Fig. 1.

Coverage of the full cross-matched catalogue with UKIDSS GCS, Pan-STARRS DR1, and SDSS DR12 photometric surveys (small grey dots). Overplotted with red squares, orange triangles, and blue asterisks are member candidates of the Coma Ber cluster from Casewell et al. (2006) and Casewell et al. (2014), Tang et al. (2018), and this study, respectively. We included the tidal radius of Coma Ber as a large cyan circle (6.9 pc; Tang et al. 2018).
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