first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC C B 0.500000 0.500000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC C X Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC