first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC Q 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Q S 0.810000 0.190000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S-complex Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC Sq Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC