first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC C 0.940 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT P S 0.500000 0.450000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Xc Bus VIS Bus 2002Icar..158..146B SPEC