Bus VIS Lin 2018P&SS..152..116L PHOT