Virial Theorem, Dark Matter, and N-Body Problems

Details Virial Theorem, Dark Matter, and N-Body Problems Virial Theorem, Dark Matter, and N-Body Problems

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1043...93s&link_type=abstract

EXPLORING THE SOLAR SYSTEM AND THE UNIVERSE. AIP Conference Proceedings, Volume 1043, pp. 93-100 (2008).

Astronomy and Astrophysics

Astronomy

Celestial Mechanics, Dark Matter, Origin, Formation, Evolution, Age, And Star Formation, Few- And Many-Body Systems, Stellar Characteristics And Properties, Galaxy Groups, Clusters, And Superclusters, Large Scale Structure Of The Universe

Scientific paper

While the Virial Theorem relates the time averages of the kinetic and potential energies as time goes to infinity, it is typical to make simplifying assumptions to convert this conclusion into a working tool for astronomy to determine, for instance, a galaxy's ``virial mass.'' As described here, consequences associated with these assumptions may impose undesired dynamical behavior and lead to larger virial mass estimates. The N-body ``configurational measure'' is also described.

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