The selection of groups of long-period Cepheids using the maximum likelihood method

Details The selection of groups of long-period Cepheids using the maximum likelihood method The selection of groups of long-period Cepheids using the maximum likelihood method

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..745p&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 63, July-Aug. 1986, p. 745-753. In Russian.

Astronomy and Astrophysics

Astronomy

9

Cepheid Variables, Maximum Likelihood Estimates, Star Distribution, Stellar Motions, Space-Time Functions, Velocity Distribution

Scientific paper

A technique based on the use of the maximum likelihood method is
proposed as a means of selecting groups of stars in six-dimensional
space (three coordinates and three velocity components). It is applied
to a sample of 68 long-period Cepheids. Sixteen groups consisting of 2-9
stars are obtained, the background containing 25 percent of the stars.

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