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 S 0.870000 0.100000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Cb Bus VIS Lazzaro 2004Icar..172..179L SPEC P C 0.900000 0.100000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Xc Bus VIS Bus 2002Icar..158..146B SPEC