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

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

1998-04-21

arxiv.org/abs/astro-ph/9804214v1

MNRAS 301, 289 (1998)

Astronomy and Astrophysics

Astrophysics

16 pages, 14 figures, accepted in MNRAS

Scientific paper

10.1046/j.1365-8711.1998.01723.x

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.

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