first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus VIS Bus 2002Icar..158..146B SPEC C Bus-DeMeo NIR de Leon 2012Icar..218..196D SPEC C 0.940000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Cx Howell VISNIR Howell 1994JGR....9910847H PHOT X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT