Abstract:We present a photometric and kinematical analysis of two and poorly studied open clusters; Koposov 12 (FSR 802) and Koposov 43 (FSR 848) by using cross-matched data from PPMXL and Gaia DR2 catalog. We use astrometric parameters to identify 285 and 310 cluster members for Koposov 12 and Koposov 43, respectively. Using the extracted member candidates and isochrone fitting to near-infrared (J, H, K s ) and Gaia DR2 bands (G, G BP , G RP ), and Color Magnitude Diagrams (CMDs), we have estimated ages: log (age/yr) … Show more
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