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 0.890000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Cb Bus VIS Lazzaro 2004Icar..172..179L SPEC Cx Howell VISNIR Howell 1994JGR....9910847H PHOT T Bus VIS Luo 2024AJ....167...13L SPEC T Bus VIS Luo 2024AJ....167...13L SPEC X 0.972 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT