Strong lensing cosmography in the frontier fields

Eric Jullo; Ana Acebron; Marceau Limousin; Carlo Giocoli; Giulia Despali; Mario Bonamigo

doi:10.1017/S1743921316006888

Strong lensing cosmography in the frontier fields

Eric Jullo, Ana Acebron, Marceau Limousin, Carlo Giocoli, Giulia Despali, Mario Bonamigo

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The wealth of strong lensing features observed in the Frontier Fields clusters offers insights on the nature of dark energy. The large number of multiple-images systems with redshifts allows to simultaneously estimate the lens model parameters and the cosmological parameters involved in the distances calculations. In particular for the ΛCDM model, it is possible to estimate the matter density Ω m and the dark energy equations parameters w X. In this talk, I will present recent analyses of systematic errors based on Frontier Fields observed and simulated data.

Original language	English
Pages (from-to)	801-803
Number of pages	3
Journal	Proceedings of the International Astronomical Union
Volume	11
Issue number	A29B
DOIs	https://doi.org/10.1017/S1743921316006888
State	Published - 1 Jan 2015
Externally published	Yes

Keywords

cosmological parameters
cosmology: observations
galaxy clusters
gravitational lensing

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1017/S1743921316006888

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AU - Acebron, Ana

AU - Limousin, Marceau

AU - Giocoli, Carlo

AU - Despali, Giulia

AU - Bonamigo, Mario

N1 - Publisher Copyright: © International Astronomical Union 2016.

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AB - The wealth of strong lensing features observed in the Frontier Fields clusters offers insights on the nature of dark energy. The large number of multiple-images systems with redshifts allows to simultaneously estimate the lens model parameters and the cosmological parameters involved in the distances calculations. In particular for the ΛCDM model, it is possible to estimate the matter density Ω m and the dark energy equations parameters w X. In this talk, I will present recent analyses of systematic errors based on Frontier Fields observed and simulated data.

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KW - galaxy clusters

KW - gravitational lensing

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Strong lensing cosmography in the frontier fields

Abstract

Keywords

ASJC Scopus subject areas

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