208 citations · 2.3k across the 64 of their papers we have counts for
9 papers · 1 filter
Correlations in the three-dimensional Lyman-alpha forest contaminated by high column density absorbers
Keir K. Rogers, Simeon Bird, Hiranya V. Peiris +3
Correlations measured in three dimensions in the Lyman-alpha forest are contaminated by the presence of the damping wings of high column density (HCD) absorbing systems of neutral…
Dark Energy Survey Year 1 Results: Curved-Sky Weak Lensing Mass Map
C. Chang, A. Pujol, B. Mawdsley +117
We construct the largest curved-sky galaxy weak lensing mass map to date from the DES first-year (DES Y1) data. The map, about 10 times larger than previous work, is constructed ov…
Dark Energy Survey Year 1 Results: Photometric Data Set for Cosmology
A. Drlica-Wagner, I. Sevilla-Noarbe, E. S. Rykoff +86
We describe the creation, content, and validation of the Dark Energy Survey (DES) internal year-one cosmology data set, Y1A1 GOLD, in support of upcoming cosmological analyses. The…
Red clump stars and Gaia: Calibration of the standard candle using a hierarchical probabilistic model
Keith Hawkins, Boris Leistedt, Jo Bovy +1
Distances to individual stars in our own Galaxy are critical in order to piece together the nature of its velocity and spatial structure. Core helium burning red clump (RC) stars h…
Improving \textsl{Gaia} parallax precision with a data-driven model of stars
Lauren Anderson, David W. Hogg, Boris Leistedt +2
Converting a noisy parallax measurement into a posterior belief over distance requires inference with a prior. Usually this prior represents beliefs about the stellar density distr…
Simulating the effect of high column density absorbers on the one-dimensional Lyman-alpha forest flux power spectrum
Keir K. Rogers, Simeon Bird, Hiranya V. Peiris +3
We measure the effect of high column density absorbing systems of neutral hydrogen (HI) on the one-dimensional (1D) Lyman-alpha forest flux power spectrum using cosmological hydrod…
Hierarchical probabilistic inference of the color-magnitude diagram and shrinkage of stellar distance uncertainties
Boris Leistedt, David W. Hogg
We present a hierarchical probabilistic model for improving geometric stellar distance estimates using color--magnitude information. This is achieved with a data driven model of th…
A new perspective on turbulent Galactic magnetic fields through comparison of linear polarisation decomposition techniques
J. -F. Robitaille, A. M. M. Scaife, E. Carretti +8
We compare two rotationally invariant decomposition techniques on linear polarisation data: the spin-2 spherical harmonic decomposition in two opposite parities, the - and -m…
Mapping dark matter on the celestial sphere with weak gravitational lensing
Christopher G. R. Wallis, Matthew A. Price, Jason D. McEwen +3
Convergence maps of the integrated matter distribution are a key science result from weak gravitational lensing surveys. To date, recovering convergence maps has been performed usi…