first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC D Bus VIS Lazzaro 2004Icar..172..179L SPEC D Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC D Tholen VIS Lazzaro 2004Icar..172..179L SPEC