first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus VIS Lazzaro 2004Icar..172..179L SPEC B 0.540 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C Tholen VIS Lazzaro 2004Icar..172..179L SPEC C 0.970000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC