Fig. 2
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Two examples of BPRP spectra. The target spectrum is shown with a black curve, and the reference spectrum with the dashed red curve. The reference spectrum was brought to the target’s extinction, which is estimated in the infrared. Extinction variations of ΔAKs = ± 0.05 mag and ± 0.10 are indicated with orange dotted and green dashed curves, respectively. Gaia source_ids are given in the figure labels.
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