first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Q 0.520000 0.470000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sq Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC V V 0.0324 0.0220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT