first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Tholen VIS Alvarez-Candal 2006A&A...459..969A SPEC S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S S Movis NIR Popescu 2018A&A...617A..12P PHOT Sk Bus VIS MotheDiniz 2008A&A...486L...9M SPEC