first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC B 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC V D 0.0168 0.0060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT