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Risa H. Wechsler

Researcher at Stanford University

Publications -  572
Citations -  63450

Risa H. Wechsler is an academic researcher from Stanford University. The author has contributed to research in topics: Galaxy & Dark matter. The author has an hindex of 116, co-authored 528 publications receiving 54728 citations. Previous affiliations of Risa H. Wechsler include University of Illinois at Urbana–Champaign & Massachusetts Institute of Technology.

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EmpiriciSN: Re-sampling Observed Supernova/Host Galaxy Populations using an XD Gaussian Mixture Model

TL;DR: EmpiriciSN is an example application of this functionality that can be used for fitting an XDGMM model to observed supernova/host datasets and predicting likely supernova parameters using on a model conditioned on observed host properties.
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UniverseMachine: Predicting Galaxy Star Formation over Seven Decades of Halo Mass with Zoom-in Simulations

TL;DR: In this article, the authors apply the galaxy-halo connection model UniverseMachine to dark matter-only zoom-in simulations of isolated Milky Way (MW)-mass halos along with their parent cosmological simulations.
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The Herschel Stripe 82 Survey (HerS): Maps and Early Catalog

TL;DR: The first set of maps and band-merged catalog from the Herschel Stripe 82 Survey (HerS) was presented in this article. But this survey was designed to measure correlations with external tracers of the dark matter density field, either point-like (radio to X-ray) or extended (i.e., clusters and gravitational lensing) to measure the bias and redshift distribution of intensities of infrared-emitting dusty star-forming galaxies and AGN.
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Dark Energy Survey Year 3 results: Galaxy-halo connection from galaxy-galaxy lensing

G. Zacharegkas, +139 more
TL;DR: In this article, the authors extend the measurement and modeling of the galaxy-galaxy lensing signal in the recent Dark Energy Survey Year 3 cosmology analysis to the highly nonlinear scales.