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The 3D Topology of the Clausius Virial for Two Component Dynamical Models of Elliptical Galaxies

Published online by Cambridge University Press:  01 August 2006

T. Valentinuzzi
Affiliation:
Department of Astronomy, University of Padova, Italy email: [email protected]
L. Secco
Affiliation:
Department of Astronomy, University of Padova, Italy email: [email protected]
M. D'Onofrio
Affiliation:
Department of Astronomy, University of Padova, Italy email: [email protected]
R. Caimmi
Affiliation:
Department of Astronomy, University of Padova, Italy email: [email protected]
D. Bindoni
Affiliation:
Department of Astronomy, University of Padova, Italy email: [email protected]
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Abstract

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As found in Secco (2000, 2001), the presence of a (non-baryonic) dark halo in large-scale celestial objects, can induce a scale length on the luminous spheroid through the occurrence of an unexpected maximum in the virial potential energy (Clausius Virial, CV). The above mentioned investigations were grounded on two cored power law density profiles, but the same result is shown to hold for more refined and realistic models.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2007

References

Secco, L. 2000, New Astron. 5, 403.Google Scholar
Secco, L. 2001, New Astron. 6, 339.Google Scholar