first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method DP Tholen VIS Lagerkvist 2005A&A...432..349L SPEC C 0.737 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT D Bus VIS Luo 2024AJ....167...13L SPEC D Bus VIS Luo 2024AJ....167...13L SPEC X Bus VIS Lazzaro 2004Icar..172..179L SPEC X Tholen VIS Lazzaro 2004Icar..172..179L SPEC Z 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC