Related papers: DES Science Portal: Creating Science-Ready Catalog…

Survey of Surveys. II. Stellar parameters for 23 millions of stars

In the current panorama of large surveys, the vast amount of data obtained with different methods, data types, formats, and stellar samples, is making an efficient use of the available information difficult. The Survey of Surveys is a…

Solar and Stellar Astrophysics · Physics 2025-08-20 A. Turchi , E. Pancino , A. Avdeeva , F. Rossi , M. Tsantaki , P. M. Marrese , S. Marinoni , N. Sanna , G. Fanari , D. Alvarez Garay , M. Echeveste , S. Nedhath , S. Rani , E. Reggiani , S. Saracino , L. Steinbauer , G. Thomas , F. Gran , G. Guiglion

A catalogue of structural and morphological measurements for DES Y1

We present a structural and morphological catalogue for 45 million objects selected from the first year of data from the Dark Energy Survey (DES). Single Sersic fits and non-parametric measurements are produced for g, r and i filters. The…

Astrophysics of Galaxies · Physics 2018-10-03 F. Tarsitano , W. G. Hartley , A. Amara , A. Bluck , C. Bruderer , M. Carollo , C. Conselice , P. Melchior , B. Moraes , A. Refregier , I. Sevilla-Noarbe , J. Woo , T. M. C. Abbott , S. Allam , J. Annis , S. Avila , M. Banerji , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , P. Doel , J. Estrada , J. Frieman , J. García-Bellido , D. Gruen , R. A. Gruendl , G. Gutierrez , D. Hollowood , K. Honscheid , D. J. James , T. Jeltema , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , M. A. G. Maia , F. Menanteau , R. Miquel , A. A. Plazas , A. K. Romer , A. Roodman , E. Sanchez , B. Santiago , R. Schindler , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , V. Vikram , A. R. Walker

Self-supervised similarity search for large scientific datasets

We present the use of self-supervised learning to explore and exploit large unlabeled datasets. Focusing on 42 million galaxy images from the latest data release of the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys, we…

Instrumentation and Methods for Astrophysics · Physics 2021-12-02 George Stein , Peter Harrington , Jacqueline Blaum , Tomislav Medan , Zarija Lukic

Value Added Catalog of physical properties of more than 1.3 million galaxies from the DESI Survey

Aims. We present an extensive catalog of the physical properties of more than a million galaxies within the Dark Energy Spectroscopic Instrument (DESI), one of the largest spectroscopic surveys to date. Spanning over a full variety of…

Astrophysics of Galaxies · Physics 2025-10-15 M. Siudek , R. Pucha , M. Mezcua , S. Juneau , J. Aguilar , S. Ahlen , D. Brooks , C. Circosta , T. Claybaugh , S. Cole , K. Dawson , A. de la Macorra , Arjun Dey , Biprateep Dey , P. Doel , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , K. Honscheid , C. Howlett , M. Ishak , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , A. Lambert , M. Landriau , L. Le Guillou , M. Manera , P. Martini , A. Meisner , R. Miquel , J. Moustakas , J. A. Newman , G. Niz , Z. Pan , W. J. Percival , C. Poppett , F. Prada , G. Rossi , A. Saintonge , E. Sanchez , D. Schlegel , D. Scholte , M. Schubnell , H. Seo , F. Speranza , D. Sprayberry , G. Tarle , B. A. Weaver , H. Zou

No galaxy left behind: accurate measurements with the faintest objects in the Dark Energy Survey

Accurate statistical measurement with large imaging surveys has traditionally required throwing away a sizable fraction of the data. This is because most measurements have have relied on selecting nearly complete samples, where variations…

Astrophysics of Galaxies · Physics 2016-01-29 E. Suchyta , E. M. Huff , J. Aleksić , P. Melchior , S. Jouvel , N. MacCrann , M. Crocce , E. Gaztanaga , K. Honscheid , B. Leistedt , H. V. Peiris , A. J. Ross , E. S. Rykoff , E. Sheldon , T. Abbott , F. B. Abdalla , S. Allam , M. Banerji , A. Benoit-Lévy , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , T. F. Eifler , J. Estrada , A. E. Evrard , B. Flaugher , P. Fosalba , J. Frieman , D. W. Gerdes , D. Gruen , R. A. Gruendl , D. J. James , M. Jarvis , K. Kuehn , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , M. March , J. L. Marshall , C. J. Miller , R. Miquel , E. Neilsen , R. C. Nichol , B. Nord , R. Ogando , W. J. Percival , K. Reil , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , V. Vikram , A. R. Walker , R. H. Wechsler , Y. Zhang

Synthetic Galaxy Clusters and Observations Based on Dark Energy Survey Year 3 Data

We develop a novel data-driven method for generating synthetic optical observations of galaxy clusters. In cluster weak lensing, the interplay between analysis choices and systematic effects related to source galaxy selection, shape…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-01 T. N. Varga , D. Gruen , S. Seitz , N. MacCrann , E. Sheldon , W. G. Hartley , A. Amon , A. Choi , A. Palmese , Y. Zhang , M. R. Becker , J. McCullough , E. Rozo , E. S. Rykoff , C. To , S. Grandis , G. M. Bernstein , S. Dodelson , K. Eckert , S. Everett , R. A. Gruendl , I. Harrison , K. Herner , R. P. Rollins , I. Sevilla-Noarbe , M. A. Troxel , B. Yanny , J. Zuntz , H. T. Diehl , M. Jarvis , M. Aguena , S. Allam , J. Annis , E. Bertin , S. Bhargava , D. Brooks , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , J. P. Dietrich , I. Ferrero , B. Flaugher , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , J. Gschwend , G. Gutierrez , S. R. Hinton , K. Honscheid , T. Jeltema , K. Kuehn , N. Kuropatkin , M. A. G. Maia , M. March , P. Melchior , F. Menanteau , R. Miquel , R. Morgan , J. Myles , F. Paz-Chinchon , A. A. Plazas , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , J. Weller

Dark Energy Survey Year 3 Results: Deep Field Optical + Near-Infrared Images and Catalogue

We describe the Dark Energy Survey (DES) Deep Fields, a set of images and associated multi-wavelength catalogue ($ugrizJHKs$) built from Dark Energy Camera (DECam) and Visible and Infrared Survey Telescope for Astronomy (VISTA) data. The…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-17 W. G. Hartley , A. Choi , A. Amon , R. A. Gruendl , E. Sheldon , I. Harrison , G. M. Bernstein , I. Sevilla-Noarbe , B. Yanny , K. Eckert , H. T. Diehl , A. Alarcon , M. Banerji , K. Bechtol , R. Buchs , S. Cantu , C. Conselice , J. Cordero , C. Davis , T. M. Davis , S. Dodelson , A. Drlica-Wagner , S. Everett , A. Ferté , D. Gruen , K. Honscheid , M. Jarvis , M. D. Johnson , N. Kokron , N. MacCrann , J. Myles , A. B. Pace , A. Palmese , F. Paz-Chinchón , M. E. S. Pereira , A. A. Plazas , J. Prat , M. Rodriguez-Monroy , E. S. Rykoff , S. Samuroff , C. Sánchez , L. F. Secco , F. Tarsitano , A. Tong , M. A. Troxel , Z. Vasquez , K. Wang , C. Zhou , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , S. Bhargava , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Costanzi , M. Crocce , L. N. da Costa , J. De Vicente , J. DeRose , S. Desai , J. P. Dietrich , T. F. Eifler , J. Elvin-Poole , I. Ferrero , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , D. Huterer , D. J. James , S. Kent , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , H. Lin , M. A. G. Maia , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , E. Neilsen , R. L. C. Ogando , S. Pandey , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , S. Serrano , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , T. N. Varga , A. R. Walker , W. Wester , R. D. Wilkinson , J. Zuntz

The Dark Energy Survey Six-Year Calibration Star Catalog

This Technical Note presents a catalog of calibrated reference stars that was generated by the Forward Calibration Method (FGCM) pipeline (arXiv:1706.01542) as part of the FGCM photometric calibration of the full Dark Energy Survey (DES)…

Instrumentation and Methods for Astrophysics · Physics 2023-05-04 E. S. Rykoff , D. L. Tucker , D. L. Burke , S. S. Allam , K. Bechtol , G. M. Bernstein , D. Brout , R. A. Gruendl , J. Lasker , J. A. Smith , W. C. Wester , B. Yanny , T. M. C. Abbott , M. Aguena , O. Alves , F. Andrade-Oliveira , J. Annis , D. Bacon , E. Bertin , D. Brooks , A. Carnero Rosell , J. Carretero , F. J. Castander , A. Choi , L. N. da Costa , M. E. S. Pereira , T. M. Davis , J. De Vicente , H. T. Diehl , P. Doel , A. Drlica-Wagner , S. Everett , I. Ferrero , J. Frieman , J. García-Bellido , G. Giannini , D. Gruen , G. Gutierrez , S. R. Hinton , D. L. Hollowood , D. J. James , K. Kuehn , O. Lahav , J. L. Marshall , J. Mena-Fernández , F. Menanteau , J. Myles , B. D. Nord , R. L. C. Ogando , A. Palmese , A. Pieres , A. A. Plazas Malagón , M. Raveri , M. Rodgríguez-Monroy , E. Sanchez , B. Santiago , M. Schubnell , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , T. N. Varga , M. Vincenzi , A. R. Walker , N. Weaverdyck , P. Wiseman

The Cosmic Web in the DESI Early Data Release: A Probabilistic Environment Catalog

We present the first public cosmic-web environment catalog built on any DESI data release. Using ASTRA (Algorithm for Stochastic Topological RAnking), we classify each object in the DESI Early Data Release into void, sheet, filament, or…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-03 Diana C. Zapata-Zuluaga , Sofía Guevara-Montoya , Valeria Torres-Gomez , Juliana Hernandez , Jaime E. Forero-Romero

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

Instrumental response model and detrending for the Dark Energy Camera

We describe the model for the mapping from sky brightness to the digital output of the Dark Energy Camera, and the algorithms adopted by the Dark Energy Survey (DES) for inverting this model to obtain photometric measures of celestial…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 G. M. Bernstein , T. M. C. Abbott , S. Desai , D. Gruen , R. A. Gruendl , M. D. Johnson , H. Lin , F. Menanteau , E. Morganson , E. Neilsen , K. Paech , A. R. Walker , W. Wester , B. Yanny

Designing Future Dark Energy Space Mission: I. Building Realistic Galaxy Spectro-Photometric Catalogs and their first applications

Future dark energy space missions such as JDEM and EUCLID are being designed to survey the galaxy population to trace the geometry of the universe and the growth of structure, which both depend on the cosmological model. To reach the goal…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 S. Jouvel , J-P. Kneib , O. Ilbert , G. Bernstein , S. Arnouts , T. Dahlen , A. Ealet , B. Milliard , H. Aussel , P. Capak , A. Koekemoer , V. Le Brun , H. McCracken , M. Salvato , N. Scoville

Query Driven Visualization of Astronomical Catalogs

Interactive visualization of astronomical catalogs requires novel techniques due to the huge volumes and complex structure of the data produced by existing and upcoming astronomical surveys. The creation as well as the disclosure of the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 Hugo Buddelmeijer , Edwin A. Valentijn

Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework

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

Validating Synthetic Galaxy Catalogs for Dark Energy Science in the LSST Era

Large simulation efforts are required to provide synthetic galaxy catalogs for ongoing and upcoming cosmology surveys. These extragalactic catalogs are being used for many diverse purposes covering a wide range of scientific topics. In…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-24 Eve Kovacs , Yao-Yuan Mao , Michel Aguena , Anita Bahmanyar , Adam Broussard , James Butler , Duncan Campbell , Chihway Chang , Shenming Fu , Katrin Heitmann , Danila Korytov , François Lanusse , Patricia Larsen , Rachel Mandelbaum , Christopher B. Morrison , Constantin Payerne , Marina Ricci , Eli Rykoff , F. Javier Sánchez , Ignacio Sevilla-Noarbe , Melanie Simet , Chun-Hao To , Vinu Vikraman , Rongpu Zhou , Camille Avestruz , Christophe Benoist , Andrew J. Benson , Lindsey Bleem , Aleksandra Ćiprianović , Céline Combet , Eric Gawiser , Shiyuan He , Remy Joseph , Jeffrey A. Newman , Judit Prat , Samuel Schmidt , Anže Slosar , Joe Zuntz , The LSST Dark Energy Science Collaboration

Dwarfs from the Dark (Energy Survey): a machine learning approach to classify dwarf galaxies from multi-band images

Countless low-surface brightness objects - including spiral galaxies, dwarf galaxies, and noise patterns - have been detected in recent large surveys. Classically, astronomers visually inspect those detections to distinguish between real…

Astrophysics of Galaxies · Physics 2021-03-25 Oliver Müller , Eva Schnider

Survey2Survey: A deep learning generative model approach for cross-survey image mapping

During the last decade, there has been an explosive growth in survey data and deep learning techniques, both of which have enabled great advances for astronomy. The amount of data from various surveys from multiple epochs with a wide range…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Brandon Buncher , Awshesh Nath Sharma , Matias Carrasco Kind

Star-galaxy classification in the Dark Energy Survey Y1 dataset

We perform a comparison of different approaches to star-galaxy classification using the broad-band photometric data from Year 1 of the Dark Energy Survey. This is done by performing a wide range of tests with and without external `truth'…

Instrumentation and Methods for Astrophysics · Physics 2018-10-31 I. Sevilla-Noarbe , B. Hoyle , M. J. Marchã , M. T. Soumagnac , K. Bechtol , A. Drlica-Wagner , F. Abdalla , J. Aleksić , C. Avestruz , E. Balbinot , M. Banerji , E. Bertin , C. Bonnett , R. Brunner , M. Carrasco-Kind , A. Choi , T. Giannantonio , E. Kim , O. Lahav , B. Moraes , B. Nord , A. J. Ross , E. S. Rykoff , B. Santiago , E. Sheldon , K. Wei , W. Wester , B. Yanny , T. Abbott , S. Allam , D. Brooks , A. Carnero-Rosell , J. Carretero , C. Cunha , L. da Costa , C. Davis , J. de Vicente , S. Desai , P. Doel , E. Fernandez , B. Flaugher , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. Gruen , R. Gruendl , J. Gschwend , G. Gutierrez , D. L. Hollowood , K. Honscheid , D. James , T. Jeltema , D. Kirk , E. Krause , K. Kuehn , T. S. Li , M. Lima , M. A. G. Maia , M. March , R. G. McMahon , F. Menanteau , R. Miquel , R. L. C. Ogando , A. A. Plazas , 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 , A. R. Walker

CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST

This paper introduces cosmoDC2, a large synthetic galaxy catalog designed to support precision dark energy science with the Large Synoptic Survey Telescope (LSST). CosmoDC2 is the starting point for the second data challenge (DC2) carried…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-08 Danila Korytov , Andrew Hearin , Eve Kovacs , Patricia Larsen , Esteban Rangel , Joseph Hollowed , Andrew J. Benson , Katrin Heitmann , Yao-Yuan Mao , Anita Bahmanyar , Chihway Chang , Duncan Campbell , Joseph Derose , Hal Finkel , Nicholas Frontiere , Eric Gawiser , Salman Habib , Benjamin Joachimi , François Lanusse , Nan Li , Rachel Mandelbaum , Christopher Morrison , Jeffrey A. Newman , Adrian Pope , Eli Rykoff , Melanie Simet , Chun-Hao To , Vinu Vikraman , Risa H. Wechsler , Martin White

Towards Exascale Scientific Metadata Management

Advances in technology and computing hardware are enabling scientists from all areas of science to produce massive amounts of data using large-scale simulations or observational facilities. In this era of data deluge, effective coordination…

Databases · Computer Science 2015-03-31 Spyros Blanas , Surendra Byna