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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 ,
L. Secco ,
M. D'Onofrio ,
R. Caimmi  and
D. Bindoni
T. Valentinuzzi
Affiliation:
Department of Astronomy, University of Padova, Italy email: tiziano.valentinuzzi@unipd.it
L. Secco
Affiliation:
Department of Astronomy, University of Padova, Italy email: tiziano.valentinuzzi@unipd.it
M. D'Onofrio
Affiliation:
Department of Astronomy, University of Padova, Italy email: tiziano.valentinuzzi@unipd.it
R. Caimmi
Affiliation:
Department of Astronomy, University of Padova, Italy email: tiziano.valentinuzzi@unipd.it
D. Bindoni
Affiliation:
Department of Astronomy, University of Padova, Italy email: tiziano.valentinuzzi@unipd.it
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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.

Keywords

Elliptical GalaxiesGalactic DynamicsGalaxy FormationGalaxy Evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 146
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