Infrared star clusters with |b|<20{deg} (Froebrich+, 2007)

Details Infrared star clusters with |b|<20{deg} (Froebrich+, 2007) Infrared star clusters with |b|<20{deg} (Froebrich+, 2007)

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycat..83740399f&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/374/399. Originally published in: 2007MNRAS.374..399F

Physics

1

Clusters: Globular, Clusters: Open, Infrared Sources

Scientific paper

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 |b|<20{deg}. 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 12-25pc, a typical size for molecular clouds.
(2 data files).

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