Some Physical Parameters of Globular Clusters. I. Surface Brightness Distribution of Six Globular Clusters.

Details Some Physical Parameters of Globular Clusters. I. Surface Brightness Distribution of Six Globular Clusters. Some Physical Parameters of Globular Clusters. I. Surface Brightness Distribution of Six Globular Clusters.

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jkas...13...27c&link_type=abstract

Journal of Korean Astronomical Society, vol. 13, no. 1, pp. 27-34

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Surface density distributions for globular clusters were obtained from photoelectric surface photometry (using centered aperture photometry). These surface brightness profiles were then compared with the theoretical surface density distribution of King's model. From the comparison of the theoretical and observed surface density distributions, we determine the structural parameters of the clusters (the core radius r_c, the tidal cut off r_t, and the concentration factor C).

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