DATA ANALYSIS OF SPACE OBSERVATIONS OF GLOBULAR CLUSTERS
We have performed an analysis of observational data on the apparent surface density of 81 globular clusters obtained within
the framework of the GAIA DR2 space program and published in the work of de Boer et al (2019). We first studied the
quality of GAIA DR2 observational data in comparison with similar data obtained by HST. Using our 3-parameter model,
previously tested on the example of HST space observation data, we found the values of the parameter of star concentration
to the center of the cluster. To do this, it was first necessary to divide the GAIA data into four groups and compare their
quality from a number of physical considerations. We investigated the dependence of the concentration parameter of GCs
found by us on the basic characteristics of these objects. The results obtained confirm the validity of the previous
classification of GCs according to the degree of star concentration to the center of the cluster.
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