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Joint studies of imaging and spectroscopic samples, informed by theory and simulations, offer the potential for comprehensive tests of the cosmological model over redshifts z<1.5. Spectroscopic galaxy samples at these redshifts can be…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-15 Kyle Dawson , Andrew Hearin , Katrin Heitmann , Mustapha Ishak , Johannes Ulf Lange , Martin White , Rongpu Zhou

One of the main science goals of the Large Synoptic Survey Telescope (LSST) is to uncover the nature of cosmic acceleration. In the base analysis, possible deviations from the Lambda-Cold-Dark-Matter ($\Lambda$CDM) background evolution will…

We report the combined results of eight searches for strong gravitational lens systems in the full 5,000 sq. deg. of Dark Energy Survey (DES) observations. The observations accumulated by the end of the third observing season fully covered…

The Dark Energy Survey (DES) will use a new imaging camera on the Blanco 4-m telescope at CTIO to image 5000 square degrees of sky in the South Galactic Cap in four optical bands, and to carry out repeat imaging over a smaller area to…

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…

(Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a single wide-deep-fast sky survey, and LSST will have unique…

Astrophysics · Physics 2019-08-13 Željko Ivezić , Steven M. Kahn , J. Anthony Tyson , Bob Abel , Emily Acosta , Robyn Allsman , David Alonso , Yusra AlSayyad , Scott F. Anderson , John Andrew , James Roger P. Angel , George Z. Angeli , Reza Ansari , Pierre Antilogus , Constanza Araujo , Robert Armstrong , Kirk T. Arndt , Pierre Astier , Éric Aubourg , Nicole Auza , Tim S. Axelrod , Deborah J. Bard , Jeff D. Barr , Aurelian Barrau , James G. Bartlett , Amanda E. Bauer , Brian J. Bauman , Sylvain Baumont , Andrew C. Becker , Jacek Becla , Cristina Beldica , Steve Bellavia , Federica B. Bianco , Rahul Biswas , Guillaume Blanc , Jonathan Blazek , Roger D. Blandford , Josh S. Bloom , Joanne Bogart , Tim W. Bond , Anders W. Borgland , Kirk Borne , James F. Bosch , Dominique Boutigny , Craig A. Brackett , Andrew Bradshaw , William Nielsen Brandt , Michael E. Brown , James S. Bullock , Patricia Burchat , David L. Burke , Gianpietro Cagnoli , Daniel Calabrese , Shawn Callahan , Alice L. Callen , Srinivasan Chandrasekharan , Glenaver Charles-Emerson , Steve Chesley , Elliott C. Cheu , Hsin-Fang Chiang , James Chiang , Carol Chirino , Derek Chow , David R. Ciardi , Charles F. Claver , Johann Cohen-Tanugi , Joseph J. Cockrum , Rebecca Coles , Andrew J. Connolly , Kem H. Cook , Asantha Cooray , Kevin R. Covey , Chris Cribbs , Wei Cui , Roc Cutri , Philip N. Daly , Scott F. Daniel , Felipe Daruich , Guillaume Daubard , Greg Daues , William Dawson , Francisco Delgado , Alfred Dellapenna , Robert de Peyster , Miguel de Val-Borro , Seth W. Digel , Peter Doherty , Richard Dubois , Gregory P. Dubois-Felsmann , Josef Durech , Frossie Economou , Michael Eracleous , Henry Ferguson , Enrique Figueroa , Merlin Fisher-Levine , Warren Focke , Michael D. Foss , James Frank , Michael D. Freemon , Emmanuel Gangler , Eric Gawiser , John C. Geary , Perry Gee , Marla Geha , Charles J. B. Gessner , Robert R. Gibson , D. Kirk Gilmore , Thomas Glanzman , William Glick , Tatiana Goldina , Daniel A. Goldstein , Iain Goodenow , Melissa L. Graham , William J. Gressler , Philippe Gris , Leanne P. Guy , Augustin Guyonnet , Gunther Haller , Ron Harris , Patrick A. Hascall , Justine Haupt , Fabio Hernandez , Sven Herrmann , Edward Hileman , Joshua Hoblitt , John A. Hodgson , Craig Hogan , Dajun Huang , Michael E. Huffer , Patrick Ingraham , Walter R. Innes , Suzanne H. Jacoby , Bhuvnesh Jain , Fabrice Jammes , James Jee , Tim Jenness , Garrett Jernigan , Darko Jevremović , Kenneth Johns , Anthony S. Johnson , Margaret W. G. Johnson , R. Lynne Jones , Claire Juramy-Gilles , Mario Jurić , Jason S. Kalirai , Nitya J. Kallivayalil , Bryce Kalmbach , Jeffrey P. Kantor , Pierre Karst , Mansi M. Kasliwal , Heather Kelly , Richard Kessler , Veronica Kinnison , David Kirkby , Lloyd Knox , Ivan V. Kotov , Victor L. Krabbendam , K. Simon Krughoff , Petr Kubánek , John Kuczewski , Shri Kulkarni , John Ku , Nadine R. Kurita , Craig S. Lage , Ron Lambert , Travis Lange , J. Brian Langton , Laurent Le Guillou , Deborah Levine , Ming Liang , Kian-Tat Lim , Chris J. Lintott , Kevin E. Long , Margaux Lopez , Paul J. Lotz , Robert H. Lupton , Nate B. Lust , Lauren A. MacArthur , Ashish Mahabal , Rachel Mandelbaum , Darren S. Marsh , Philip J. Marshall , Stuart Marshall , Morgan May , Robert McKercher , Michelle McQueen , Joshua Meyers , Myriam Migliore , Michelle Miller , David J. Mills , Connor Miraval , Joachim Moeyens , David G. Monet , Marc Moniez , Serge Monkewitz , Christopher Montgomery , Fritz Mueller , Gary P. Muller , Freddy Muñoz Arancibia , Douglas R. Neill , Scott P. Newbry , Jean-Yves Nief , Andrei Nomerotski , Martin Nordby , Paul O'Connor , John Oliver , Scot S. Olivier , Knut Olsen , William O'Mullane , Sandra Ortiz , Shawn Osier , Russell E. Owen , Reynald Pain , Paul E. Palecek , John K. Parejko , James B. Parsons , Nathan M. Pease , J. Matt Peterson , John R. Peterson , Donald L. Petravick , M. E. Libby Petrick , Cathy E. Petry , Francesco Pierfederici , Stephen Pietrowicz , Rob Pike , Philip A. Pinto , Raymond Plante , Stephen Plate , Paul A. Price , Michael Prouza , Veljko Radeka , Jayadev Rajagopal , Andrew P. Rasmussen , Nicolas Regnault , Kevin A. Reil , David J. Reiss , Michael A. Reuter , Stephen T. Ridgway , Vincent J. Riot , Steve Ritz , Sean Robinson , William Roby , Aaron Roodman , Wayne Rosing , Cecille Roucelle , Matthew R. Rumore , Stefano Russo , Abhijit Saha , Benoit Sassolas , Terry L. Schalk , Pim Schellart , Rafe H. Schindler , Samuel Schmidt , Donald P. Schneider , Michael D. Schneider , William Schoening , German Schumacher , Megan E. Schwamb , Jacques Sebag , Brian Selvy , Glenn H. Sembroski , Lynn G. Seppala , Andrew Serio , Eduardo Serrano , Richard A. Shaw , Ian Shipsey , Jonathan Sick , Nicole Silvestri , Colin T. Slater , J. Allyn Smith , R. Chris Smith , Shahram Sobhani , Christine Soldahl , Lisa Storrie-Lombardi , Edward Stover , Michael A. Strauss , Rachel A. Street , Christopher W. Stubbs , Ian S. Sullivan , Donald Sweeney , John D. Swinbank , Alexander Szalay , Peter Takacs , Stephen A. Tether , Jon J. Thaler , John Gregg Thayer , Sandrine Thomas , Vaikunth Thukral , Jeffrey Tice , David E. Trilling , Max Turri , Richard Van Berg , Daniel Vanden Berk , Kurt Vetter , Francoise Virieux , Tomislav Vucina , William Wahl , Lucianne Walkowicz , Brian Walsh , Christopher W. Walter , Daniel L. Wang , Shin-Yawn Wang , Michael Warner , Oliver Wiecha , Beth Willman , Scott E. Winters , David Wittman , Sidney C. Wolff , W. Michael Wood-Vasey , Xiuqin Wu , Bo Xin , Peter Yoachim , Hu Zhan

We present the methodology for the weak lensing and galaxy clustering analyses of the Dark Energy Survey (DES) Year 6 data set. In this work, we design and validate the analysis pipeline for the cosmic shear, galaxy clustering plus…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-22 D. Sanchez-Cid , A. Ferté , J. Blazek , S. Samuroff , A. Amon , F. Andrade-Oliveira , J. M. Coloma-Nadal , J. Muir , A. Porredon , J. Prat , N. Weaverdyck , M. Yamamoto , D. Anbajagane , M. R. Becker , P. Carrilho , C. Chang , M. Crocce , G. Giannini , W. d'Assignies , J. DeRose , S. Dodelson , E. Krause , E. Legnani , J. Mena-Fernández , N. MacCrann , A. Pourtsidou , C. Preston , P. Rogozenski , M. Rodriguez-Monroy , R. Rosenfeld , E. Sanchez , I. Sevilla-Noarbe , M. Soares-Santos , C. To , M. A. Troxel , M. Tsedrik , B. Yin , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , S. Avila , D. Bacon , K. Bechtol , E. Bertin , S. Bocquet , D. Brooks , H. Camacho , R. Camilleri , A. Campos , A. Carnero Rosell , J. Carretero , F. J. Castander , R. Cawthon , A. Choi , L. N. da Costa , M. E. da Silva Pereira , T. M. Davis , J. De Vicente , S. Desai , C. Doux , A. Drlica-Wagner , T. Eifler , J. Elvin-Poole , S. Everett , A. E. Evrard , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , P. Giles , K. Glazebrook , D. Gruen , G. Gutierrez , I. Harrison , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , N. Jeffrey , T. Kacprzak , K. Kuehn , O. Lahav , S. Lee , J. L. Marshall , F. Menanteau , R. Miquel , J. J. Mohr , J. Myles , R. C. Nichol , R. L. C. Ogando , A. Palmese , M. Paterno , W. J. Percival , A. A. Plazas Malagón , M. Raveri , A. Roodman , C. Sánchez , T. Schutt , E. Sheldon , N. Sherman , T. Shin , M. Smith , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , B. Yanny

We carry out an independent re-analysis of the Dark Energy Spectroscopic Instrument (DESI) public dataset, focusing on extensions to the standard cosmological model, $\Lambda$CDM. Utilizing the dataset and Effective Field Theory (EFT)-based…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-15 Anton Chudaykin , Mikhail M. Ivanov , Oliver H. E. Philcox

To extend LSST's coverage of the transient and variable sky down to minute timescales, we propose that observations of the Deep Drilling Fields are acquired in sequences of continuous exposures each lasting 2--4 hours. This will allow LSST…

Instrumentation and Methods for Astrophysics · Physics 2018-12-10 Keaton J. Bell , J. J. Hermes

We use 26 million galaxies from the Dark Energy Survey (DES) Year 1 shape catalogs over 1321 deg$^2$ of the sky to produce the most significant measurement of cosmic shear in a galaxy survey to date. We constrain cosmological parameters in…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 M. A. Troxel , N. MacCrann , J. Zuntz , T. F. Eifler , E. Krause , S. Dodelson , D. Gruen , J. Blazek , O. Friedrich , S. Samuroff , J. Prat , L. F. Secco , C. Davis , A. Ferté , J. DeRose , A. Alarcon , A. Amara , E. Baxter , M. R. Becker , G. M. Bernstein , S. L. Bridle , R. Cawthon , C. Chang , A. Choi , J. De Vicente , A. Drlica-Wagner , J. Elvin-Poole , J. Frieman , M. Gatti , W. G. Hartley , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , M. Jarvis , T. Kacprzak , D. Kirk , N. Kokron , C. Krawiec , O. Lahav , A. R. Liddle , J. Peacock , M. M. Rau , A. Refregier , R. P. Rollins , E. Rozo , E. S. Rykoff , C. Sánchez , I. Sevilla-Noarbe , E. Sheldon , A. Stebbins , T. N. Varga , P. Vielzeuf , M. Wang , R. H. Wechsler , B. Yanny , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Lévy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , E. Fernandez , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , S. Kent , K. Kuehn , S. Kuhlmann , N. Kuropatkin , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , E. Neilsen , R. C. Nichol , B. Nord , D. Petravick , A. A. Plazas , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , J. Weller , Y. Zhang

We present the methodology for and detail the implementation of the Dark Energy Survey (DES) 3x2pt DES Year 1 (Y1) analysis, which combines configuration-space two-point statistics from three different cosmological probes: cosmic shear,…

Strong lensing gravitational time delays are a powerful and cost effective probe of dark energy. Recent studies have shown that a single lens can provide a distance measurement with 6-7 % accuracy (including random and systematic…

Cosmic surveys provide crucial information about high energy physics including strong evidence for dark energy, dark matter, and inflation. Ongoing and upcoming surveys will start to identify the underlying physics of these new phenomena,…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Scott Dodelson , Katrin Heitmann , Chris Hirata , Klaus Honscheid , Aaron Roodman , Uroš Seljak , Anže Slosar , Mark Trodden

The Dark Energy Spectroscopic Instrument (DESI) is a massively multiplexed fiber-fed spectrograph that will make the next major advance in dark energy in the timeframe 2018-2022. On the Mayall telescope, DESI will obtain spectra and…

We present the first cosmology results from large-scale structure in the Dark Energy Survey (DES) spanning 5000 deg$^2$. We perform an analysis combining three two-point correlation functions (3$\times$2pt): (i) cosmic shear using 100…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-22 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , S. Avila , D. Bacon , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , S. Bhargava , S. Birrer , J. Blazek , A. Brandao-Souza , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , H. Camacho , A. Campos , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , A. Chen , R. Chen , A. Choi , C. Conselice , J. Cordero , M. Costanzi , M. Crocce , L. N. da Costa , M. E. da Silva Pereira , C. Davis , T. M. Davis , J. De Vicente , J. DeRose , S. Desai , E. Di Valentino , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , A. E. Evrard , X. Fang , A. Farahi , E. Fernandez , I. Ferrero , A. Ferté , P. Fosalba , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , G. Giannini , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , A. Kovacs , E. Krause , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , P. -F. Leget , P. Lemos , A. R. Liddle , C. Lidman , M. Lima , H. Lin , N. MacCrann , M. A. G. Maia , J. L. Marshall , P. Martini , J. McCullough , P. Melchior , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Muir , J. Myles , S. Nadathur , A. Navarro-Alsina , R. C. Nichol , R. L. C. Ogando , Y. Omori , A. Palmese , S. Pandey , Y. Park , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Raveri , M. Rodriguez-Monroy , R. P. Rollins , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , S. Samuroff , C. Sánchez , E. Sanchez , J. Sanchez , D. Sanchez Cid , V. Scarpine , M. Schubnell , D. Scolnic , L. F. Secco , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , C. To , A. Troja , M. A. Troxel , D. L. Tucker , I. Tutusaus , T. N. Varga , A. R. Walker , N. Weaverdyck , R. Wechsler , J. Weller , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

Despite efforts over several decades, direct-detection experiments have not yet led to the discovery of the dark matter (DM) particle. This has led to increasing interest in alternatives to the Lambda CDM (LCDM) paradigm and alternative DM…

We baseline with current cosmological observations to forecast the power of the Dark Energy Spectroscopic Instrument (DESI) in two ways: 1. the gain in constraining power of parameter combinations in the standard $\Lambda$CDM model, and 2.…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-29 Samuel Goldstein , Minsu Park , Marco Raveri , Bhuvnesh Jain , Lado Samushia

In the near future, the redshift drift observations in optical and radio bands will provide precise measurements on $H(z)$ covering the redshift ranges of $2<z<5$ and $0<z<0.3$. In addition, gravitational wave (GW) standard siren…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-22 Jing-Zhao Qi , Shang-Jie Jin , Xi-Long Fan , Jing-Fei Zhang , Xin Zhang