first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C Bus VIS Bus 2002Icar..158..146B SPEC C Bus VIS Lazzaro 2004Icar..172..179L SPEC C Tholen VIS Lazzaro 2004Icar..172..179L SPEC P C 0.740000 0.130000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S M 0.380000 0.300000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC X 0.971 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT