first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V Bus-DeMeo VISNIR Thomas 2014Icar..228..217T SPEC V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC S 0.811 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT V Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC V Bus-DeMeo VISNIR Popescu 2019A&A...627A.124P SPEC V Bus-DeMeo VISNIR Thomas 2011AJ....142...85T SPEC