A systematic survey for infrared star clusters with vertical bar b vertical bar < 20 degrees using 2MASS

Froebrich, D. and Scholz, A. and Raftery, C.L. (2007) A systematic survey for infrared star clusters with vertical bar b vertical bar < 20 degrees using 2MASS. Monthly Notices of the Royal Astronomical Society, 374 (2). 399 -408. ISSN 0035-8711. (The full text of this publication is not available from this repository)

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Abstract

We used star density maps obtained from the Two-Micron All-Sky Survey (2MASS) to obtain a sample of star clusters in the entire Galactic Plane with vertical bar b vertical bar < 20 degrees. A total of 1788 star cluster candidates are identified in this survey. Among those are 681 previously known open clusters and 86 globular clusters. A statistical analysis indicates that our sample of 1021 new cluster candidates has a contamination of about 50 per cent. Star cluster parameters are obtained by fitting a King profile to the star density. These parameters are used to statistically identify probable new globular cluster candidates in our sample. A detailed investigation of the projected distribution of star clusters in the Galaxy demonstrates that they show a clear tendency to cluster on spatial scales in the order of 12-25 pc, a typical size for molecular clouds.

Item Type: Article
Uncontrolled keywords: methods : statistical; globular clusters : general; open clusters and associations : general
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Centre for Astrophysics and Planetary Sciences
Depositing User: Louise Dorman
Date Deposited: 25 Apr 2008 10:00
Last Modified: 14 Jan 2010 14:09
Resource URI: http://kar.kent.ac.uk/id/eprint/2840 (The current URI for this page, for reference purposes)
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