first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Bus VIS Carvano 2001Icar..149..173C SPEC D Bus VIS Lazzaro 2004Icar..172..179L SPEC D Tholen VIS Lazzaro 2004Icar..172..179L SPEC M L 0.690000 0.250000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S Tholen VIS Xu 1995Icar..115....1X SPEC Z 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC