Related papers: DESI Bright Galaxy Survey: Final Target Selection,…

DESAlert: Enabling Real-Time Transient Follow-Up with Dark Energy Survey Data

The Dark Energy Survey (DES) is currently undertaking an observational program imaging $1/4$ of the southern hemisphere sky with unprecedented photometric accuracy. In the process of observing millions of faint stars and galaxies to…

High Energy Astrophysical Phenomena · Physics 2016-10-05 A. Poci , K. Kuehn , the DES Collaboration , : , T. Abbott , F. B. Abdalla , S. Allam , A. H. Bauer , A. Benoit-Lévy , E. Bertin , D. Brooks , P. J. Brown , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , R. Covarrubias , L. N. da Costa , C. B. D'Andrea , D. L. DePoy , S. Desai , J. P. Dietrich , C. E Cunha , T. F. Eifler , J. Estrada , A. E. Evrard , A. Fausti Neto , D. A. Finley , B. Flaugher , P. Fosalba , J. Frieman , D. Gerdes , D. Gruen , R. A. Gruendl , K. Honscheid , D. James , N. Kuropatkin , O. Lahav , T. S. Li , M. March , J. Marshall , K. W. Merritt , C. J. Miller , R. C. Nichol , B. Nord , R. Ogando , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , M. Sako , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla , C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , R. C. Thomas , D. Tucker , A. R. Walker , W. Wester

DESI Peculiar Velocity Survey -- Fundamental Plane

The Dark Energy Spectroscopic Instrument (DESI) Peculiar Velocity Survey aims to measure the peculiar velocities of early and late type galaxies within the DESI footprint using both the Fundamental Plane and optical Tully-Fisher relations.…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-01 Khaled Said , Cullan Howlett , Tamara Davis , John Lucey , Christoph Saulder , Kelly Douglass , Alex G. Kim , Anthony Kremin , Caitlin Ross , Greg Aldering , Jessica Nicole Aguilar , Steven Ahlen , Segev BenZvi , Davide Bianchi , David Brooks , Todd Claybaugh , Kyle Dawson , Axel de la Macorra , Biprateep Dey , Peter Doel , Kevin Fanning , Simone Ferraro , Andreu Font-Ribera , Jaime E. Forero-Romero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Julien Guy , Klaus Honscheid , Robert Kehoe , Theodore Kisner , Andrew Lambert , Martin Landriau , Laurent Le Guillou , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Andrea Muñoz-Gutiérrez , Adam Myers , Jundan Nie , Nathalie Palanque-Delabrouille , Will Percival , Francisco Prada , Graziano Rossi , Eusebio Sanchez , David Schlegel , Michael Schubnell , Joseph Harry Silber , David Sprayberry , Gregory Tarlé , Mariana Vargas Magana , Benjamin Alan Weaver , Risa Wechsler , Zhimin Zhou , Hu Zou

Deep Spectroscopy with DESI for Photometric Redshift Training and Calibration

Deep spectroscopic samples can be used to improve photometric redshift (photo-$z$) estimates and reduce uncertainties on redshift distributions. Such improvements can increase the cosmological constraining power of large imaging-based…

Instrumentation and Methods for Astrophysics · Physics 2026-04-08 Biprateep Dey , Jeffrey A. Newman , Tianqing Zhang , J. Aguilar , S. Ahlen , A. Anand , B. Andrews , S. Bailey , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , K. S. Dawson , A. de la Macorra , J. Della Costa , Arjun Dey , P. Doel , S. Ferraro , A. Font-Ribera , E. Gaztañaga , Satya Gontcho A Gontcho , D. Gruen , G. Gutierrez , J. Guy , H. K. Herrera-Alcantar , K. Honscheid , M. Ishak , R. Joyce , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , M. Landriau , L. Le Guillou , A. Leauthaud , M. E. Levi , M. Manera , P. Martini , J. McCullough , A. Meisner , R. Miquel , J. Moustakas , A. D. Myers , J. Myles , S. Nadathur , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , G. Rossi , L. Samushia , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , R. Zhou , H. Zou

The Wide-Field DENIS Near-IR Imaging Survey and 6dF Redshift and Peculiar Velocity Surveys

The DENIS survey is currently imaging the entire southern sky in the I, J, and K wavebands. The current star/galaxy separation algorithm is presented and the galaxy counts are nearly perfectly Euclidean. 95% complete and reliable galaxy…

Astrophysics · Physics 2007-05-23 Gary A. Mamon

Data Release 1 of the Dark Energy Spectroscopic Instrument

In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional structure of the universe between $z=0$ and $z\approx4$.…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-06 DESI Collaboration , M. Abdul Karim , A. G. Adame , D. Aguado , J. Aguilar , S. Ahlen , S. Alam , G. Aldering , D. M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , S. Bailey , A. Baleato Lizancos , O. Ballester , A. Bault , J. Bautista , R. Bean , J. Behera , S. BenZvi , L. Beraldo e Silva , J. R. Bermejo-Climent , F. Beutler , D. Bianchi , C. Blake , R. Blum , A. S. Bolton , M. Bonici , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , A. Byström , R. Canning , A. Carnero Rosell , A. Carr , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , J. L. Cervantes-Cota , E. Chaussidon , J. Chaves-Montero , S. Chen , X. Chen , C. Circosta , T. Claybaugh , S. Cole , A. P. Cooper , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. S. Dawson , R. de Belsunce , R. de la Cruz , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , U. Demirbozan , J. DeRose , A. Dey , B. Dey , J. Ding , Z. Ding , P. Doel , K. Douglass , M. Dowicz , H. Ebina , J. Edelstein , D. J. Eisenstein , W. Elbers , N. Emas , S. Escoffier , P. Fagrelius , X. Fan , K. Fanning , G. Favole , V. A. Fawcett , E. Fernández-García , S. Ferraro , N. Findlay , A. Font-Ribera , J. E. Forero-Romero , D. Forero-Sánchez , C. S. Frenk , B. T. Gänsicke , L. Galbany , J. García-Bellido , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , A. Gloudemans , O. Y. Gnedin , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , D. Gruen , R. Gsponer , C. Guandalin , G. Gutierrez , J. Guy , C. Hahn , J. J. Han , J. Han , S. He , H. K. Herrera-Alcantar , S. Heydenreich , K. Honscheid , J. Hou , C. Howlett , D. Huterer , V. Iršič , M. Ishak , A. Jacques , L. Jiang , J. Jimenez , Y. P. Jing , B. Joachimi , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , T. Karim , R. Kehoe , S. Kent , A. Khederlarian , D. Kirkby , T. Kisner , F. -S. Kitaura , N. Kizhuprakkat , H. Kong , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , Y. Lai , C. Lamman , T. -W. Lan , M. Landriau , D. Lang , J. U. Lange , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , S. Li , T. S. Li , W. Liu , K. Lodha , M. Lokken , Y. Luo , Y. Luo , C. Magneville , M. Manera , C. J. Manser , D. Margala , P. Martini , M. Maus , J. McCullough , P. McDonald , G. E. Medina , L. Medina-Varela , A. Meisner , J. Mena-Fernández , A. Menegas , J. Meneses-Rizo , M. Mezcua , R. Miquel , P. Montero-Camacho , J. Moon , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , J. Myles , S. Nadathur , J. Najita , L. Napolitano , J. A. Newman , F. Nikakhtar , R. Nikutta , G. Niz , H. E. Noriega , P. Nugent , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , A. Palmese , J. Pan , Z. Pan , D. Parkinson , J. A. Peacock , M. P. Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , P. Peterson , J. Piat , M. M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , R. Pucha , F. Qin , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , B. Ried Guachalla , A. H. Riley , A. Rocher , C. Rockosi , J. Rohlf , A. J. Rosado-Marín , A. J. Ross , C. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , N. Sailer , A. Saintonge , Y. Salcedo Hernandez , L. Samushia , E. Sanchez , N. Sanders , N. Sandford , S. Satyavolu , C. Saulder , A. K. Saydjari , E. F. Schlafly , D. Schlegel , D. Scholte , M. Schubnell , A. Semenaite , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , M. Siudek , Z. Slepian , A. Smith , M. Soumagnac , D. Sprayberry , J. Suárez-Pérez , J. Swanson , T. Tan , G. Tarlé , P. Taylor , G. Thomas , R. Tojeiro , R. J. Turner , W. Turner , L. A. Ureña-López , R. Vaisakh , M. Valluri , G. Valogiannis , M. Vargas-Magaña , L. Verde , P. Vielzeuf , M. Walther , B. Wang , M. S. Wang , W. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , A. Whitford , M. Wolfson , J. Yang , C. Yèche , S. Youles , J. Yu , S. Yuan , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , Z. Zheng , C. Zhou , R. Zhou , Y. Zhou , H. Zou , S. Zou , Y. Zu

Testing the 10 spectrograph units for DESI: approach and results

The recently commissioned Dark Energy Spectroscopic Instrument (DESI) will measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 35 million galaxies and quasars over 14000 sqdeg will…

Instrumentation and Methods for Astrophysics · Physics 2021-01-29 S. Perruchot , P. -E. Blanc , J. Guy , L. Le Guillou , S. Ronayette , X. Régal , G. Castagnoli , A. Le Van Suu , E. Sepulveda , E. Jullo , J. -G. Cuby , S. Karkar , P. Ghislain , P. Repain , P. -H. Carton , C. Magneville , A. Ealet , S. Escoffier , A. Secroun , K. Honscheid , A. Elliot , P. Jelinsky , D. Brooks , P. Doel , Y. Duan , J. Edelstein , J. C. Estrada , E. Gastañaga , A. Karcher , M. Landriau , M. Levi , P. Martini , P. , N. Palanque-Delabrouille , F. Prada , G. Tarle , K. Zhang

FAST and Dark: A catalogue of Dark Galaxy Candidates within 50 Mpc

Using the first data release of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) All-Sky HI survey (FASHI), we compile a catalogue of 70 dark galaxy candidates (DGCs) within 50 Mpc. We select DGCs without an identified…

Astrophysics of Galaxies · Physics 2026-04-17 Marco Monaci , Duncan A. Forbes , Jonah S. Gannon , Bärbel S. Koribalski , Kenji Bekki , Jean P. Brodie , Warrick J. Couch

Finding high-redshift strong lenses in DES using convolutional neural networks

We search Dark Energy Survey (DES) Year 3 imaging data for galaxy-galaxy strong gravitational lenses using convolutional neural networks. We generate 250,000 simulated lenses at redshifts > 0.8 from which we create a data set for training…

Astrophysics of Galaxies · Physics 2019-01-30 C. Jacobs , T. Collett , K. Glazebrook , C. McCarthy , A. K. Qin , T. M. C. Abbott , F. B. Abdalla , J. Annis , S. Avila , K. Bechtol , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , B. Flaugher , J. Frieman , J. García- Bellido , E. Gaztanaga , D. W. Gerdes , D. A. Goldstein , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , P. Martini , C. J. Miller , R. Miquel , B. Nord , A. A. Plazas , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , V. Vikram , A. R. Walker , Y. Zhang , J. Zuntz

The SDSS-IV extended Baryonic Oscillation Spectroscopic Survey: Luminous Red Galaxy Target Selection

We describe the algorithm used to select the Luminous Red Galaxy (LRG) sample for the extended Baryon Oscillation Spectroscopic Survey (eBOSS) of the Sloan Digital Sky Survey IV (SDSS-IV) using photometric data from both the SDSS and the…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-15 Abhishek Prakash , Timothy C. Licquia , Jeffrey A. Newman , Ashley J. Ross , Adam D. Myers , Kyle S. Dawson , Jean-Paul Kneib , Will J. Percival , Julian E. Bautista , Johan Comparat , Jeremy L. Tinker , David J. Schlegel , Rita Tojeiro , Shirley Ho , Dustin Lang , Sandhya M. Rao , Cameron K. McBride , Guangtun Ben Zhu , Joel R. Brownstein , Stephen Bailey , Adam S. Bolton , Timothee Delubac , Vivek Mariappan , Michael R. Blanton , Beth Reid , Donald P. Schneider , Hee-Jong Seo , Aurelio Carnero Rosell , Francisco Prada

All-purpose, all-sky photometric redshifts for the Legacy Imaging Surveys Data Release 8

In this paper we present photometric redshift (photo-$z$) estimates for the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys, currently the most sensitive optical survey covering the majority of the extra-galactic sky. Our…

Astrophysics of Galaxies · Physics 2022-03-14 Kenneth J. Duncan

The Dark Energy Survey Data Management System

The Dark Energy Survey (DES) is a project with the goal of building, installing and exploiting a new 74 CCD-camera at the Blanco telescope, in order to study the nature of cosmic acceleration. It will cover 5000 square degrees of the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 I. Sevilla , R. Armstrong , E. Bertin , A. Carlson , G. Daues , S. Desai , M. Gower , R. Gruendl , W. Hanlon , M. Jarvis , R. Kessler , N. Kuropatkin , H. Lin , J. Marriner , J. Mohr , D. Petravick , E. Sheldon , M. E. C. Swanson , T. Tomashek , D. Tucker , Y. Yang , B. Yanny

Photometric redshifts and clustering of emission line galaxies selected jointly by DES and eBOSS

We present the results of the first test plates of the extended Baryon Oscillation Spectroscopic Survey. This paper focuses on the emission line galaxies (ELG) population targetted from the Dark Energy Survey (DES) photometry. We analyse…

Cosmology and Nongalactic Astrophysics · Physics 2015-11-25 S. Jouvel , T. Delubac , J. Comparat , A. Carnero , H. Camacho , F. B. Abdalla , J-P Kneib , A. Merson , M. Lima , F. Sobreira , Luiz da Costa , F. Prada , G. B. Zhu , A. Benoit-Levy , A. De La Macora , N. Kuropatkin , H. Lin , T. M. C. Abbott , S. Allam , M. Banerji , E. Bertin , D. Brooks , D. Capozzi , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , S. Desai , P. Doel , T. F. Eifler , J. Estrada , A. Fausti Neto , B. Flaugher , P. Fosalba , J. Frieman , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , K. Honscheid , D. J. James , K. Kuehn , O. Lahav , T. S. Li , M. A. G. Maia , M. March , J. L. Marshall , R. Miquel , W. J. Percival , A. A. Plazas , K. Reil , A. K. Romer , A. Roodman , E. S. Rykoff , M. Sako , E. Sanchez , B. Santiago , V. Scarpine , I. Sevilla-Noarbe , M. Soares Santos , E. Suchyta , G. Tarle , J. Thaler , D. Thomas , A. Walker , Y. Zhang , J. Brownstein

The Power of DESI for Photometric Redshift Calibration: A Case Study with KiDS-1000

Accurate redshift estimates are a critical requirement for weak lensing surveys and one of the main uncertainties in constraints on dark energy and large-scale cosmic structure. In this paper, we study the potential to calibrate photometric…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-23 Diana Blanco , Alexie Leauthaud , Johannes Ulf Lange , Angus H. Wright , Hendrik Hildebrandt , Sven Heydenreich , Darshika Ravulapalli , Joshua Ratajczak , Kyle S. Dawson , Jamie McCullough , Biprateep Dey , Jessica N. Aguilar , Steven Ahlen , Abhijeet Anand , Davide Bianchi , Chris Blake , David Brooks , Francisco J. Castander , Todd Claybaugh , Andrei Cuceu , Axel de la Macorra , John Della Costa , Arjun Dey , Ann Elliott , Ni Putu Audita Placida Emas , Simone Ferraro , Andreu Font-Ribera , Jaime E. Forero-Romero , Cristhian Garcia-Quintero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Gaston Gutierrez , Dragan Huterer , Mustapha Ishak , Jorge Jimenez , Shahab Joudaki , Dick Joyce , Stephanie Juneau , David Kirkby , Anthony Kremin , Alex Krolewski , Claire Lamman , Martin Landriau , Laurent Le Guillou , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Seshadri Nadathur , Jeffrey A. Newman , Will Percival , Anna Porredon , Francisco Prada , Ignasi Pérez-Ràfols , Amy Robertson , Graziano Rossi , Eusebio Sanchez , Christoph Saulder , Agne Semenaite , David Schlegel , Hee-Jong Seo , Joseph H. Silber , David Sprayberry , Gregory Tarlé , Benjamin A. Weaver , Rongpu Zhou , Hu Zou

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

Large-Scale Galaxy Correlations from the DESI First Data Release

We quantify galaxy correlations using two distinct three-dimensional samples from the first data release of the Dark Energy Spectroscopic Instrument (DESI): the Bright Galaxy Sample (BGS) and the Luminous Red Galaxy Sample (LRGS).…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-11 Francesco Sylos Labini , Tibor Antal

Cyber-infrastructure to Support Science and Data Management for the Dark Energy Survey

The Dark Energy Survey (DES; operations 2009-2015) will address the nature of dark energy using four independent and complementary techniques: (1) a galaxy cluster survey over 4000 deg2 in collaboration with the South Pole Telescope…

Astrophysics · Physics 2007-05-23 C. Ngeow , J. J. Mohr , T. Alam , W. A. Barkhouse , C. Beldica , D. Cai , G. Daues , R. Plante , J. Annis , H. Lin , D. Tucker , R. C. Smith

The Dark Energy Survey: Prospects for Resolved Stellar Populations

Wide angle and deep surveys, regardless of their primary purpose, always sample a large number of stars in the Galaxy and in its satellite system. We here make a forecast of the expected stellar sample resulting from the Dark Energy Survey…

Astrophysics of Galaxies · Physics 2015-05-28 B. M. Rossetto , B. X. Santiago , L. Girardi , J. I. B. Camargo , E. Balbinot , L. N. da Costa , B. Yanny , M. A. G. Maia , M. Makler , R. L. C. Ogando , P. S. Pellegrini , B. Ramos , F. de Simoni , R. Armstrong , E. Bertin , S. Desai , N. Kuropatkin , H. Lin , J. J. Mohr , D. L. Tucker

DESI DR2 Galaxy Luminosity Functions

We present galaxy luminosity functions (LFs) for the Dark Energy Spectroscopic Instrument (DESI) DR2 Bright Galaxy Survey (BGS) in the g,r,z, and w1 bands over 0.002<z<0.6. Our analysis uses updated k-corrections and evolutionary…

Astrophysics of Galaxies · Physics 2026-05-12 Samuel G. Moore , Shaun Cole , Michael Wilson , Peder Norberg , John Moustakas , J. Aguilar , S. Ahlen , A. Anand , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , Arjun Dey , Biprateep Dey , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztanaga , S. Gontcho A Gontcho , G. Gutierrez , H. K. Herrera-Alcantar , K. Honscheid , M. Ishak , R. Joyce , S. Juneau , R. Kehoe , T. Kisner , S. E. Koposov , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , M. E. Levi , M. Lucey , J. R. Manera , A. Meisner , R. Miquel , S. Nadathur , W. J. Percival , C. Poppett , F. Prada , A. J. Ross , G. Rossi , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , R. H. Wechsler , R. Zhou , H. Zou

Overview of the Dark Energy Spectroscopic Instrument

The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 35 million galaxies and quasars over 14000 square degrees…

Instrumentation and Methods for Astrophysics · Physics 2018-07-26 Paul Martini , Stephen Bailey , Robert W. Besuner , David Brooks , Peter Doel , Jerry Edelstein , Daniel Eisenstein , Brenna Flaugher , Gaston Gutierrez , Stewart E. Harris , Klaus Honscheid , Patrick Jelinsky , Richard Joyce , Stephen Kent , Michael Levi , Francisco Prada , Claire Poppett , David Rabinowitz , Constance Rockosi , Laia Cardiel Sas , David J. Schlegel , Michael Schubnell , Ray Sharples , Joseph H. Silber , David Sprayberry , Risa Wechsler

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