Fig. 3.
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Near-IR colors and magnitudes of the observed targets. The blue and purple contour plots show the distribution of Galactic stars from the TRILEGAL model (Girardi et al. 2005) and from the SDSS, respectively, while orange and red contours show AGNs from SDSS DR16Q (Lyke et al. 2020) and COSMOS (Civano et al. 2016), respectively.
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