first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Dahlgren-Lagerkvist VIS Fornasier 2007Icar..190..622F SPEC D Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC Ds Ds Movis NIR Popescu 2018A&A...617A..12P PHOT S 0.830000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC