Related papers: ProtoDESI: First On-Sky Technology Demonstration f…

The DESI DR1 Peculiar Velocity Survey: Fundamental Plane Catalogue

Measurements of peculiar velocities in the local Universe are a powerful tool to study the nature of dark energy at low ($z < 0.1$) redshifts. Here we present the largest single set of $z<0.1$ peculiar velocity measurements to date,…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-04 C. E. Ross , C. Howlett , J. R. Lucey , K. Said , T. M. Davis , J. Aguilar , S. Ahlen , A. J. Amsellem , J. Bautista , S. BenZvi , D. Bianchi , C. Blake , D. Brooks , A. Carr , T. Claybaugh , A. Cuceu , A. de la Macorra , B. Dey , P. Doel , K. Douglass , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , K. Honscheid , D. Huterer , M. Ishak , R. Joyce , A. G. Kim , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , A. Leauthaud , M. E. Levi , P. Martini , A. Meisner , R. Miquel , J. Moustakas , A. Mu\ noz-Gutiérrez , S. Nadathur , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , I. Pérez-Ràfols , F. Qin , G. Rossi , E. Sanchez , D. Schlegel , M. Schubnell , D. Sprayberry , G. Tarlé , R. J. Turner , B. A. Weaver , R. Zhou , H. Zou

First-light instrument for the 3.6m DOT: 4Kx4K CCD Imager

As an in-house instrument developmental activity at ARIES, the 4Kx4K CCD Imager is designed and developed as a first-light instrument for the axial port of the 3.6m DOT. The f/9 beam of the telescope having a plate-scale of ~ 6.4 arc-sec/mm…

Instrumentation and Methods for Astrophysics · Physics 2017-11-16 S. B. Pandey , R. K. S. Yadav , Nandish Nanjappa , Shobhit Yadav , B. Krishna Reddey , Sanjeet Sahu , R. Srinivasan

Validation of Emission-Line Galaxies Target Selection Algorithms for the Dark Energy Spectroscopic Instrument Using the MMT Binospec

The forthcoming Dark Energy Spectroscopic Instrument (DESI) experiment plans to measure the effects of dark energy on the expansion of the Universe and create a $3$D map of the Universe using galaxies up to $z \sim 1.6$ and QSOs up to $z…

Astrophysics of Galaxies · Physics 2020-08-12 Tanveer Karim , Jae H. Lee , Daniel J. Eisenstein , Etienne Burtin , John Moustakas , Anand Raichoor , Christophe Yèche

Constraining Cosmological Physics with DESI BAO Observations

The DESI year one observations can help probe new physics on cosmological scales. In light of the latest DESI BAO measurements, we constrain five popular cosmological scenarios including inflation, modified gravity, annihilating dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-18 Deng Wang

The Dark Energy Survey

We describe the Dark Energy Survey (DES), a proposed optical-near infrared survey of 5000 sq. deg of the South Galactic Cap to ~24th magnitude in SDSS griz, that would use a new 3 sq. deg CCD camera to be mounted on the Blanco 4-m telescope…

Astrophysics · Physics 2012-08-27 The Dark Energy Survey Collaboration

EXPRES: A Next Generation RV Spectrograph in the Search for Earth-like Worlds

The EXtreme PREcision Spectrograph (EXPRES) is an optical fiber fed echelle instrument being designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter Discovery Channel Telescope operated by Lowell Observatory.…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 C. Jurgenson , D. Fischer , T. McCracken , D. Sawyer , A. Szymkowiak , A. B. Davis , G. Muller , F. Santoro

Panoramic SETI: Overall focal plane electronics and timing and network protocols

The PANOSETI experiment is an all-sky, all-the-time visible search for nanosecond to millisecond time-scale transients. The experiment will deploy observatory domes at several sites, each dome containing ~45 telescopes and covering ~4,440…

Instrumentation and Methods for Astrophysics · Physics 2021-11-24 Wei Liu , Dan Werthimer , Ryan Lee , Franklin Antonio , Michael Aronson , Aaron Brown , Frank Drake , Andrew Howard , Paul Horowitz , Jerome Maire , Rick Raffanti , Remington Stone , Richard Treffers , Shelley A. Wright

The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg$^2$ of the sky

We present cosmological constraints from the Dark Energy Camera All Data Everywhere (DECADE) cosmic shear analysis. This work uses shape measurements for 107 million galaxies measured through Dark Energy Camera (DECam) imaging of $5,\!412$…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 D. Anbajagane , C. Chang , A. Drlica-Wagner , C. Y. Tan , M. Adamow , R. A. Gruendl , L. F. Secco , Z. Zhang , M. R. Becker , P. S. Ferguson , N. Chicoine , K. Herron , A. Alarcon , R. Teixeira , D. Suson , A. N. Alsina , A. Amon , F. Andrade-Oliveira , J. Blazek , C. R. Bom , H. Camacho , J. A. Carballo-Bello , A. Carnero Rosell , R. Cawthon , W. Cerny , A. Choi , Y. Choi , S. Dodelson , C. Doux , K. Eckert , J. Elvin-Poole , J. Esteves , M. Gatti , G. Giannini , D. Gruen , W. G. Hartley , K. Herner , E. M. Huff , D. J. James , M. Jarvis , E. Krause , N. Kuropatkin , C. E. Martínez-Vázquez , P. Massana , S. Mau , J. McCullough , G. E. Medina , B. Mutlu-Pakdil , J. Myles , M. Navabi , N. E. D. Noël , A. B. Pace , A. Porredon , J. Prat , M. Raveri , A. H. Riley , E. S. Rykoff , J. D. Sakowska , S. Samuroff , D. Sanchez-Cid , D. J. Sand , L. Santana-Silva , I. Sevilla-Noarbe , T. Shin , M. Soares-Santos , G. S. Stringfellow , C. To , A. Tong , M. A. Troxel , A. K. Vivas , M. Yamamoto , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

Correcting Turbulence-induced Errors in Fiber Positioning for the Dark Energy Spectroscopic Instrument

Highly-multiplexed, robotic, fiber-fed spectroscopic surveys are observing tens of millions of stars and galaxies. For many systems, accurate positioning relies on imaging the fibers in the focal plane and feeding that information back to…

Instrumentation and Methods for Astrophysics · Physics 2025-02-14 E. F. Schlafly , J. Guy , K. Honscheid , S. Kent , S. E. Koposov , J. Aguilar , S. Ahlen , S. Bailey , D. Brooks , T. Claybaugh , K. Dawson , P. Doel , K. Fanning , D. P. Finkbeiner , A. Font-Ribera , J. E. Forero-Romero , S. Gontcho A Gontcho , G. Gutierrez , D. Kirkby , T. Kisner , A. Kremin , J. Lasker , M. Landriau , L. Le Guillou , M. E. Levi , A. de la Macorra , P. Martini , A. Meisner , R. Miquel , J. Moustakas , G. Niz , F. Prada , G. Rossi , E. Sanchez , M. Schubnell , R. Sharples , D. Sprayberry , G. Tarlé , B. A. Weaver , H. Zou

DESI Strong Lens Foundry II: DESI Spectroscopy for Strong Lens Candidates

We present the Dark Energy Spectroscopic Instrument (DESI) Strong Lensing Secondary Target Program. This is a spectroscopic follow-up program for strong gravitational lens candidates found in the DESI Legacy Imaging Surveys footprint.…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-23 Xiaosheng Huang , Jose Carlos Inchausti , Christopher J. Storfer , S. Tabares-Tarquinio , J. Moustakas , W. Sheu , S. Agarwal , M. Tamargo-Arizmendi , D. J. Schlegel , J. Aguilar , S. Ahlen , G. Aldering , S. Bailey , S. Banka , S. BenZvi , D. Bianchi , A. Bolton , D. Brooks , A. Cikota , T. Claybaugh , K. S. Dawson , A. de la Macorra , A. Dey , P. Doel , J. Edelstein , J. E. Forero-Romero , E. Gaztanaga , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , A. Gu , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , S. E. Koposov , K. J. Kwon , A. Lambert , M. Landriau , D. Lang , L. Le Guillou , M. E. Levi , J. Liu , A. Meisner , R. Miquel , A. D. Myers , S. Perlmutter , N. Palanque-Delabrouille , I. Perez-Rafols , C. Poppett , F. Prada , G. Rossi , D. Rubin , E. Sanchez , M. Schubnell , Y. Shu , E. Silver , D. Sprayberry , N. Suzuki , G. Tarle , B. A. Weaver , H. Zou

A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations

Baryon acoustic oscillation (BAO) data from the Dark Energy Spectroscopic Instrument (DESI) appear to indicate the first evidence for dynamical dark energy (DDE), with a present-day behavior resembling quintessence. This evidence emerges…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-08 Felipe Bruno Medeiros dos Santos , Jonathan Morais , Supriya Pan , Weiqiang Yang , Eleonora Di Valentino

Interpreting DESI's evidence for evolving dark energy

The latest results on baryon acoustic oscillations from DESI (Dark Energy Spectroscopic Instrument), when combined with cosmic microwave background and supernova data, show indications of a deviation from a cosmological constant in favour…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-17 Marina Cortês , Andrew R Liddle

DESI-DR1 $3 \times 2$-pt analysis: consistent cosmology across weak lensing surveys

We present a joint cosmological analysis of projected galaxy clustering observations from the Dark Energy Spectroscopic Instrument Data Release 1 (DESI-DR1), and overlapping weak gravitational lensing observations from three datasets: the…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-29 A. Porredon , C. Blake , J. U. Lange , N. Emas , J. Aguilar , S. Ahlen , A. Bera , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , J. Coloma Nadal , A. Cuceu , K. S. Dawson , A. de la Macorra , Biprateep Dey , P. Doel , A. Elliott , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. Garcia-Quintero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , B. Hadzhiyska , H. K. Herrera-Alcantar , S. Heydenreich , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Joudaki , R. Joyce , D. Kirkby , A. Kremin , A. Krolewski , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , A. Leauthaud , M. E. Levi , M. Manera , A. Meisner , R. Miquel , S. Nadathur , J. A. Newman , G. Niz , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , I. Pérez-Ràfols , A. Robertson , G. Rossi , R. Ruggeri , E. Sanchez , C. Saulder , D. Schlegel , M. Schubnell , A. Semenaite , H. Seo , J. Silber , A. Souki , D. Sprayberry , G. Tarlé , M. Vargas-Magaña , B. A. Weaver , C. Zhou , R. Zhou , H. Zou

Deep Full-sky Coadds from Three Years of WISE and NEOWISE Observations

We have reprocessed over 100 terabytes of single-exposure WISE/NEOWISE images to create the deepest ever full-sky maps at 3-5 microns. We incorporate all publicly available W1 and W2 imaging - a total of ~8 million exposures in each band -…

Instrumentation and Methods for Astrophysics · Physics 2017-10-04 A. M. Meisner , D. Lang , D. J. Schlegel

The Current Status of Prime Focus Instrument of Subaru Prime Focus Spectrograph

The Prime Focus Spectrograph (PFS) is a new optical/near-infrared multi-fiber spectrograph design for the prime focus of the 8.2m Subaru telescope. PFS will cover 1.3 degree diameter field with 2394 fibers to complement the imaging…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 Shiang-Yu Wang , Mark A. Schwochert , Pin-Jie Huang , Hsin-Yo Chen , Masahiko Kimura , Richard C. Y. Chou , Yin-Chang Chang , Yen-Sang Hu , Hung-Hsu Ling , Chaz N. Morantz , Dan J. Reiley , Peter Mao , David F. Braun , Chih-Yi Wen , Chi-Hung Yan , Jennifer Karr , James E. Gunn , Graham Murray , Naoyuki Tamura , Naruhisa Takato , Atsushi Shimono , Decio Ferreira , Leandro Henriqu dos Santosh , Ligia Souza Oliveira , Antonio Cesar de Oliveira , Lucas Souza Marrara

The Dark Energy Survey Data Release 1

We describe the first public data release of the Dark Energy Survey, DES DR1, consisting of reduced single epoch images, coadded images, coadded source catalogs, and associated products and services assembled over the first three years of…

Instrumentation and Methods for Astrophysics · Physics 2019-04-24 T. M. C. Abbott , F. B. Abdalla , S. Allam , A. Amara , J. Annis , J. Asorey , S. Avila , O. Ballester , M. Banerji , W. Barkhouse , L. Baruah , M. Baumer , K. Bechtol , M . R. Becker , A. Benoit-Lévy , G. M. Bernstein , E. Bertin , J. Blazek , S. Bocquet , D. Brooks , D. Brout , E. Buckley-Geer , D. L. Burke , V. Busti , R. Campisano , L. Cardiel-Sas , A. C arnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , X. Chen , C. Conselice , G. Costa , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , R. Das , G. Daues , T. M. Davis , C. Davis , J. De Vicente , D. L. DePoy , J. DeRose , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , A. Drlica-Wagner , T. F. Eifler , A. E. Elliott , A. E. Evrard , A. Farahi , A. Fausti Neto , E. Fernandez , D. A. Finley , M. Fitzpatrick , B. Flaugher , R. J. Foley , P. Fosalba , D. N. Friedel , J. Frieman , J. García-Bellido , E. Gaz tanaga , D. W. Gerdes , T. Giannantonio , M. S. S. Gill , K. Glazebrook , D. A. Goldstein , M. Gower , D. Gruen , R. A. Gruendl , J. Gschwend , R. R. Gupta , G. Gutierrez , S. Hamilton , W. G. Hartley , S. R. Hinton , J. M. Hislop , D. Hollowood , K. Honscheid , B. Hoyle , D. Huterer , B. Jain , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , S. Juneau , T. Kacprzak , S. Kent , G. Khullar , M. Klein , A. Kovacs , A. M. G. Koziol , E. Krause , A. Kremin , R. Kron , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , J. Lasker , T. S. Li , R. T. Li , A. R. Liddle , M. Lima , H. Lin , P. López-Reyes , N. MacCrann , M. A. G. Maia , J. D. Maloney , M. Manera , M. March , J. Marriner , J. L. Marshall , P. Martini , T. McClintock , T. McKay , R . G. McMahon , P. Melchior , F. Menanteau , C. J. Miller , R. Miquel , J. J. Mohr , E. Morganson , J. Mould , E. Neilsen , R. C. Nichol , D. Nidever , R. Nikutta , F. Nogueira , B. Nord , P. Nugent , L. Nunes , R. L. C. Ogando , L. Old , K. Olsen , A. B. Pace , A. Palmese , F. Paz-Chinchón , H. V. Peiris , W. J. Percival , D. Petravick , A. A. Plazas , J. Poh , C. Pond , A. Por redon , A. Pujol , A. Refregier , K. Reil , P. M. Ricker , R. P. Rollins , A. K. Romer , A. Roodman , P. Rooney , A. J. Ross , E. S. Rykoff , M. Sako , E. Sanchez , M. L. Sanchez , B. Santiago , A. Saro , V. Scarpine , D. Scolnic , A. Scott , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , N. Shipp , M. L. Silveira , R. C. Smith , J. A. Smith , M. Smith , M. Soares-Santos , F. Sobre ira , J. Song , A. Stebbins , E. Suchyta , M. Sullivan , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , R. C. Thomas , M. A. Troxel , D. L. Tucker , V. Vikram , A. K. Vivas , A. R. Wal ker , R. H. Wechsler , J. Weller , W. Wester , R. C. Wolf , H. Wu , B. Yanny , A. Zenteno , Y. Zhang , J. Zuntz

The ArgusSpec Prototype: Autonomous Spectroscopic Follow-up of Flares Detected by Large Array Telescopes

ArgusSpec is a prototype autonomous spectroscopic follow-up instrument designed to characterize flares detected by the Argus Pathfinder telescope array by taking short exposure (30 s) broadband spectra (370 - 750 nm) at low resolutions…

Instrumentation and Methods for Astrophysics · Physics 2024-03-05 Nathan W. Galliher , Thomas Procter , Nicholas M. Law , Hank Corbett , Ward S. Howard , Alan Vasquez Soto , Ramses Gonzalez , Lawrence Machia , Jonathan Carney , William J. Marshall

DESI and DECaLS (D&D): galaxy-galaxy lensing measurements with 1% survey and its forecast

The shear measurement from DECaLS (Dark Energy Camera Legacy Survey) provides an excellent opportunity for galaxy-galaxy lensing study with DESI (Dark Energy Spectroscopic Instrument) galaxies, given the large ($\sim 9000$ deg$^2$) sky…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-02 Ji Yao , Huanyuan Shan , Pengjie Zhang , Eric Jullo , Jean-Paul Kneib , Yu Yu , Ying Zu , David Brooks , Axel de la Macorra , Peter Doel , Andreu Font-Ribera , Satya Gontcho A Gontcho , Theodore Kisner , Martin Landriau , Aaron Meisner , Ramon Miquel , Jundan Nie , Claire Poppett , Francisco Prada , Michael Schubnell , Mariana Vargas Magana , Zhimin Zhou

The BigBOSS Experiment

BigBOSS is a Stage IV ground-based dark energy experiment to study baryon acoustic oscillations (BAO) and the growth of structure with a wide-area galaxy and quasar redshift survey over 14,000 square degrees. It has been conditionally…

Instrumentation and Methods for Astrophysics · Physics 2011-06-10 D. Schlegel , F. Abdalla , T. Abraham , C. Ahn , C. Allende Prieto , J. Annis , E. Aubourg , M. Azzaro , S. Bailey. C. Baltay , C. Baugh , C. Bebek , S. Becerril , M. Blanton , A. Bolton , B. Bromley , R. Cahn , P. -H. Carton , J. L. Cervantes-Cota , Y. Chu , M. Cortes , K. Dawson , A. Dey , M. Dickinson , H. T. Diehl , P. Doel , A. Ealet , J. Edelstein , D. Eppelle , S. Escoffier , A. Evrard , L. Faccioli , C. Frenk , M. Geha , D. Gerdes , P. Gondolo , A. Gonzalez-Arroyo , B. Grossan , T. Heckman , H. Heetderks , S. Ho , K. Honscheid , D. Huterer , O. Ilbert , I. Ivans , P. Jelinsky , Y. Jing , D. Joyce , R. Kennedy , S. Kent , D. Kieda , A. Kim , C. Kim , J. -P. Kneib , X. Kong , A. Kosowsky , K. Krishnan , O. Lahav , M. Lampton , S. LeBohec , V. Le Brun , M. Levi , C. Li , M. Liang , H. Lim , W. Lin , E. Linder , W. Lorenzon , A. de la Macorra , Ch. Magneville , R. Malina , C. Marinoni , V. Martinez , S. Majewski , T. Matheson , R. McCloskey , P. McDonald , T. McKay , J. McMahon , B. Menard , J. Miralda-Escude , M. Modjaz , A. Montero-Dorta , I. Morales , N. Mostek , J. Newman , R. Nichol , P. Nugent , K. Olsen , N. Padmanabhan , N. Palanque-Delabrouille , I. Park , J. Peacock , W. Percival , S. Perlmutter , C. Peroux , P. Petitjean , F. Prada , E. Prieto , J. Prochaska , K. Reil , C. Rockosi , N. Roe , E. Rollinde , A. Roodman , N. Ross , G. Rudnick , V. Ruhlmann-Kleider , J. Sanchez , D. Sawyer , C. Schimd , M. Schubnell , R. Scoccimaro , U. Seljak , H. Seo , E. Sheldon , M. Sholl , R. Shulte-Ladbeck , A. Slosar , D. S. Smith , G. Smoot , W. Springer , A. Stril , A. S. Szalay , C. Tao , G. Tarle , E. Taylor , A. Tilquin , J. Tinker , F. Valdes , J. Wang , T. Wang , B. A. Weaver , D. Weinberg , M. White , M. Wood-Vasey , J. Yang , X. Yang. Ch. Yeche , N. Zakamska , A. Zentner , C. Zhai , P. Zhang

Joint cosmological fits to DESI-DR1 full-shape clustering and weak gravitational lensing in configuration space

We present a joint $3\times2$-pt cosmological analysis of auto- and cross-correlations between the Dark Energy Spectroscopic Instrument Data Release 1 (DESI-DR1) Bright Galaxy Survey (BGS) and Luminous Red Galaxy (LRG) samples and…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-20 A. Semenaite , C. Blake , A. Porredon , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , K. S. Dawson , A. de la Macorra , Biprateep Dey , P. Doel , A. Eggemeier , A. Elliott , N. Emas , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. Garcia-Quintero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , B. Hadzhiyska , H. K. Herrera-Alcantar , S. Heydenreich , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Joudaki , R. Joyce , E. Jullo , D. Kirkby , A. Kremin , A. Krolewski , O. Lahav , C. Lamman , M. Landriau , J. U. Lange , L. Le Guillou , A. Leauthaud , M. E. Levi , M. Manera , A. Meisner , R. Miquel , J. Moustakas , S. Nadathur , J. A. Newman , N. Palanque-Delabrouille , W. J. Percival , A. Pezzotta , C. Poppett , F. Prada , I. Pérez-Ràfols , A. Robertson G. Rossi , R. Ruggeri , A. G. Sánchez , E. Sanchez , C. Saulder , D. Schlegel , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , P. Zarrouk , R. Zhou , H. Zou