first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V Bus-DeMeo VISNIR Lindsay 2015Icar..247...53L SPEC V 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT V V DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT