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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-30855

Leier, D (2009). A lensing view on the Fundamental Plane. Monthly Notices of the Royal Astronomical Society, 400(2):875-886.

Accepted Version
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For lensing galaxies, we introduce a formal velocity dispersion σlens , based on enclosed mass and the virial theorem. This is calculated from an ensemble of pixelated lens models, and found to be fairly model-independent. A sample of 18 well-known early-type lensing galaxies and two clusters is found to be consistent with σlens=σobs . Both the early-type lensing galaxies and the clusters can thus be determined as being virialized. In a second step, we calculate the I-band luminosity and the total mass content for the sample of lensing galaxies, which enables us to analyse the mass-to-light relation L∝Mα . We determine α= 0.70 ± 0.08 , excluding constant M/L and consistent with previous studies of the Fundamental Plane. Additionally, we verify that this relation does not extrapolate to clusters, which have a much higher M/L. The sample used for this analysis comprises nine lensing galaxies from the Sloan Lens ACS (Advanced Camera for Surveys) Survey and another nine from the CfA-Arizona Space Telescope LEns Survey as well as the lensing clusters ACO 1689 and ACO 2667.


4 citations in Web of Science®
4 citations in Scopus®
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22 downloads since deposited on 26 Feb 2010
2 downloads since 12 months

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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
Uncontrolled Keywords:gravitational lensing; galaxies: clusters: general; galaxies: elliptical and lenticular; cD; galaxies: fundamental parameters
Date:December 2009
Deposited On:26 Feb 2010 15:37
Last Modified:05 Apr 2016 13:56
Funders:Swiss National Science Foundation
Additional Information:The attached file is a preprint (accepted version) of an article published in Monthly Notices of the Royal Astronomical Society. The definitive version is available at www3.interscience.wiley.com
Publisher DOI:10.1111/j.1365-2966.2009.15493.x
Related URLs:http://arxiv.org/abs/0908.0748

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