first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K Bus-DeMeo VISNIR Bourdelle de Micas 2022A&A...665A..83B SPEC K Bus-DeMeo VISNIR Clark 2009Icar..202..119C SPEC K Bus VIS Bus 2002Icar..158..146B SPEC S K 0.580000 0.300000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S K 0.590000 0.400000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC