first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC S 0.651 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC U Bus VISNIR Binzel 2004Icar..170..259B SPEC