first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C Tholen VIS Lazzaro 2004Icar..172..179L SPEC C P 0.740000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC X Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC