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Weak gravitational lensing by voids

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 21 Oct 1999Embargo end date: 01 Jan 1998Publisher:Oxford University Press (OUP)Journal:Monthly Notices of the Royal Astronomical Society, volume 309, pages 465-473 (issn: 0035-8711, eissn: 1365-2966,

Authors: Luca Amendola; Ioav Waga; Ioav Waga; Joshua A. Frieman; Joshua A. Frieman;

doi: 10.1046/j.1365-8711.1999.02841.x , 10.48550/arxiv.astro-ph/9811458

arXiv: http://arxiv.org/abs/astro-ph/9811458

Weak gravitational lensing by voids

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Abstract

We consider the prospects for detecting weak gravitational lensing by underdensities (voids) in the large-scale matter distribution. We derive the basic expressions for magnification and distortion by spherical voids. Clustering of the background sources and cosmic variance are the main factors which limit in principle the detection of lensing by voids. We conclude that only voids with radii larger than $\sim 100$ \hm have lensing signal to noise larger than unity.

12 pages, 7 figures, uses mn-1_4.sty file, submitted to MNRAS

Related Organizations

University of Chicago
United States
Federal University of Rio de Janeiro
Brazil
Federal University of Rio de Janeiro
Brazil
National Aeronautics and Space Administration
United States
Fermilab
United States

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	48
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average

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Top 10%

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Green

gold

Fields of Science

Fields of Science

Related to Research communities

NEANIAS Space Research Community