Fig. 8
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Observed VVVX Ks−band light curves for two candidate variable M-type stars in the young open cluster NGC6405. Top panel: Gaia DR3 ID 4054211053152294016 (Stetson index = 0.539), a flare star candidate located at at RA = 264.94271054 deg, Dec = −32.40465797 deg. Bottom panel: Gaia DR3 4054313509551765120 (Stetson index = 0.693), an eclipsing binary star candidate located at RA= 265.33106750 deg, Dec = −32.17876225 deg. Visual inspection of the light curves and their Stetson indices indicate that both stars are indeed variable (Stetson 1996). The solid blue line represents the median magnitude value for each case and was calculated from all points in the light curve.
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