Journal Article

Search for star clustering: methodology and application to the Two Micron Galactic Survey

M. López-Corredoira, F. Garzón, P. L. Hammersley and T. J. Mahoney

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 301, issue 2, pages 289-309
Published in print December 1998 | ISSN: 0035-8711
Published online December 1998 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1046/j.1365-8711.1998.01723.x
Search for star clustering: methodology and application to the Two Micron Galactic Survey

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Abstract

A new approach to the study of the large-scale stellar cluster distribution in the Galaxy based on two-point correlation techniques is presented. The basic formalism for this method is outlined, and its applications are then investigated by the use of a simple model of cluster distribution in the Galaxy. This provides an estimate of the potentials of the two-point correlation function for indicating clustering in the measured star positions, which can be related to the presence of star clusters in the observed field. This technique is then applied to several areas of the Two Micron Galactic Survey catalogue, from which information is obtained on the distribution of clusters according to position in the Galaxy, as well as about age, density of stars, etc.

Keywords: methods: analytical; surveys; Galaxy: evolution; open clusters and associations: general; Galaxy: structure; infrared: stars

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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