first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Bus-DeMeo NIR Gartrelle 2021Icar..35414043G SPEC D Bus-DeMeo VISNIR Gartrelle 2021Icar..36114349G PHOT D Howell VISNIR Howell 1994JGR....9910847H PHOT P 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC