A new method for deriving stellar membership with an application to the open cluster NGC 1664

Details A new method for deriving stellar membership with an application to the open cluster NGC 1664 A new method for deriving stellar membership with an application to the open cluster NGC 1664

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100.1850m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Dec. 1990, p. 1850-1858.

Statistics

Computation

6

Open Clusters, Stellar Color, Stellar Magnitude, Stellar Motions, Computational Astrophysics, Maximum Likelihood Estimates, Probability Density Functions, Random Variables, Statistical Analysis

Scientific paper

The data published by Kerridge et al. (1973) are used here together with a new statistical method to determine the members of the open cluster NGC 1664. The new method involves the use of the chi-square test to find the parameters of the probability density function of the proper motions of a group of stars which probably are cluster members. The spatial density of the stars in the cluster is shown.

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