first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q Sq Bus-DeMeo VISNIR DeMeo 2014Icar..227..112D SPEC S Bus VISNIR Sanchez 2013Icar..225..131S SPEC S Q 0.890000 0.110000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sq Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC Sq Bus-DeMeo VISNIR Thomas 2014Icar..228..217T SPEC