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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-54867

Cardone, V F; Del Popolo, A; Tortora, C; Napolitano, N (2011). Secondary infall model and dark matter scaling relations in intermediate-redshift early-type galaxies. Monthly Notices of the Royal Astronomical Society, 416(3):1822-1835.

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Scaling relations among dark matter (DM) and stellar quantities are a valuable tool to constrain formation scenarios and the evolution of galactic structures. However, most of the DM properties are actually not directly measured, but derived through model-dependent mass-mapping procedures. It is therefore crucial to adopt theoretically and observationally well founded models. We use here an updated version of the secondary infall model (SIM) to predict the halo density profile, taking into account the effects of angular momentum, dissipative friction and baryons collapse. The resulting family of halo profiles depends only on one parameter, the virial mass, and nicely fits the projected mass and aperture velocity dispersion of a sample of intermediate redshift lens galaxies. We derive DM-related quantities (namely the column density and the Newtonian acceleration) and investigate their correlations with stellar mass, luminosity, effective radius and virial mass.


18 citations in Web of Science®
18 citations in Scopus®
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28 downloads since deposited on 18 Feb 2012
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Date:September 2011
Deposited On:18 Feb 2012 16:35
Last Modified:05 Apr 2016 15:22
ISSN:0035-8711 (P) 1365-2966 (E)
Additional Information:The definitive version is available at www3.interscience.wiley.com
Publisher DOI:10.1111/j.1365-2966.2011.19162.x
Related URLs:http://arxiv.org/abs/1106.0364

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