Related papers: Constraining Dark Energy with DEEP2

Weak Lensing and Dark Energy

We study the power of upcoming weak lensing surveys to probe dark energy. Dark energy modifies the distance-redshift relation as well as the matter power spectrum, both of which affect the weak lensing convergence power spectrum. Some…

Astrophysics · Physics 2009-11-06 Dragan Huterer

The WiggleZ Dark Energy Survey: Survey Design and First Data Release

The WiggleZ Dark Energy Survey is a survey of 240,000 emission line galaxies in the distant universe, measured with the AAOmega spectrograph on the 3.9-m Anglo-Australian Telescope (AAT). The target galaxies are selected using ultraviolet…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Michael J. Drinkwater , Russell J. Jurek , Chris Blake , David Woods , Kevin A. Pimbblet , Karl Glazebrook , Rob Sharp , Michael B. Pracy , Sarah Brough , Matthew Colless , Warrick J. Couch , Scott M. Croom , Tamara M. Davis , Duncan Forbes , Karl Forster , David G. Gilbank , Michael Gladders , Ben Jelliffe , Nick Jones , I-hui Li , Barry Madore , D. Christopher Martin , Gregory B. Poole , Todd Small , Emily Wisnioski , Ted Wyder , H. K. C. Yee

Constraints on dark energy from the CSST galaxy clusters

We study the potential of the galaxy cluster sample expected from the China Space Station Telescope (CSST) survey to constrain dark energy properties. By modelling the distribution of observed cluster mass for a given true mass to be…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-04 Yufei Zhang , Mingjing Chen , Zhonglue Wen , Wenjuan Fang

Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument

The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg$^2$ over five years to constrain the cosmic expansion history through precise measurements of Baryon Acoustic Oscillations (BAO). The…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-17 DESI Collaboration , A. G. Adame , J. Aguilar , S. Ahlen , S. Alam , G. Aldering , D. M. Alexander , R. Alfarsy , C. Allende Prieto , M. Alvarez , O. Alves , A. Anand , F. Andrade-Oliveira , E. Armengaud , J. Asorey , S. Avila , A. Aviles , S. Bailey , A. Balaguera-Antolínez , O. Ballester , C. Baltay , A. Bault , J. Bautista , J. Behera , S. F. Beltran , S. BenZvi , L. Beraldo e Silva , J. R. Bermejo-Climent , A. Berti , R. Besuner , F. Beutler , D. Bianchi , C. Blake , R. Blum , A. S. Bolton , S. Brieden , A. Brodzeller , D. Brooks , Z. Brown , E. Buckley-Geer , E. Burtin , L. Cabayol-Garcia , Z. Cai , R. Canning , L. Cardiel-Sas , A. Carnero Rosell , F. J. Castander , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , J. Chaves-Montero , S. Chen , C. Chuang , T. Claybaugh , S. Cole , A. P. Cooper , A. Cuceu , T. M. Davis , K. Dawson , R. de Belsunce , R. de la Cruz , A. de la Macorra , A. de Mattia , R. Demina , U. Demirbozan , J. DeRose , A. Dey , B. Dey , G. Dhungana , J. Ding , Z. Ding , P. Doel , R. Doshi , K. Douglass , A. Edge , S. Eftekharzadeh , D. J. Eisenstein , A. Elliott , S. Escoffier , P. Fagrelius , X. Fan , K. Fanning , V. A. Fawcett , S. Ferraro , J. Ereza , B. Flaugher , A. Font-Ribera , D. Forero-Sánchez , J. E. Forero-Romero , C. S. Frenk , B. T. Gänsicke , L. Á. García , J. García-Bellido , C. Garcia-Quintero , L. H. Garrison , H. Gil-Marín , J. Golden-Marx , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , D. Gruen , J. Guy , B. Hadzhiyska , C. Hahn , J. J. Han , M. M. S Hanif , H. K. Herrera-Alcantar , K. Honscheid , J. Hou , C. Howlett , D. Huterer , V. Iršič , M. Ishak , A. Jana , L. Jiang , J. Jimenez , Y. P. Jing , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , N. Kizhuprakkat , N. G. Karaçaylı , T. Karim , R. Kehoe , S. Kent , A. Khederlarian , S. Kim , D. Kirkby , T. Kisner , F. Kitaura , J. Kneib , S. E. Koposov , A. Kovács , A. Kremin , A. Krolewski , B. L'Huillier , O. Lahav , A. Lambert , C. Lamman , T. -W. Lan , M. Landriau , D. Lang , J. U. Lange , J. Lasker , L. Le Guillou , A. Leauthaud , M. E. Levi , T. S. Li , E. Linder , A. Lyons , C. Magneville , M. Manera , C. J. Manser , D. Margala , P. Martini , P. McDonald , G. E. Medina , L. Medina-Varela , A. Meisner , J. Mena-Fernández , J. Meneses-Rizo , M. Mezcua , R. Miquel , P. Montero-Camacho , J. Moon , S. Moore , J. Moustakas , E. Mueller , J. Mundet , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , L. Napolitano , R. Neveux , J. A. Newman , J. Nie , G. Niz , P. Norberg , H. E. Noriega , E. Paillas , N. Palanque-Delabrouille , A. Palmese , P. Zhiwei , D. Parkinson , S. Penmetsa , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , M. Pieri , C. Poppett , A. Porredon , F. Prada , R. Pucha , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , A. Rocher , C. Rockosi , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , A. Saintonge , L. Samushia , E. Sanchez , C. Saulder , E. Schaan , E. F. Schlafly , D. Schlegel , D. Scholte , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , W. Sheu , J. Silber , F. Sinigaglia , M. Siudek , Z. Slepian , A. Smith , D. Sprayberry , L. Stephey , J. Suárez-Pérez , Z. Sun , T. Tan , G. Tarlé , R. Tojeiro , L. A. Ureña-López , R. Vaisakh , D. Valcin , F. Valdes , M. Valluri , M. Vargas-Magaña , A. Variu , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , M. White , Y. Xie , J. Yang , C. Yèche , J. Yu , S. Yuan , H. Zhang , Z. Zhang , C. Zhao , Z. Zheng , R. Zhou , Z. Zhou , H. Zou , S. Zou , Y. Zu

Survey Operations for the Dark Energy Spectroscopic Instrument

The Dark Energy Spectroscopic Instrument (DESI) survey is a spectroscopic survey of tens of millions of galaxies at $0 < z < 3.5$ covering 14,000 square degrees of the sky. In its first 1.1 years of survey operations, it has observed more…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-16 E. F. Schlafly , D. Kirkby , D. J. Schlegel , A. D. Myers , A. Raichoor , K. Dawson , J. Aguilar , C. Allende Prieto , S. Bailey , S. BenZvi , J. Bermejo-Climent , D. Brooks , A. de la Macorra , Arjun Dey , P. Doel , K. Fanning , A. Font-Ribera , J. E. Forero-Romero , J. García-Bellido , S. Gontcho A Gontcho , J. Guy , C. Hahn , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , A. Kremin , M. Landriau , D. A. Lang , J. Lasker , M. E. Levi , C. Magneville , C. J. Manser , P. Martini , A. M. Meisner , R. Miquel , J. Moustakas , J. A. Newman , Jundan Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , C. Rockosi , A. J. Ross , G. Rossi , G. Tarlé , B. A. Weaver , C. Yèche , R. Zhou

Dark Energy Survey Year 6 Results: Clustering-redshifts and importance sampling of Self-Organised-Maps $n(z)$ realizations for $3\times2$pt samples

This work is part of a series establishing the redshift framework for the $3\times2$pt analysis of the Dark Energy Survey Year 6 (DES Y6). For DES Y6, photometric redshift distributions are estimated using self-organizing maps (SOMs),…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-26 W. d'Assignies , G. M. Bernstein , B. Yin , G. Giannini , A. Alarcon , M. Manera , C. To , M. Yamamoto , N. Weaverdyck , R. Cawthon , M. Gatti , A. Amon , D. Anbajagane , S. Avila , M. R. Becker , K. Bechtol , C. Chang , M. Crocce , J. De Vicente , S. Dodelson , J. Fang , A. Ferté , D. Gruen , E. Legnani , A. Porredon , J. Prat , M. Rodriguez-Monroy , C. Sánchez , T. Schutt , I. Sevilla-Noarbe , D. Sanchez Cid , M. A. Troxel , T. M. C. Abbott , F. Andrade-Oliveira , M. Aguena , O. Alves , D. Bacon , J. Blazek , S. Bocquet , D. Brooks , R. Camilleri , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , L. N. da Costa , M. E. da Silva Pereira , T. M. Davis , S. Desai , P. Doel , C. Doux , A. Drlica-Wagner , T. Eifler , J. Elvin-Poole , S. Everett , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , P. Giles , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , K. Kuehn , O. Lahav , S. Lee , J. L. Marshall , J. Mena-Fernandez , F. Menanteau , R. Miquel , J. Muir , J. Myles , R. L. C. Ogando , A. Palmese , M. Paterno , P. Petravick , A. A. Plazas Malagon , M. Raveri , A. Roodman , S. Samuroff , E. Sanchez , E. Sheldon , T. Shin , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , V. Vikram , A. R. Walker

The DEEP2 Galaxy Redshift Survey: Clustering of Galaxies as a Function of Luminosity at z=1

We measure the clustering of DEEP2 galaxies at z=1 as a function of luminosity on scales 0.1 Mpc/h to 20 Mpc/h. Drawing from a parent catalog of 25,000 galaxies at 0.7<z<1.3 in the full DEEP2 survey, we create volume-limited samples having…

Astrophysics · Physics 2014-10-13 Alison L. Coil , Jeffrey A. Newman , Michael C. Cooper , Marc Davis , S. M. Faber , David C. Koo , Christopher N. A. Willmer

Dark Energy Survey Year 3 Results: Weak Lensing Shape Catalogue

We present and characterise the galaxy shape catalogue from the first 3 years of Dark Energy Survey (DES) observations, over an effective area of ~4143 deg$^2$ of the southern sky. We describe our data analysis process and our…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-10 M. Gatti , E. Sheldon , A. Amon , M. Becker , M. Troxel , A. Choi , C. Doux , N. MacCrann , A. Navarro Alsina , I. Harrison , D. Gruen , G. Bernstein , M. Jarvis , L. F. Secco , A. Ferté , T. Shin , J. McCullough , R. P. Rollins , R. Chen , C. Chang , S. Pandey , I. Tutusaus , J. Prat , J. Elvin-Poole , C. Sanchez , A. A. Plazas , A. Roodman , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , S. Avila , D. Bacon , E. Bertin , S. Bhargava , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. Conselice , M. Costanzi , L. N. da Costa , T. M. Davis , J. De Vicente , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , A. Drlica-Wagner , K. Eckert , S. Everett , I. Ferrero , J. Frieman , J. García-Bellido , D. W. Gerdes , T. Giannantonio , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , D. J. James , T. Jeltema , E. Krause , R. Kron , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , J. L. Marshall , R. Miquel , R. Morgan , J. Myles , A. Palmese , F. Paz-Chinchón , E. S. Rykoff , S. Samuroff , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , D. L. Tucker , T. N. Varga , R. H. Wechsler , J. Weller , W. Wester , R. D. Wilkinson

Constraints on the Energy Content of the Universe from a Combination of Galaxy Cluster Observables

We demonstrate that constraints on cosmological parameters from the distribution of clusters as a function of redshift (dN/dz) are complementary to accurate angular diameter distance (D_A) measurements to clusters, and their combination…

Astrophysics · Physics 2009-11-10 S. M. Molnar , Z. Haiman , M. Birkinshaw , R. F. Mushotzky

Effects of Completeness and Purity on Cluster Dark Energy Constraints

The statistical properties of galaxy clusters can only be used for cosmological purposes if observational effects related to cluster detection are accurately characterized. These effects include the selection function associated to cluster…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-18 Michel Aguena , Marcos Lima

The Dark Energy Survey Data Processing and Calibration System

The Dark Energy Survey (DES) is a 5000 deg2 grizY survey reaching characteristic photometric depths of 24th magnitude (10 sigma) and enabling accurate photometry and morphology of objects ten times fainter than in SDSS. Preparations for DES…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Joseph J. Mohr , Robert Armstrong , Emmanuel Bertin , Gregory E. Daues , Shantanu Desai , Michelle Gower , Robert Gruendl , William Hanlon , Nikolay Kuropatkin , Huan Lin , John Marriner , Don Petravick , Ignacio Sevilla , Molly Swanson , Todd Tomashek , Douglas Tucker , Brian Yanny , the Dark Energy Survey Collaboration

Cosmological constraints from the redshift dependence of the Alcock-Paczynski effect: Dynamical dark energy

We perform an anisotropic clustering analysis of 1,133,326 galaxies from the Sloan Digital Sky Survey (SDSS-III) Baryon Oscillation Spectroscopic Survey (BOSS) Data Release (DR) 12 covering the redshift range $0.15<z<0.69$. The geometrical…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-05 Xiao-Dong Li , Cristiano G. Sabiu , Changbom Park , Yuting Wang , Gong-bo Zhao , Hyunbae Park , Arman Shafieloo , Juhan Kim , Sungwook E. Hong

Probing dark energy via galaxy cluster outskirts

We present a Bayesian approach to combine $Planck$ data and the X-ray physical properties of the intracluster medium in the virialization region of a sample of 320 galaxy clusters ($0.056<z<1.24$, $kT>3$ keV) observed with $Chandra$. We…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-09 Andrea Morandi , Ming Sun

Dark energy with gravitational lens time delays

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…

Cosmology and Nongalactic Astrophysics · Physics 2013-06-07 T. Treu , P. J. Marshall , F. -Y. Cyr-Racine , C. D. Fassnacht , C. R. Keeton , E. V. Linder , L. A. Moustakas , M. Bradac , E. Buckley-Geer , T. Collett , F. Courbin , G. Dobler , D. A. Finley , J. Hjorth , C. S. Kochanek , E. Komatsu , L. V. E. Koopmans , G. Meylan , P. Natarajan , M. Oguri , S. H. Suyu , M. Tewes , K. C. Wong , A. I. Zabludoff , D. Zaritsky , T. Anguita , R. J. Brunner , R. Cabanac , E. E. Falco , A. Fritz , G. Seidel , D. A. Howell , C. Giocoli , N. Jackson , S. Lopez , R. B. Metcalf , V. Motta , T. Verdugo

Dark Energy Survey Year 3 Results: Constraints on cosmological parameters and galaxy bias models from galaxy clustering and galaxy-galaxy lensing using the redMaGiC sample

We constrain cosmological and galaxy-bias parameters using the combination of galaxy clustering and galaxy-galaxy lensing measurements from the Dark Energy Survey Year-3 data. We describe our modeling framework, and choice of scales…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-27 S. Pandey , E. Krause , J. DeRose , N. MacCrann , B. Jain , M. Crocce , J. Blazek , A. Choi , H. Huang , C. To , X. Fang , J. Elvin-Poole , J. Prat , A. Porredon , L. F. Secco , M. Rodriguez-Monroy , N. Weaverdyck , Y. Park , M. Raveri , E. Rozo , E. S. Rykoff , G. M. Bernstein , C. Sánchez , M. Jarvis , M. A. Troxel , G. Zacharegkas , C. Chang , A. Alarcon , O. Alves , A. Amon , F. Andrade-Oliveira , E. Baxter , K. Bechtol , M. R. Becker , H. Camacho , A. Campos , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , R. Chen , P. Chintalapati , C. Davis , E. Di Valentino , H. T. Diehl , S. Dodelson , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , S. Everett , A. Farahi , A. Ferté , P. Fosalba , O. Friedrich , M. Gatti , G. Giannini , D. Gruen , R. A. Gruendl , I. Harrison , W. G. Hartley , E. M. Huff , D. Huterer , P. -F. Leget , J. McCullough , J. Muir , J. Myles , A. Navarro-Alsina , Y. Omori , R. P. Rollins , A. Roodman , R. Rosenfeld , I. Sevilla-Noarbe , E. Sheldon , T. Shin , A. Troja , I. Tutusaus , T. N. Varga , R. H. Wechsler , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , D. Brooks , D. L. Burke , J. Carretero , C. Conselice , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , J. P. Dietrich , P. Doel , A. E. Evrard , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , T. Jeltema , K. Kuehn , N. Kuropatkin , O. Lahav , M. Lima , H. Lin , M. A. G. Maia , J. L. Marshall , P. Melchior , F. Menanteau , C. J. Miller , R. Miquel , J. J. Mohr , R. Morgan , A. Palmese , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , E. Sanchez , V. Scarpine , S. Serrano , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , J. Weller

Optimising large galaxy surveys for ISW detection

We report on investigations of the power of next generation cosmic microwave background and large scale structure surveys in constraining the nature of dark energy through the cross-correlation of the Integrated Sachs Wolfe effect and the…

Astrophysics · Physics 2009-11-13 Marian Douspis , Patricia G. Castro , Chiara Caprini , Nabila Aghanim

Constraining galaxy cluster temperatures and redshifts with eROSITA survey data

The nature of dark energy is imprinted in the large-scale structure of the Universe and thus in the mass and redshift distribution of galaxy clusters. The upcoming eROSITA mission will exploit this method of probing dark energy by detecting…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-05 Katharina Borm , Thomas H. Reiprich , Irshad Mohammed , Lorenzo Lovisari

AEGIS: Chandra Observation of DEEP2 Galaxy Groups and Clusters

We present a 200 ksec Chandra observation of seven spectroscopically selected, high redshift (0.75 < z < 1.03) galaxy groups and clusters discovered by the DEEP2 Galaxy Redshift Survey in the Extended Groth Strip (EGS). X-ray emission at…

Astrophysics · Physics 2009-11-11 T. Fang , B. Gerke , D. Davis , J. Newman , M. Davis , K. Nandra , E. Laird , D. Koo , A. Coil , M. Cooper , D. Croton , R. Yan

Fingerprinting Dark Energy II: weak lensing and galaxy clustering tests

The characterization of dark energy is a central task of cosmology. To go beyond a cosmological constant, we need to introduce at least an equation of state and a sound speed and consider observational tests that involve perturbations. If…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-23 Domenico Sapone , Martin Kunz , Luca Amendola

Probing dark energy with future surveys

I review the observational prospects to constrain the equation of state parameter of dark energy and I discuss the potential of future imaging and redshift surveys. Bayesian model selection is used to address the question of the level of…

Astrophysics · Physics 2007-05-23 Roberto Trotta