first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Ad Ad Movis NIR Popescu 2018A&A...617A..12P PHOT S Bus-DeMeo VISNIR Lindsay 2015Icar..247...53L SPEC S Bus VIS Bus 2002Icar..158..146B SPEC S 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC