first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V Bus-DeMeo NIR Moskovitz 2010Icar..208..773M SPEC V Tholen VIS Binzel 1993Sci...260..186B SPEC V Tholen VIS Xu 1995Icar..115....1X SPEC V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC Vw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC