first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q S 0.690000 0.300000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sr Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC Sr Bus-DeMeo VISNIR Popescu 2019A&A...627A.124P SPEC