first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus VIS Morate 2019A&A..630A.141M SPEC C Bk Movis NIR Popescu 2018A&A...617A..12P PHOT X 0.880000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC