first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method T Bus VIS Lazzaro 2004Icar..172..179L SPEC T Tholen VIS Lazzaro 2004Icar..172..179L SPEC X X 0.6454 0.6454 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT Z A 0.750000 0.220000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC