2009
SUBARU WEAK LENSING MEASUREMENTS OF FOUR STRONG LENSING CLUSTERS: ARE LENSING CLUSTERS OVERCONCENTRATED?**Based on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan. Based on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Ministério da Ciência e Tecnologia (Brazil), and SECYT (Argentina).
Oguri M, Hennawi J, Gladders M, Dahle H, Natarajan P, Dalal N, Koester B, Sharon K, Bayliss M. SUBARU WEAK LENSING MEASUREMENTS OF FOUR STRONG LENSING CLUSTERS: ARE LENSING CLUSTERS OVERCONCENTRATED?**Based on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan. Based on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Ministério da Ciência e Tecnologia (Brazil), and SECYT (Argentina). The Astrophysical Journal 2009, 699: 1038-1052. DOI: 10.1088/0004-637x/699/2/1038.Peer-Reviewed Original ResearchMass profileDensity profilesCold dark matter modelDark matter modelInner density profileLargest Einstein radiiWeak lensing techniquesRadial mass profileStrong lensing clustersWeak lensing measurementsWeak lensing signalMass density profileN-body simulationsNational Astronomical ObservatoryTechnology Facilities CouncilAssociation of UniversitiesAbell 1703Lensing clustersGemini ObservatoryGiant arcsStrong lensing informationEinstein radiusLensing measurementsMatter modelStrong lensingThe abundance of lensing protoclusters
D'Aloisio A, Furlanetto S, Natarajan P. The abundance of lensing protoclusters. Monthly Notices Of The Royal Astronomical Society 2009, 394: 1469-1486. DOI: 10.1111/j.1365-2966.2009.14400.x.Peer-Reviewed Original ResearchFlat density profileVirial radiusX-ray detectionDensity profilesDark lensesNavarro-Frenk-White formX-ray luminosityX-ray componentWeak gravitational lensingWeak lensing signalTangential shear profilesLarge total massArcmin–2Galaxy densityVirial massVirialized regionsGravitational lensingCluster candidatesLensing signalProtoclusterSemi-analytic approachTotal massSuch objectsPower lawRadius
2003
A Wide-Field Hubble Space Telescope Study of the Cluster Cl 0024+1654 at z=0.4. II. The Cluster Mass Distribution
Kneib J, Hudelot P, Ellis R, Treu T, Smith G, Marshall P, Czoske O, Smail I, Natarajan P. A Wide-Field Hubble Space Telescope Study of the Cluster Cl 0024+1654 at z=0.4. II. The Cluster Mass Distribution. The Astrophysical Journal 2003, 598: 804-817. DOI: 10.1086/378633.Peer-Reviewed Original ResearchMass profileDark matterCl 0024Cluster lightHubble Space Telescope studiesCluster radiusHubble Deep FieldHubble Space TelescopeCluster member galaxiesWeak lensing signalMass distributionWide-field dataCluster mass distributionThree-dimensional density distributionMember galaxiesPower-law fitNFW profileBackground galaxiesSpace TelescopeCluster massDeep FieldLensing analysisLight ratioMpc scalesRedshift distribution
1997
Lensing by galaxy haloes in clusters of galaxies
Natarajan P, Kneib J. Lensing by galaxy haloes in clusters of galaxies. Monthly Notices Of The Royal Astronomical Society 1997, 287: 833-847. DOI: 10.1093/mnras/287.4.833.Peer-Reviewed Original ResearchCluster galaxiesGalaxy halosFiducial parametersBrightest cluster galaxiesBrightest cluster membersEarly-type galaxiesClusters of galaxiesWeak lensing signalGalactic scalesDark haloDistribution of massFundamental planeCluster fieldsLight ratioVelocity dispersionLensing signalWeak lensingGalaxiesCluster membersHalo sizeCluster dataLarge radiusShear mapsMaximum likelihood methodHalo
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