Looking at the Fundamental Plane through a gravitational lens

Abstract

We consider the Fundamental Plane of elliptical galaxies lensed by the gravitational field of a massive deflector (typically, a cluster of galaxies). We show that the Fundamental Plane relation provides a straightforward measurement of the projected mass distribution of the lens with a typical accuracy of ~0.15 in the dimensionless column density kappa. The proposed technique breaks the mass-sheet degeneracy completely and is thus expected to serve as an important complement to other lensing-based analyses. Moreover, its ability to measure directly the mass distribution on the small pencil beams that characterize the size of background galaxies may lead to crucial tests for current scenarios of structure formation.

ApJL, in press

References in corpus (7)

• Strong Lensing Analysis of A1689 from Deep Advanced Camera Images
• Mass-to-Light Ratios of Field Early-Type Galaxies at z~1 from Ultra-Deep Spectroscopy: Evidence for Mass-dependent Evolution
• The Evolution and Structure of Early-type Field Galaxies: A Combined Statistical Analysis of Gravitational Lenses
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• Non-parametric mass reconstruction of A1689 from strong lensing data with SLAP
• HST/ACS weak lensing analysis of the galaxy cluster RDCS 1252.9-2927 at z=1.24
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• Detection of spatial correlations of fundamental plane residuals, and cosmological implications
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• Cluster-Cluster Lensing and the Case of Abell 383
• Direct Measurements of the magnification produced by galaxy clusters as gravitational lenses
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• Direct measurement of lensing amplification in Abell S1063 using a strongly lensed high redshift HII Galaxy
• A Framework for Measuring Weak-Lensing Magnification Using the Fundamental Plane
• Intrinsic correlations of galaxy sizes in a hydrodynamical cosmological simulation