first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S M 0.460000 0.460000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC X Bus-DeMeo VISNIR Licandro 2018A&A...618A.170L SPEC X Bus-DeMeo VISNIR Licandro 2018A&A...618A.170L SPEC