first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S-complex Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC S Tholen VIS Hasegawa 2018PASJ...70..114H SPEC S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sw Bus-DeMeo VISNIR Hasegawa 2018PASJ...70..114H SPEC