first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q 0.900000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S-complex Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC S Tholen VISNIR Bell 1988Icar...73..482B SPEC S 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S 0.940000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sq Bus-DeMeo VISNIR McGraw 2022PSJ.....3..243M SPEC Sq Bus-DeMeo VISNIR Popescu 2014A&A...572A.106P SPEC