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Weak lensing analysis of galaxy pairs using CS82 data
Elizabeth J. Gonzalez, Facundo Rodriguez, Diego García Lambas +6
In this work we analyze a sample of close galaxy pairs (relative projected separation kpc and relative radial velocities km s) using a weak lensing analy…
Strong lensing cross sections for isothermal models - I. Finite source effects in the circular case
Vanessa P. de Freitas, Martin Makler, Habib S. Dúmet-Montoya
The strong galaxy-galaxy lensing produces highly magnified and distorted images of background galaxies in the form of arcs and Einstein rings. Statistically, these effects are quan…
Compact Groups analysis using weak gravitational lensing II: CFHT Stripe 82 data
Martín Chalela, Elizabeth J. Gonzalez, Martín Makler +4
In this work we present a lensing study of Compact Groups (CGs) using data obtained from the high quality Canada-France-Hawaii Telescope Stripe 82 Survey. Using stacking techniques…
The Strong Gravitational Lens Finding Challenge
R. Benton Metcalf, M. Meneghetti, Camille Avestruz +33
Large scale imaging surveys will increase the number of galaxy-scale strong lensing candidates by maybe three orders of magnitudes beyond the number known today. Finding these rare…
Do satellite galaxies trace matter in galaxy clusters?
Chunxiang Wang, Ran Li, Liang Gao +9
The spatial distribution of satellite galaxies encodes rich information of the structure and assembly history of galaxy clusters. In this paper, we select a redMaPPer cluster sampl…
Probing galaxy assembly bias with LRG weak lensing observations
A. Niemiec, E. Jullo, A. D. Montero-Dorta +9
In Montero-Dorta et al. 2017, we show that luminous red galaxies (LRGs) from the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) at can be divided into two grou…