first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method A S 0.550000 0.450000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT Xc Bus VIS Bus 2002Icar..158..146B SPEC Xe Bus-DeMeo VISNIR Lindsay 2015Icar..247...53L SPEC