Photometric study of the open cluster – II. Stellar population and dynamical evolution in NGC 559

  title={Photometric study of the open cluster – II. Stellar population and dynamical evolution in NGC 559},
  author={Yogesh C. Joshi and Luis A. Balona and Santosh Joshi and Brijesh Kumar},
  journal={Monthly Notices of the Royal Astronomical Society},
ABSTRACT We present UBVRI photometry of stars in the field of the intermediate-age opencluster NGC559. By determining the stellar membership probabilities derived througha photometric and kinematic study of the cluster, we identify the 22 most probablecluster members. These areused to obtain robust cluster parameters. The mean propermotion of the cluster is µ x = −3.29±0.35, µ y = −1.24 ±0.28 mas yr −1 . The radialdistribution of the stellar surface density gives a cluster radius of 4 ′ .5±0… 

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We have conducted UBVI CCD photometry of an intermediate-age open cluster NGC 559 to investigate the effect of dynamical evolution on the stellar distributions in NGC 559. Our photometry allows