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A Tale of Two Wide Separation Gravitational Lenses 

More, Anupreeta (2008)
<p>Wide separation gravitational lens systems are good candidates to probe the matter (luminous+dark) distribution in massive halos. Investigation of two wide separation lens systems is carried out. MG 2016+112 is a quadruply ...
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The non-Gaussian matter power spectrum covariance in the halo model approach 

Pielorz, Jasmin (2008)
<p>Weak gravitational lensing is one of the most promising tools to analyze the nature of dark energy and dark matter. In order to constrain cosmological parameters with this method a good theoretical understanding of the ...
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Ray-Tracing Simulations of Weak Gravitational Lensing 

Hartlap, Jan (2009-07-02)
Weak gravitational lensing, i.e. the distortion of images of distant galaxies due to the deflection of light rays in gravitational fields, is a powerful method to study the matter distribution in the Universe. It can be ...
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Weak Gravitational Lensing and Galaxy Bias 

Simon, Patrick (2005)
Galaxies were formed from primordial baryonic matter within the gravitational potential of the dark matter. Today a confusing wealth of different galaxy populations is known. Explaining the emergence of this zoo of galaxy ...
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Measuring cosmological weak lensing using the Advanced Camera for Surveys on board the Hubble Space Telescope 

Schrabback-Krahe, Tim Richard Walter (2008)
Following from the theory of General Relativity, light-bundles are deflected and differentially distorted while passing through the gravitational potential of matter inhomogeneities. The gravitational lensing effect caused ...
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Studying Galaxy-Galaxy Lensing and Higher-Order Galaxy-Mass Correlations Using the Halo Model 

Rödiger, Jens (2009-06-22)
In recent years, the distribution of galaxies in the Universe could be measured up to large distances and over a significant part of the sky. The analysis of this large-scale structure contains a wealth of cosmological ...
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Theoretical Aspects of Cosmic Shear and its Ability to constrain Cosmological Parameters 

Eifler, Tim Frederik (2009-03-13)
In the last decade weak gravitational lensing by the large-scale structure of the Universe, also called cosmic shear, has become an important tool to constrain cosmological parameters. Despite this success there remain ...
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Exploring Dark Matter Properties from the Smallest to the Largest Scales 

Bradač, Maruša (2004)
One of the main problems in cosmology is to understand the formation and evolution of galaxies, galaxy clusters, and large-scale structure. Whereas the basics of the current Cold Dark Matter (CDM) paradigm for structure ...
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Application of photometric redshifts on the correlation properties of galaxies and matter 

Hildebrandt, Hendrik Jürgen (2007)
In the past years cosmology, the science of the universe as a whole, has seen tremendous progress. The Lambda-Cold-Dark-Matter scenario is widely accepted as the standard model of cosmology describing the evolution of the ...
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Cosmic Shear and the Intrinsic Alignment of Galaxies 

Joachimi, Benjamin (2010-11-12)
Cosmology has recently entered an era of increasingly rich observational data sets, all being in agreement with a cosmological standard model that features only a small number of free parameters. One of the most powerful ...
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AuthorBorm, Katharina (1)Bradač, Maruša (1)Buddendiek, Axel (1)Eifler, Tim Frederik (1)Hartlap, Jan (1)Hildebrandt, Hendrik Jürgen (1)Holhjem, Karianne (1)Israel, Holger (1)Joachimi, Benjamin (1)Klein, Matthias (1)... View MoreSubject
Kosmologie (21)
Cosmology (10)cosmology (8)dark matter (8)Dunkle Materie (7)Galaxienhaufen (7)Gravitationslinseneffekt (6)Galaxien (4)Dunkle Energie (3)gravitational lensing (3)... View MoreClassification (DDC)520 Astronomie, Kartografie (21)530 Physik (9)310 Allgemeine Statistiken (1)... View MoreResource TypeDissertation oder Habilitation (21)... View MoreDate Issued2020 - 2021 (2)2010 - 2019 (10)2004 - 2009 (9)

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