UBVI CCD Photometry of the Open Cluster NGC 559

Details UBVI CCD Photometry of the Open Cluster NGC 559 UBVI CCD Photometry of the Open Cluster NGC 559

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jkas...35...29a&link_type=abstract

Journal of the Korean Astronomical Society, vol. 35, no. 1, pp. 29-34

Astronomy and Astrophysics

Astronomy

3

Open Clusters: Individual (Ngc 559), Distance, Age, Mass Function, Dynamical Evolution

Scientific paper

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 better estimates of distance and age of the cluster owing to much deeper photometry (V <= 21) than previous ones. It is found that the luminosity function and mass function as well as the spatial stellar distributions are affected by the dynamical evolution. Mass segregation leads to the central concentration of the high mass stars, which results in the flattened mass function inside the half mass radius.

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