first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method M X 0.360000 0.220000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC M X 0.370000 0.200000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Xe Bus VIS Binzel 2019Icar..324...41B SPEC Xe Bus VIS Lazzarin 2004Icar..169..373L SPEC