first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus VISNIR Moskovitz 2012Icar..221...63M PHOT X X 0.3398 0.3398 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.428 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT