LoCuSS: First Results from Strong-lensing Analysis of 20 Massive Galaxy Clusters at z~0.2 (2009)
Richard, Johan, Smith, Graham, Kneib, Jean-Paul, Ellis, Richard, Sanderson, Alastair, Pei, Liuyi, ...
We present a statistical analysis of a sample of 20 strong lensing clusters drawn from the Local Cluster Substructure Survey (LoCuSS), based on high resolution Hubble Space Telescope imaging of the...
Smith, Graham P., Ebeling, Harald, Limousin, Marceau, Kneib, Jean-Paul, Swinbank, A. M., Ma, Cheng-Jiun, ...
We present Advanced Camera for Surveys observations of MACSJ1149.5+2223, an X-ray luminous galaxy cluster at z=0.544 discovered by the Massive Cluster Survey. The data reveal at least seven...
Abell 370 revisited: refurbished Hubble imaging of the first strong lensing cluster (2009)
Richard, Johan, Kneib, Jean-Pau, Limousin, Marceau, Edge, Alastair, Jullo, Eric
We present a strong lensing analysis of the galaxy cluster Abell 370 (z=0.375) based on the recent multicolor ACS images obtained as part of the Early Release Observation (ERO) that followed the...
Limousin, Marceau, Jullo, Eric, Richard, Johan, Cabanac, Remi, Kneib, Jean-Paul, Gavazzi, Raphael, ...
A precise modelling of a strong lensing system can be affected by some external mass distribution. In this article, we propose to turn this bother to our advantage and to use precise strong lensing...
Moderate Steepening of Galaxy Cluster Dark Matter Profiles by Baryonic Pinching (2009)
Sommer-Larsen, Jesper, Limousin, Marceau
To assess the effect of baryonic ``pinching'' of galaxy cluster dark matter (DM) haloes, cosmological (LCDM) TreeSPH simulations of the formation and evolution of two galaxy clusters have been...
The Survival of Dark Matter Halos in the Cluster Cl 0024+16 (2009)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Treu, Tommaso, Ellis, Richard, Moran, Sean, ...
Theories of structure formation in a cold dark matter dominated universe predict that massive clusters of galaxies assemble from the hierarchical merging of lower mass subhalos. Exploiting strong and...
Richard, Johan, Pei, Liuyi, Limousin, Marceau, Jullo, Eric, Kneib, Jean-Paul
Strong gravitational lensing is a unique tool to model with great accuracy the inner mass distribution of massive galaxy clusters. In particular, clusters with large Einstein radii provide a wealth...
Riemer-Sorensen, Signe, Paraficz, Danka, Ferreira, Desiree Della Monica, Pedersen, Kristian, Limousin, Marceau, Dahle, Haakon
There is a long-standing discrepancy between galaxy cluster masses determined from X-ray and gravitational lensing observations of which Abell 1689 is a well-studied example. In this work we take...
Mapping Dark Matter in Galaxy Clusters: Gravitational Lensing & Numerical Simulations (2008)
The different regimes of gravitational lensing constitutes an interesting tool in order to map the mass distribution in galaxy clusters on different scales. In this proceedings article, I review some...
The survival of dark matter halos in the cluster Cl0024+16 (2007)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Treu, Tommaso, Ellis, Richard, Moran, Sean, ...
Theories of structure formation in a cold dark matter dominated Universe predict that massive clusters of galaxies assemble from the hierarchical merging of lower mass subhalos. Exploiting strong and...
Is Gravitational Lensing by Intercluster Filaments Always Negligible? (2007)
Feix, Martin, Xu, Dong, Shan, HuanYuan, Famaey, Benoit, Limousin, Marceau, Zhao, HongSheng, ...
Intercluster filaments negligibly contribute to the weak lensing signal in general relativity (GR), $\gamma_{N}\sim 10^{-4}-10^{-3}$. In the context of relativistic modified Newtonian dynamics (MOND)...
Limousin, Marceau, Sommer-Larsen, Jesper, Natarajan, Priyamvada, Milvang-Jensen, Bo
We analyze high resolution, N-body hydrodynamical simulations of fiducial galaxy clusters to probe tidal stripping of the dark matter subhalos. These simulations include a prescription for star...
A Bayesian approach to strong lensing modelling of galaxy clusters (2007)
Jullo, Eric, Kneib, Jean-Paul, Limousin, Marceau, Elíasdóttir, Árdis, Marshall, Phil, Verdugo, Tomas
In this paper, we describe a procedure for modelling strong lensing galaxy clusters with parametric methods, and to rank models quantitatively using the Bayesian evidence. We use a publicly available...
A statistical study of multiply-imaged systems in the lensing cluster Abell 68 (2007)
Richard, Johan, Kneib, Jean-Paul, Jullo, Eric, Covone, Giovanni, Limousin, Marceau, Ellis, Richard, ...
We have carried out an extensive spectroscopic survey with the Keck and VLT telescopes, targeting lensed galaxies in the background of the massive cluster Abell 68. Spectroscopic measurements are...
Limousin, Marceau, Kneib, Jean Paul, Natarajan, Priyamvada
We present a maximum-likelihood analysis of galaxy-galaxy lensing effects in galaxy clusters and in the field. The aim is to determine the accuracy and robustness of constraints that can be obtained...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Limousin, Marceau, Kneib, Jean Paul, Natarajan, Priyamvada
We present a maximum-likelihood analysis of galaxy-galaxy lensing effects in galaxy clusters and in the field. The aim is to determine the accuracy and robustness of constraints that can be obtained...
Limousin, Marceau, Kneib, Jean Paul, Natarajan, Priyamvada
We present a maximum-likelihood analysis of galaxy-galaxy lensing effects in galaxy clusters and in the field. The aim is to determine the accuracy and robustness of constraints that can be obtained...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Limousin, Marceau, Kneib, Jean Paul, Natarajan, Priyamvada
We present a maximum-likelihood analysis of galaxy-galaxy lensing effects in galaxy clusters and in the field. The aim is to determine the accuracy and robustness of constraints that can be obtained...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...
Contraintes sur la distribution de masse des galaxies par cisaillement gravitationnel (2004)
L'optique gravitationnelle est desormais devenue un outil populaire pour mesurer les distributions de masse des structures sur des echelles tres differentes. Le cisaillement cosmique permet d'etudier...