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We present weak lensing shear catalogues for 139 square degrees of data taken during the Science Verification (SV) time for the new Dark Energy Camera (DECam) being used for the Dark Energy Survey (DES). We describe our object selection,…

DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 DESI Collaboration , Amir Aghamousa , Jessica Aguilar , Steve Ahlen , Shadab Alam , Lori E. Allen , Carlos Allende Prieto , James Annis , Stephen Bailey , Christophe Balland , Otger Ballester , Charles Baltay , Lucas Beaufore , Chris Bebek , Timothy C. Beers , Eric F. Bell , José Luis Bernal , Robert Besuner , Florian Beutler , Chris Blake , Hannes Bleuler , Michael Blomqvist , Robert Blum , Adam S. Bolton , Cesar Briceno , David Brooks , Joel R. Brownstein , Elizabeth Buckley-Geer , Angela Burden , Etienne Burtin , Nicolas G. Busca , Robert N. Cahn , Yan-Chuan Cai , Laia Cardiel-Sas , Raymond G. Carlberg , Pierre-Henri Carton , Ricard Casas , Francisco J. Castander , Jorge L. Cervantes-Cota , Todd M. Claybaugh , Madeline Close , Carl T. Coker , Shaun Cole , Johan Comparat , Andrew P. Cooper , M. -C. Cousinou , Martin Crocce , Jean-Gabriel Cuby , Daniel P. Cunningham , Tamara M. Davis , Kyle S. Dawson , Axel de la Macorra , Juan De Vicente , Timothée Delubac , Mark Derwent , Arjun Dey , Govinda Dhungana , Zhejie Ding , Peter Doel , Yutong T. Duan , Anne Ealet , Jerry Edelstein , Sarah Eftekharzadeh , Daniel J. Eisenstein , Ann Elliott , Stéphanie Escoffier , Matthew Evatt , Parker Fagrelius , Xiaohui Fan , Kevin Fanning , Arya Farahi , Jay Farihi , Ginevra Favole , Yu Feng , Enrique Fernandez , Joseph R. Findlay , Douglas P. Finkbeiner , Michael J. Fitzpatrick , Brenna Flaugher , Samuel Flender , Andreu Font-Ribera , Jaime E. Forero-Romero , Pablo Fosalba , Carlos S. Frenk , Michele Fumagalli , Boris T. Gaensicke , Giuseppe Gallo , Juan Garcia-Bellido , Enrique Gaztanaga , Nicola Pietro Gentile Fusillo , Terry Gerard , Irena Gershkovich , Tommaso Giannantonio , Denis Gillet , Guillermo Gonzalez-de-Rivera , Violeta Gonzalez-Perez , Shelby Gott , Or Graur , Gaston Gutierrez , Julien Guy , Salman Habib , Henry Heetderks , Ian Heetderks , Katrin Heitmann , Wojciech A. Hellwing , David A. Herrera , Shirley Ho , Stephen Holland , Klaus Honscheid , Eric Huff , Timothy A. Hutchinson , Dragan Huterer , Ho Seong Hwang , Joseph Maria Illa Laguna , Yuzo Ishikawa , Dianna Jacobs , Niall Jeffrey , Patrick Jelinsky , Elise Jennings , Linhua Jiang , Jorge Jimenez , Jennifer Johnson , Richard Joyce , Eric Jullo , Stéphanie Juneau , Sami Kama , Armin Karcher , Sonia Karkar , Robert Kehoe , Noble Kennamer , Stephen Kent , Martin Kilbinger , Alex G. Kim , David Kirkby , Theodore Kisner , Ellie Kitanidis , Jean-Paul Kneib , Sergey Koposov , Eve Kovacs , Kazuya Koyama , Anthony Kremin , Richard Kron , Luzius Kronig , Andrea Kueter-Young , Cedric G. Lacey , Robin Lafever , Ofer Lahav , Andrew Lambert , Michael Lampton , Martin Landriau , Dustin Lang , Tod R. Lauer , Jean-Marc Le Goff , Laurent Le Guillou , Auguste Le Van Suu , Jae Hyeon Lee , Su-Jeong Lee , Daniela Leitner , Michael Lesser , Michael E. Levi , Benjamin L'Huillier , Baojiu Li , Ming Liang , Huan Lin , Eric Linder , Sarah R. Loebman , Zarija Lukić , Jun Ma , Niall MacCrann , Christophe Magneville , Laleh Makarem , Marc Manera , Christopher J. Manser , Robert Marshall , Paul Martini , Richard Massey , Thomas Matheson , Jeremy McCauley , Patrick McDonald , Ian D. McGreer , Aaron Meisner , Nigel Metcalfe , Timothy N. Miller , Ramon Miquel , John Moustakas , Adam Myers , Milind Naik , Jeffrey A. Newman , Robert C. Nichol , Andrina Nicola , Luiz Nicolati da Costa , Jundan Nie , Gustavo Niz , Peder Norberg , Brian Nord , Dara Norman , Peter Nugent , Thomas O'Brien , Minji Oh , Knut A. G. Olsen , Cristobal Padilla , Hamsa Padmanabhan , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Antonella Palmese , Daniel Pappalardo , Isabelle Pâris , Changbom Park , Anna Patej , John A. Peacock , Hiranya V. Peiris , Xiyan Peng , Will J. Percival , Sandrine Perruchot , Matthew M. Pieri , Richard Pogge , Jennifer E. Pollack , Claire Poppett , Francisco Prada , Abhishek Prakash , Ronald G. Probst , David Rabinowitz , Anand Raichoor , Chang Hee Ree , Alexandre Refregier , Xavier Regal , Beth Reid , Kevin Reil , Mehdi Rezaie , Constance M. Rockosi , Natalie Roe , Samuel Ronayette , Aaron Roodman , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , Eduardo Rozo , Vanina Ruhlmann-Kleider , Eli S. Rykoff , Cristiano Sabiu , Lado Samushia , Eusebio Sanchez , Javier Sanchez , David J. Schlegel , Michael Schneider , Michael Schubnell , Aurélia Secroun , Uros Seljak , Hee-Jong Seo , Santiago Serrano , Arman Shafieloo , Huanyuan Shan , Ray Sharples , Michael J. Sholl , William V. Shourt , Joseph H. Silber , David R. Silva , Martin M. Sirk , Anze Slosar , Alex Smith , George F. Smoot , Debopam Som , Yong-Seon Song , David Sprayberry , Ryan Staten , Andy Stefanik , Gregory Tarle , Suk Sien Tie , Jeremy L. Tinker , Rita Tojeiro , Francisco Valdes , Octavio Valenzuela , Monica Valluri , Mariana Vargas-Magana , Licia Verde , Alistair R. Walker , Jiali Wang , Yuting Wang , Benjamin A. Weaver , Curtis Weaverdyck , Risa H. Wechsler , David H. Weinberg , Martin White , Qian Yang , Christophe Yeche , Tianmeng Zhang , Gong-Bo Zhao , Yi Zheng , Xu Zhou , Zhimin Zhou , Yaling Zhu , Hu Zou , Ying Zu

We review the measurements of dark energy enabled by observations of the Deep Drilling Fields and the optimization of survey design for cosmological measurements. This white paper is the result of efforts by the LSST DESC Observing Strategy…

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

We present improved cosmological constraints from a re-analysis of the Dark Energy Survey (DES) 5-year sample of Type Ia supernovae (DES-SN5YR). This re-analysis includes an improved photometric cross-calibration, recent white dwarf…

DECal is a new calibration system for the CTIO 4 m Blanco telescope. It is currently being installed as part of the Dark Energy Survey and will provide both broadband flat fields and narrowband (about 1 nm bandwidth) spectrophotometric…

Destiny is a simple, direct, low cost mission to determine the properties of dark energy by obtaining a cosmologically deep supernova (SN) type Ia Hubble diagram. Operated at L2, its science instrument is a 1.65m space telescope, featuring…

Astrophysics · Physics 2009-11-11 Dominic J. Benford , Tod R. Lauer

The fiducial cosmological analyses of imaging galaxy surveys like the Dark Energy Survey (DES) typically probe the Universe at redshifts $z < 1$. This is mainly because of the limited depth of these surveys, and also because such analyses…

The Blanco Cosmology Survey (BCS) is a 60 night imaging survey of $\sim$80 deg$^2$ of the southern sky located in two fields: ($\alpha$,$\delta$)= (5 hr, $-55^{\circ}$) and (23 hr, $-55^{\circ}$). The survey was carried out between 2005 and…

We present the first constraints on cosmology from the Dark Energy Survey (DES), using weak lensing measurements from the preliminary Science Verification (SV) data. We use 139 square degrees of SV data, which is less than 3\% of the full…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-05 The Dark Energy Survey Collaboration , T. Abbott , F. B. Abdalla , S. Allam , A. Amara , J. Annis , R. Armstrong , D. Bacon , M. Banerji , A. H. Bauer , E. Baxter , M. R. Becker , A. Benoit-Lévy , R. A. Bernstein , G. M. Bernstein , E. Bertin , J. Blazek , C. Bonnett , S. L. Bridle , D. Brooks , C. Bruderer , E. Buckley-Geer , D. L. Burke , M. T. Busha , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. Chang , J. Clampitt , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , R. Das , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , A. Drlica-Wagner , G. Efstathiou , T. F. Eifler , B. Erickson , J. Estrada , A. E. Evrard , A. Fausti Neto , E. Fernandez , D. A. Finley , B. Flaugher , P. Fosalba , O. Friedrich , J. Frieman , C. Gangkofner , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , W. Hartley , M. Hirsch , K. Honscheid , E. M. Huff , B. Jain , D. J. James , M. Jarvis , T. Kacprzak , S. Kent , D. Kirk , E. Krause , A. Kravtsov , K. Kuehn , N. Kuropatkin , J. Kwan , O. Lahav , B. Leistedt , T. S. Li , M. Lima , H. Lin , N. MacCrann , M. March , J. L. Marshall , P. Martini , R. G. McMahon , P. Melchior , C. J. Miller , R. Miquel , J. J. Mohr , E. Neilsen , R. C. Nichol , A. Nicola , B. Nord , R. Ogando , A. Palmese , H. V. Peiris , A. A. Plazas , A. Refregier , N. Roe , A. K. Romer , A. Roodman , B. Rowe , E. S. Rykoff , C. Sabiu , I. Sadeh , M. Sako , S. Samuroff , C. Sánchez , E. Sanchez , H. Seo , I. Sevilla-Noarbe , E. Sheldon , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , M. A. Troxel , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , Y. Zhang , J. Zuntz

The effective redshift distribution $n(z)$ of galaxies is a critical component in the study of weak gravitational lensing. Here, we introduce a new method for determining $n(z)$ for weak lensing surveys based on high-quality redshifts and…

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…

The Dark Energy Spectroscopic Instrument (DESI) is a stage IV ground-based dark energy experiment planned to begin operations in 2020. In this article, we provided a short review of DESI presented during the conference {\it Recontres de…

Instrumentation and Methods for Astrophysics · Physics 2019-01-08 Mariana Vargas-Magana , David D. Brooks , Michael M. Levi , Gregory G. Tarle

The Large Synoptic Survey Telescope (LSST) Dark Energy Science Collaboration (DESC) will use five cosmological probes: galaxy clusters, large scale structure, supernovae, strong lensing, and weak lensing. This Science Requirements Document…

Deep optical and near-infrared imaging of the entire Galactic plane is essential for understanding our Galaxy's stars, gas, and dust. The second data release of the DECam Plane Survey (DECaPS2) extends the five-band optical and…

The Dark Energy Camera is a new imager with a 2.2-degree diameter field of view mounted at the prime focus of the Victor M. Blanco 4-meter telescope on Cerro Tololo near La Serena, Chile. The camera was designed and constructed by the Dark…

Instrumentation and Methods for Astrophysics · Physics 2015-10-28 B. Flaugher , H. T. Diehl , K. Honscheid , T. M. C. Abbott , O. Alvarez , R. Angstadt , J. T. Annis , M. Antonik , O. Ballester , L. Beaufore , G. M. Bernstein , R. A. Bernstein , B. Bigelow , M. Bonati , D. Boprie , D. Brooks , E. J. Buckley-Geer , J. Campa , L. Cardiel-Sas , F. J. Castander , J. Castilla , H. Cease , J. M. Cela-Ruiz , S. Chappa , E. Chi , C. Cooper , L. N. da Costa , E. Dede , G. Derylo , D. L. DePoy , J. de Vicente , P. Doel , A. Drlica-Wagner , J. Eiting , A. E. Elliott , J. Emes , J. Estrada , A. Fausti Neto , D. A. Finley , R. Flores , J. Frieman , D. Gerdes , M. D. Gladders , B. Gregory , G. R. Gutierrez , J. Hao , S. E. Holland , S. Holm , D. Huffman , C. Jackson , D. J. James , M. Jonas , A. Karcher , I. Karliner , S. Kent , R. Kessler , M. Kozlovsky , R. G. Kron , D. Kubik , K. Kuehn , S. Kuhlmann , K. Kuk , O. Lahav , A. Lathrop , J. Lee , M. E. Levi , P. Lewis , T. S. Li , I. Mandrichenko , J. L. Marshall , G. Martinez , K. W. Merritt , R. Miquel , F. Munoz , E. H. Neilsen , R. C. Nichol , B. Nord , R. Ogando , J. Olsen , N. Palio , K. Patton , J. Peoples , A. A. Plazas , J. Rauch , K. Reil , J. -P. Rheault , N. A. Roe , H. Rogers , A. Roodman , E. Sanchez , V. Scarpine , R. H. Schindler , R. Schmidt , R. Schmitt , M. Schubnell , K. Schultz , P. Schurter , L. Scott , S. Serrano , T. M. Shaw , R. C. Smith , M. Soares-Santos , A. Stefanik , W. Stuermer , E. Suchyta , A. Sypniewski , G. Tarle , J. Thaler , R. Tighe , C. Tran , D. Tucker , A. R. Walker , G. Wang , M. Watson , C. Weaverdyck , W. Wester , R. Woods , B. Yanny

We constrain extensions to the $\Lambda$CDM model using measurements from the Dark Energy Survey's first three years of observations and external data. The DES data are the two-point correlation functions of weak gravitational lensing,…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-31 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , O. Alves , A. Amon , J. Annis , S. Avila , D. Bacon , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , S. Birrer , J. Blazek , S. Bocquet , A. Brandao-Souza , S. L. Bridle , D. Brooks , 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. S. Pereira , C. Davis , T. M. Davis , J. DeRose , S. Desai , E. Di Valentino , H. T. Diehl , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , X. Fang , A. Farahi , I. Ferrero , A. Ferté , B. Flaugher , P. Fosalba , D. Friedel , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , L. Giani , T. Giannantonio , G. Giannini , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , N. Hamaus , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , H. Huang , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , A. Kovacs , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , S. Lee , P. -F. Leget , P. Lemos , C. D. Leonard , A. R. Liddle , M. Lima , H. Lin , N. MacCrann , J. L. Marshall , J. McCullough , J. Mena-Fernández , F. Menanteau , R. Miquel , V. Miranda , J. J. Mohr , J. Muir , J. Myles , S. Nadathur , A. Navarro-Alsina , R. C. Nichol , R. L. C. Ogando , Y. Omori , A. Palmese , S. Pandey , Y. Park , M. Paterno , F. Paz-Chinchón , W. J. Percival , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Raveri , M. Rodriguez-Monroy , P. Rogozenski , 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 , D. Scolnic , L. F. Secco , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. Smith , M. Soares-Santos , E. Suchyta , M. Tabbutt , G. Tarle , D. Thomas , C. To , A. Troja , M. A. Troxel , I. Tutusaus , T. N. Varga , M. Vincenzi , A. R. Walker , N. Weaverdyck , R. H. Wechsler , J. Weller , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

The Dark Energy Spectroscopic Instrument (DESI) is an ongoing spectroscopic survey to measure the dark energy equation of state to unprecedented precision. We describe the DESI Sky Continuum Monitor System, which tracks the night sky…

Giving rise to a new and exciting research field, observations of the last 13 years established the accelerated expansion of the Universe. This is a strong indication of new physics, either in the form of a new energy component of the…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-07 Marcelle Soares-Santos