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Testing Gravity Theories Using Stars
Jeremy Sakstein, Bhuvnesh Jain, Vinu Vikram
Modified theories of gravity have received a renewed interest due to their ability to account for the cosmic acceleration. In order to satisfy the solar system tests of gravity, th…
Cosmic Discordance: Are Planck CMB and CFHTLenS weak lensing measurements out of tune?
Niall MacCrann, Joe Zuntz, Sarah Bridle +2
We examine the level of agreement between low redshift weak lensing data and the CMB using measurements from the CFHTLenS and Planck+WMAP polarization. We perform an independent an…
Beyond the Cosmological Standard Model
Austin Joyce, Bhuvnesh Jain, Justin Khoury +1
After a decade and a half of research motivated by the accelerating universe, theory and experiment have a reached a certain level of maturity. The development of theoretical model…
Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data
P. Melchior, E. Suchyta, E. Huff +89
We measure the weak-lensing masses and galaxy distributions of four massive galaxy clusters observed during the Science Verification phase of the Dark Energy Survey. This pathfinde…
Delensing Galaxy Surveys
Chihway Chang, Bhuvnesh Jain
Weak gravitational lensing can cause displacements, magnification, rotation and shearing of the images of distant galaxies. Most studies focus on the shear and magnification effect…
Lensing Measurements of the Mass Distribution in SDSS Voids
Joseph Clampitt, Bhuvnesh Jain
We measure weak lensing mass profiles of voids from a volume-limited sample of SDSS Luminous Red Galaxies (LRGs). We find voids using an algorithm designed to maximize the lensing…