Search Results - "Kirk, Donnacha"
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The cosmological impact of intrinsic alignment model choice for cosmic shear
Published in Monthly notices of the Royal Astronomical Society (11-08-2012)“…Abstract We consider the effect of galaxy intrinsic alignments (IAs) on dark energy constraints from weak gravitational lensing. We summarize the latest…”
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The impact of intrinsic alignments: cosmological constraints from a joint analysis of cosmic shear and galaxy survey data
Published in Monthly notices of the Royal Astronomical Society (01-11-2010)“…Constraints on cosmology from recent cosmic shear observations are becoming increasingly sophisticated in their treatment of potential systematic effects. Here…”
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Results of the GREAT08 Challenge: an image analysis competition for cosmological lensing
Published in Monthly notices of the Royal Astronomical Society (01-07-2010)“…We present the results of the Gravitational LEnsing Accuracy Testing 2008 (GREAT08) Challenge, a blind analysis challenge to infer weak gravitational lensing…”
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Handbook for the GREAT08 Challenge: An Image Analysis Competition for Cosmological Lensing
Published in The annals of applied statistics (01-03-2009)“…The GRavitational lEnsing Accuracy Testing 2008 (GREAT08) Challenge focuses on a problem that is of crucial importance for future observations in cosmology…”
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GRAVITATIONAL LENSING ACCURACY TESTING 2010 (GREAT10) CHALLENGE HANDBOOK
Published in The annals of applied statistics (01-09-2011)“…GRavitational lEnsing Accuracy Testing 2010 (GREAT10) is a public image analysis challenge aimed at the development of algorithms to analyze astronomical…”
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Galaxy Alignments: An Overview
Published in Space science reviews (01-11-2015)“…The alignments between galaxies, their underlying matter structures, and the cosmic web constitute vital ingredients for a comprehensive understanding of…”
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Galaxy Alignments: Observations and Impact on Cosmology
Published in Space science reviews (01-11-2015)“…Galaxy shapes are not randomly oriented, rather they are statistically aligned in a way that can depend on formation environment, history and galaxy type…”
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Galaxy Alignments: Theory, Modelling & Simulations
Published in Space science reviews (01-11-2015)“…The shapes of galaxies are not randomly oriented on the sky. During the galaxy formation and evolution process, environment has a strong influence, as tidal…”
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Weak lensing with sizes, magnitudes and shapes
Published in Monthly notices of the Royal Astronomical Society (11-09-2015)“…Weak lensing can be observed through a number of effects on the images of distant galaxies; their shapes are sheared, sizes and fluxes (magnitudes) are…”
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Expansionism, Extremism, and Exceptionalism in Life: Boltzmann Brains as a Transdisciplinary Methodology
Published in Environmental humanities (01-11-2017)“…This article explores how taking physical cosmology and the entities that populate its fringes on their own terms might prompt anthropology to rethink what and…”
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Expansionism, Extremism, and Exceptionalism in Life
Published in Environmental humanities (01-11-2017)“…Abstract This article explores how taking physical cosmology and the entities that populate its fringes on their own terms might prompt anthropology to rethink…”
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Disentangling dark energy and cosmic tests of gravity from weak lensing systematics
Published in Monthly notices of the Royal Astronomical Society (01-06-2012)“…We consider the impact of key astrophysical and measurement systematics on constraints on dark energy and modifications to gravity on cosmic scales. We focus…”
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Optimizing cosmic shear surveys to measure modifications to gravity on cosmic scales
Published in Monthly notices of the Royal Astronomical Society (21-03-2013)“…We consider how upcoming photometric large-scale structure surveys can be optimized to measure the properties of dark energy (DE) and possible cosmic-scale…”
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Optimizing spectroscopic and photometric galaxy surveys: same-sky benefits for dark energy and modified gravity
Published in Monthly notices of the Royal Astronomical Society (21-08-2015)“…The combination of multiple cosmological probes can produce measurements of cosmological parameters much more stringent than those possible with any individual…”
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Erratum to: Galaxy Alignments: Theory, Modelling & Simulations
Published in Space science reviews (01-11-2015)“…Issue Title: Galaxy Alignments…”
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Results of the GREAT08 Challenge: an image analysis competition for cosmological lensing
Published in Monthly notices of the Royal Astronomical Society (01-07-2010)Get full text
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