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First Galaxy-Galaxy Lensing Measurement of Satellite Halo Mass in the CFHT Stripe-82 Survey
Ran Li, Huanyuan Shan, HouJun Mo +7
We select satellite galaxies from the galaxy group catalog constructed with the SDSS spectroscopic galaxies and measure the tangential shear around these galaxies with source catal…
Biases on cosmological parameter estimators from galaxy cluster number counts
M. Penna-Lima, M. Makler, C. A. Wuensche
Sunyaev-Zel'dovich (SZ) surveys are promising probes of cosmology - in particular for Dark Energy (DE) -, given their ability to find distant clusters and provide estimates for the…
First Measurement of the Cross-Correlation of CMB Lensing and Galaxy Lensing
Nick Hand, Alexie Leauthaud, Sudeep Das +33
We measure the cross-correlation of cosmic microwave background lensing convergence maps derived from Atacama Cosmology Telescope data with galaxy lensing convergence maps as measu…
Weak lensing mass map and peak statistics in Canada-France-Hawaii Telescope Stripe 82 survey
HuanYuan Shan, Jean-Paul Kneib, Johan Comparat +10
We present a weak lensing mass map covering ~124 square degrees of the Canada-France-Hawaii Telescope Stripe 82 Survey (CS82). We study the statistics of rare peaks in the map, inc…
Magnification Bias in Gravitational Arc Statistics
G. B. Caminha, J. Estrada, M. Makler
The statistics of gravitational arcs in galaxy clusters is a powerful probe of cluster structure and may provide complementary cosmological constraints. Despite recent progresses,…
Analytic Solutions for Navarro--Frenk--White Lens Models for Low Characteristic Convergences
H. S. Dúmet-Montoya, G. B. Caminha, M. Makler
The Navarro-Frenk-White (NFW) density profile is often used to model gravitational lenses. For low values of the characteristic convergence () of this model - correspond…