first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus-DeMeo VIS Duddy 2012A&A...539A..36D SPEC S Bus VIS Wolters 2014MNRAS.439.3085W SPEC S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Sw Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC