first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method E 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC K 0.569 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT Xe Xn Bus-DeMeo NIR Lucas 2019Icar..322..227L SPEC