first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus VIS Binzel 2019Icar..324...41B SPEC S Bus VIS Bus 2002Icar..158..146B SPEC S DeMeo-Carry VIS Carry PHOT S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S S 0.8296 0.8296 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT