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Studying the impact of systematic effects, optimizing survey strategies, assessing tensions between different probes and exploring synergies of different data sets require a large number of simulated likelihood analyses, each of which cost…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-07 Supranta S. Boruah , Tim Eifler , Vivian Miranda , Sai Krishanth P. M

We analyze Dark Energy Survey (DES) data to constrain a cosmological model where a subset of parameters -- focusing on $\Omega_m$ -- are split into versions associated with structure growth (e.g. $\Omega_m^{\rm grow}$) and expansion history…

We present cosmology results combining galaxy clustering and weak gravitational lensing measured in the full six years (Y6) of observations by the Dark Energy Survey (DES) covering $\sim$5000 deg$^2$. We perform a large-scale structure…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-30 DES Collaboration , T. M. C. Abbott , M. Adamow , M. Aguena , A. Alarcon , S. S. Allam , O. Alves , A. Amon , D. Anbajagane , F. Andrade-Oliveira , S. Avila , D. Bacon , E. J. Baxter , J. Beas-Gonzalez , K. Bechtol , M. R. Becker , G. M. Bernstein , E. Bertin , J. Blazek , S. Bocquet , D. Brooks , D. Brout , H. Camacho , G. Camacho-Ciurana , R. Camilleri , G. Campailla , A. Campos , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , P. Carrilho , F. J. Castander , R. Cawthon , C. Chang , A. Choi , J. M. Coloma-Nadal , M. Costanzi , M. Crocce , W. d'Assignies , L. N. da Costa , M. E. da Silva Pereira , T. M. Davis , J. De Vicente , J. DeRose , H. T. Diehl , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , T. F. Eifler , J. Elvin-Poole , J. Estrada , S. Everett , A. E. Evrard , J. Fang , A. Farahi , A. Ferté , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , G. Giannini , P. Giles , K. Glazebrook , M. Gorsuch , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , I. Harrison , W. G. Hartley , E. Henning , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , T. Kacprzak , S. Kent , A. Kovacs , E. Krause , R. Kron , K. Kuehn , O. Lahav , S. Lee , E. Legnani , C. Lidman , H. Lin , N. MacCrann , M. Manera , T. Manning , J. L. Marshall , S. Mau , J. McCullough , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , J. Muir , J. Myles , R. C. Nichol , B. Nord , J. H. O'Donnell , R. L. C. Ogando , A. Palmese , M. Paterno , J. Peoples , W. J. Percival , D. Petravick , A. Pieres , A. A. Plazas Malagón , A. Porredon , A. Pourtsidou , J. Prat , C. Preston , M. Raveri , W. Riquelme , M. Rodriguez-Monroy , P. Rogozenski , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. Rozo , E. S. Rykoff , S. Samuroff , C. Sánchez , E. Sanchez , D. Sanchez Cid , T. Schutt , I. Sevilla-Noarbe , E. Sheldon , N. Sherman , T. Shin , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , C. To , A. Tong , L. Toribio San Cipriano , M. A. Troxel , M. Tsedrik , D. L. Tucker , V. Vikram , A. R. Walker , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , J. Weller , V. Wetzell , A. Whyley , R. D. Wilkinson , P. Wiseman , H. -Y. Wu , M. Yamamoto , B. Yanny , B. Yin , G. Zacharegkas , Y. Zhang , J. Zuntz

The analysis of current and future cosmological surveys of type Ia supernovae (SNe Ia) at high-redshift depends on the accurate photometric classification of the SN events detected. Generating realistic simulations of photometric SN surveys…

This paper details the modeling pipeline and validates the baseline analysis choices of the DES Year 3 joint analysis of galaxy clustering and weak lensing (a so-called "3$\times$2pt" analysis). These analysis choices include the specific…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-31 E. Krause , X. Fang , S. Pandey , L. F. Secco , O. Alves , H. Huang , J. Blazek , J. Prat , J. Zuntz , T. F. Eifler , N. MacCrann , J. DeRose , M. Crocce , A. Porredon , B. Jain , M. A. Troxel , S. Dodelson , D. Huterer , A. R. Liddle , C. D. Leonard , A. Amon , A. Chen , J. Elvin-Poole , A. Ferté , J. Muir , Y. Park , S. Samuroff , A. Brandao-Souza , N. Weaverdyck , G. Zacharegkas , R. Rosenfeld , A. Campos , P. Chintalapati , A. Choi , E. Di Valentino , C. Doux , K. Herner , P. Lemos , J. Mena-Fernández , Y. Omori , M. Paterno , M. Rodriguez-Monroy , P. Rogozenski , R. P. Rollins , A. Troja , I. Tutusaus , R. H. Wechsler , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , D. Bacon , E. Baxter , K. Bechtol , G. M. Bernstein , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , A. E. Evrard , I. Ferrero , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , E. M. Huff , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Myles , A. Palmese , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga , J. Weller

We present a forward-modelling simulation framework designed to model the data products from the Dark Energy Survey (DES). This forward-model process can be thought of as a transfer function -- a mapping from cosmological and astronomical…

We present constraints on cosmic structure growth from the analysis of galaxy clustering and galaxy-galaxy lensing with galaxies from the Dark Energy Spectroscopic Instrument (DESI) Data Release 1. We analyze four samples drawn from the…

We present a cosmological analysis using the second and third moments of the weak lensing mass (convergence) maps from the first three years of data (Y3) data of the Dark Energy Survey (DES). The survey spans an effective area of 4139…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-12 M. Gatti , B. Jain , C. Chang , M. Raveri , D. Zürcher , L. Secco , L. Whiteway , N. Jeffrey , C. Doux , T. Kacprzak , D. Bacon , P. Fosalba , A. Alarcon , A. Amon , K. Bechtol , M. Becker , G. Bernstein , J. Blazek , A. Campos , A. Choi , C. Davis , J. Derose , S. Dodelson , F. Elsner , J. Elvin-Poole , S. Everett , A. Ferte , D. Gruen , I. Harrison , D. Huterer , M. Jarvis , E. Krause , P. F. Leget , P. Lemos , N. Maccrann , J. Mccullough , J. Muir , J. Myles , A. Navarro , S. Pandey , J. Prat , R. P. Rollins , A. Roodman , C. Sanchez , E. Sheldon , T. Shin , M. Troxel , I. Tutusaus , B. Yin , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Anni , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Cawthon , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , A. Drlica-Wagner , K. Eckert , A. E. Evrard , I. Ferrero , J. García-Bellido , E. Gaztanaga , T. Giannantonio , R. A. Gruendl , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Laha , C. Lidman , M. A. G. Maia , J. L. Marshall , P. Melchior , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , K. Reil , M. Rodriguez-Monroyv , A. K. Romer , E. Sanchez , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga

Cosmological parameter constraints from recent galaxy imaging surveys are reaching $2-3\%$-level accuracy. The upcoming Legacy Survey of Space and Time (LSST) of the Vera C. Rubin Observatory will produce sub-percent level measurements of…

Upcoming galaxy surveys will allow us to probe the growth of the cosmic large-scale structure with improved sensitivity compared to current missions, and will also map larger areas of the sky. This means that in addition to the increased…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-31 Matteo Martinelli , Roohi Dalal , Fereshteh Majidi , Yashar Akrami , Stefano Camera , Elena Sellentin

We present a cosmological analysis of the third-order aperture mass statistic using Dark Energy Survey Year 3 (DES Y3) data. We perform a complete tomographic measurement of the three-point correlation function of the Y3 weak lensing shape…

Data analysis from upcoming large galaxy redshift surveys, such as Euclid and DESI will significantly improve constraints on cosmological parameters. To optimally extract the information from these galaxy surveys, it is important to control…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-22 S. Gouyou Beauchamps , P. Baratta , S. Escoffier , W. Gillard , J. Bel , J. Bautista , C. Carbone

Future large-scale structure surveys of the Universe will aim to constrain the cosmological model and the true nature of dark energy with unprecedented accuracy. In order for these surveys to achieve their designed goals, they will require…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Robert E. Smith , Darren S. Reed , Doug Potter , Laura Marian , Martin Crocce , Ben Moore

We present a combined tomographic weak gravitational lensing analysis of the Kilo Degree Survey (KV450) and the Dark Energy Survey (DES-Y1). We homogenize the analysis of these two public cosmic shear datasets by adopting consistent priors…

We derive cosmological parameter constraints from the Dark Energy Spectroscopic Instrument (DESI) Data Release 1 (DR1) galaxy clustering data, based on a joint full-shape analysis of the power spectrum multipoles and the bispectrum monopole…