articleThe Astrophysical Journal Supplement SeriesDec 1, 2005BRONZE OA

Resolved Massive Star Clusters in the Milky Way and Its Satellites: Brightness Profiles and a Catalog of Fundamental Parameters

University of Leicester · Space Telescope Science Institute

Indexed inarxivcrossrefdoaj

Abstract

[Abridged]: We present a database of structural and dynamical properties for 153 spatially resolved star clusters (50 "young massive clusters" and 103 old globulars) in the Milky Way, the Large and Small Magellanic Clouds, and the Fornax dwarf spheroidal. This database complements and extends others in the literature, such as those of Harris, and Mackey & Gilmore. By fitting a number of models to the clusters' density profiles, we derive various characteristic surface brightnesses and radii; central potentials, velocity dispersions, and escape velocities; total luminosities, masses, and binding energies; phase-space densities and relaxation timescales; and ``kappa-space'' parameters. Population-synthesis…

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Authors

2

Topics & keywords

Keywords
  • Globular cluster
  • Physics
  • Milky Way
  • Astrophysics
  • Star cluster
  • Velocity dispersion
  • Fundamental plane (elliptical galaxies)
  • Surface brightness
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