Fig. 1

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Reflectance spectra of non-Barbarian K- and L-type asteroids (left) and Barbarian asteroids (right). The spectra are sorted by class and decreasing NIR slope. Wavelengths below 0.7 μm (dotted line) are excluded from the following analysis, as outlined in the text. The spectra are shifted along the y-axis for comparability. Their references are given in Appendix A.
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