Related papers: New variable sources revealed by DECam toward the …

Deep Drilling in the Time Domain with DECam: Survey Characterization

This paper presents a new optical imaging survey of four deep drilling fields (DDFs), two Galactic and two extragalactic, with the Dark Energy Camera (DECam) on the 4 meter Blanco telescope at the Cerro Tololo Inter-American Observatory…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 Melissa L. Graham , Robert A. Knop , Thomas Kennedy , Peter E. Nugent , Eric Bellm , Márcio Catelan , Avi Patel , Hayden Smotherman , Monika Soraisam , Steven Stetzler , Lauren N. Aldoroty , Autumn Awbrey , Karina Baeza-Villagra , Pedro H. Bernardinelli , Federica Bianco , Dillon Brout , Riley Clarke , William I. Clarkson , Thomas Collett , James R. A. Davenport , Shenming Fu , John E. Gizis , Ari Heinze , Lei Hu , Saurabh W. Jha , Mario Jurić , J. Bryce Kalmbach , Alex Kim , Chien-Hsiu Lee , Chris Lidman , Mark Magee , Clara E. Martínez-Vázquez , Thomas Matheson , Gautham Narayan , Antonella Palmese , Christopher A. Phillips , Markus Rabus , Armin Rest , Nicolás Rodríguez-Segovia , Rachel Street , A. Katherina Vivas , Lifan Wang , Nicholas Wolf , Jiawen Yang

The Dark Energy Camera (DECam)

In this paper we describe the Dark Energy Camera (DECam), which will be the primary instrument used in the Dark Energy Survey. DECam will be a 3 sq. deg. mosaic camera mounted at the prime focus of the Blanco 4m telescope at the…

Astrophysics · Physics 2019-08-13 K. Honscheid , D. L. DePoy

COSMIC-S: a photometric Catalogue of Observed Stars in the Small MagellanIc Cloud

The Dark Energy Camera (DECam) is a wide-field instrument mounted on the 4m V. Blanco Telescope (CTIO). Its impressive technical characteristics makes it one of the most suitable ground-based telescope for the production of accurate stellar…

Solar and Stellar Astrophysics · Physics 2025-06-06 A. Franco , A. A. Nucita , F. De Paolis , F. Strafella

The Dark Energy Survey: more than dark energy - an overview

This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES early data. DES is using a wide-field camera (DECam) on the…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-18 Dark Energy Survey Collaboration , T. Abbott , F. B. Abdalla , J. Aleksic , S. Allam , A. Amara , D. Bacon , E. Balbinot , M. Banerji , K. Bechtol , A. Benoit-Levy , G. M. Bernstein , E. Bertin , J. Blazek , C. Bonnett , S. Bridle , D. Brooks , R. J. Brunner , E. Buckley-Geer , D. L. Burke , G. B. Caminha , D. Capozzi , J. Carlsen , A. Carnero-Rosell , M. Carollo , M. Carrasco-Kind , J. Carretero , F. J. Castander , L. Clerkin , T. Collett , C. Conselice , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , T. M. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , A. Drlica-Wagner , J. Estrada , J. Etherington , A. E. Evrard , J. Fabbri , D. A. Finley , B. Flaugher , R. J. Foley , P. Rosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , D. Gruen , R. A. Gruendl , P. Guarnieri , G. Gutierrez , W. Hartley , K. Honscheid , B. Jain , D. J. James , T. Jeltema , S. Jouvel , R. Kessler , A. King , D. Kirk , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , M. Makler , M. Manera , C. Maraston , J. L. Marshall , P. Martini , R. G. McMahon , P. Melchior , A. Merson , C. J. Miller , R. Miquel , J. J. Mohr , X. Morice-Atkinson , K. Naidoo , E. Neilsen , R. C. Nichol , B. Nord , R. Ogando , F. Ostrovski , A. Palmese , A. Papadopoulos , H. Peiris , J. Peoples , W. J. Percival , A. A. Plazas , S. L. Reed , A. Refregier , A. K. Romer , A. Roodman , A. Ross , E. Rozo , E. S. Rykoff , I. Sadeh , M. Sako , C. Sanchez , E. Sanchez , B. Santiago , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , M. Soumagnac , E. Suchyta , M. Sullivan , M. Swanson , G. Tarle , J. Thaler , D. Thomas , R. C. Thomas , D. Tucker , J. D. Vieira , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , W. Wester , L. Whiteway , H. Wilcox , B. Yanny , Y. Zhang , J. Zuntz

The Dark Energy Camera Magellanic Clouds Emission-Line Survey

We have used the Dark Energy Camera (DECam) on the CTIO Blanco 4-m telescope to perform a new emission-line survey of the Large Magellanic Cloud (LMC) using narrow-band H-alpha and [SII] filters in addition to a continuum band for use in…

Astrophysics of Galaxies · Physics 2024-09-10 Sean D. Points , Knox S. Long , William P. Blair , Rosa Williams , You-Hua Chu , P. Frank Winkler , Richard L. White , Armin Rest , Chuan-Jui Li , Francisco Valdes

The Dark Energy Spectrometer (DESpec): A Multi-Fiber Spectroscopic Upgrade of the Dark Energy Camera and Survey for the Blanco Telescope

We describe an initiative to build and use the Dark Energy Spectrometer (DESpec), a wide-field spectroscopic survey instrument for the Blanco 4 meter telescope at Cerro Tololo InterAmerican Observatory (CTIO) in Chile. A new system with…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-13 F. Abdalla , J. Annis , D. Bacon , S. Bridle , F. Castander , M. Colless , D. DePoy , H. T. Diehl , M. Eriksen , B. Flaugher , J. Frieman , E. Gaztanaga , C. Hogan , S. Jouvel , S. Kent , D. Kirk , R. Kron , S. Kuhlmann , O. Lahav , J. Lawrence , H. Lin , J. Marriner , J. Marshall , J. Mohr , R. C. Nichol , M. Sako , W. Saunders , M. Soares-Santos , D. Thomas , R. Wechsler , A. West , H. Wu

A Dark Energy Camera Search for an Optical Counterpart to the First Advanced LIGO Gravitational Wave Event GW150914

We report initial results of a deep search for an optical counterpart to the gravitational wave event GW150914, the first trigger from the Advanced LIGO gravitational wave detectors. We used the Dark Energy Camera (DECam) to image a 102…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-08 M. Soares-Santos , R. Kessler , E. Berger , J. Annis , D. Brout , E. Buckley-Geer , H. Chen , P. S. Cowperthwaite , H. T. Diehl , Z. Doctor , A. Drlica-Wagner , B. Farr , D. A. Finley , B. Flaugher , R. J. Foley , J. Frieman , R. A. Gruendl , K. Herner , D. Holz , H. Lin , J. Marriner , E. Neilsen , A. Rest , M. Sako , D. Scolnic , F. Sobreira , A. R. Walker , W. Wester , B. Yanny , T. M. C. Abbott , F. B. Abdalla , F. B. Abdalla , S. Allam , R. Armstrong , M. Banerji , A. Benoit-Lévy , R. A. Bernstein , E. Bertin , D. A. Brown , D. L. Burke , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , S. B. Cenko , R. Chornock , M. Crocce , C. B. D'Andrea , C. B. D'Andrea , L. N. da Costa , S. Desai , J. P. Dietrich , M. R. Drout , T. F. Eifler , J. Estrada , A. E. Evrard , S. Fairhurst , E. Fernandez , J. Fischer , W. Fong , P. Fosalba , D. B. Fox , C. L. Fryer , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , D. A. Goldstein , D. Gruen , G. Gutierrez , K. Honscheid , D. J. James , I. Karliner , D. Kasen , S. Kent , N. Kuropatkin , K. Kuehn , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , R. Margutti , P. Martini , T. Matheson , R. G. McMahon , B. D. Metzger , C. J. Miller , R. Miquel , J. J. Mohr , R. C. Nichol , B. Nord , R. Ogando , J. Peoples , A. A. Plazas , E. Quataert , A. K. Romer , A. Roodman , A. Roodman , E. S. Rykoff , E. S. Rykoff , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , I. Sevilla-Noarbe , E. Sheldon , M. Smith , N. Smith , R. C. Smith , A. Stebbins , P. J. Sutton , M. E. C. Swanson , G. Tarle , J. Thaler , R. C. Thomas , D. L. Tucker , V. Vikram , R. H. Wechsler , J. Weller

Photometric characterization of the Dark Energy Camera

We characterize the variation in photometric response of the Dark Energy Camera (DECam) across its 520~Mpix science array during 4 years of operation. These variations are measured using high signal-to-noise aperture photometry of $>10^7$…

Instrumentation and Methods for Astrophysics · Physics 2018-04-18 G. M. Bernstein , T. M. C. Abbott , R. Armstrong , D. L. Burke , H. T. Diehl , R. A. Gruendl , M. D. Johnson , T. S. Li , E. S. Rykoff , A. R. Walker , W. Wester , B. Yanny

The DECADE cosmic shear project I: A new weak lensing shape catalog of 107 million galaxies

We present the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern Galactic cap. This catalog was assembled from public DECam…

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

DECam integration tests on telescope simulator

The Dark Energy Survey (DES) is a next generation optical survey aimed at measuring the expansion history of the universe using four probes: weak gravitational lensing, galaxy cluster counts, baryon acoustic oscillations, and Type Ia…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 M. Soares-Santos , J. Annis , M. Bonati , E. Buckley-Geer , H. Cease , D. DePoy , G. Derylo , H. T. Diehl , A. Elliott , J. Estrada , D. Finley , B. Flaugher , J. Frieman , J. Hao , K. Honscheid , I. Karliner , K. Krempetz , K. Kuehn , S. Kuhlmann , K. Kuk , H. Lin , W. Merrit , E. Neilsen , L. Scott , S. Serrano , T. Shaw , K. Schultz , W. Stuermer , A. Sypniewski , J. Thaler , A. Walker , J. Walton , W. Wester , B. Yanny

The DECam Local Volume Exploration Survey Data Release 2

We present the second public data release (DR2) from the DECam Local Volume Exploration survey (DELVE). DELVE DR2 combines new DECam observations with archival DECam data from the Dark Energy Survey, the DECam Legacy Survey, and other DECam…

Instrumentation and Methods for Astrophysics · Physics 2022-08-17 A. Drlica-Wagner , P. S. Ferguson , M. Adamów , M. Aguena , F. Andrade-Oliveira , D. Bacon , K. Bechtol , E. F. Bell , E. Bertin , P. Bilaji , S. Bocquet , C. R. Bom , D. Brooks , D. L. Burke , J. A. Carballo-Bello , J. L. Carlin , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , W. Cerny , C. Chang , Y. Choi , C. Conselice , M. Costanzi , D. Crnojević , L. N. da Costa , J. De Vicente , S. Desai , J. Esteves , S. Everett , I. Ferrero , M. Fitzpatrick , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , W. G. Hartley , D. Hernandez-Lang , S. R. Hinton , D. L. Hollowood , K. Honscheid , A. K. Hughes , A. Jacques , D. J. James , M. D. Johnson , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , C. Lidman , H. Lin , M. March , J. L. Marshall , D. Martínez-Delgado , C. E. Martínez-Vázquez , P. Massana , S. Mau , M. McNanna , P. Melchior , F. Menanteau , A. E. Miller , R. Miquel , J. J. Mohr , R. Morgan , B. Mutlu-Pakdil , R. R. Muñoz , E. H. Neilsen , D. L. Nidever , R. Nikutta , J. L. Nilo Castellon , N. E. D. Noël , R. L. C. Ogando , K. A. G. Olsen , A. B. Pace , A. Palmese , F. Paz-Chinchón , M. E. S. Pereira , A. Pieres , A. A. Plazas Malagón , J. Prat , A. H. Riley , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , M. Sako , J. D. Sakowska , E. Sanchez , F. J. Sánchez , D. J. Sand , L. Santana-Silva , B. Santiago , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , J. D. Simon , M. Smith , M. Soares-Santos , G. S. Stringfellow , E. Suchyta , D. J. Suson , C. Y. Tan , G. Tarle , K. Tavangar , D. Thomas , C. To , E. J. Tollerud , M. A. Troxel , D. L. Tucker , T. N. Varga , A. K. Vivas , A. R. Walker , J. Weller , R. D. Wilkinson , J. F. Wu , B. Yanny , E. Zaborowski , A. Zenteno

Identifying Periodic Variable Stars and Eclipsing Binary Systems with Long-Term Las Cumbres Observatory Photometric Monitoring of ZTF J0139+5245

We present the results of our search for variable stars using the long-term Las Cumbres Observatory (LCO) monitoring of white dwarf ZTF J0139+5245 with the two 1.0-m telescope nodes located at McDonald Observatory using the Sinistro imaging…

Solar and Stellar Astrophysics · Physics 2021-09-29 Aniket Sanghi , Zachary P. Vanderbosch , Michael H. Montgomery

The Dark Energy Camera Plane Survey 2 (DECaPS2): More Sky, Less Bias, and Better Uncertainties

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…

Astrophysics of Galaxies · Physics 2023-02-01 A. K. Saydjari , E. F. Schlafly , D. Lang , A. M. Meisner , G. M. Green , C. Zucker , I. Zelko , J. S. Speagle , T. Daylan , A. Lee , F. Valdes , D. Schlegel , D. P. Finkbeiner

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

The DECam Local Volume Exploration Survey: Overview and First Data Release

The DECam Local Volume Exploration survey (DELVE) is a 126-night survey program on the 4-m Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile. DELVE seeks to understand the characteristics of faint satellite galaxies…

Astrophysics of Galaxies · Physics 2021-09-03 A. Drlica-Wagner , J. L. Carlin , D. L. Nidever , P. S. Ferguson , N. Kuropatkin , M. Adamów , W. Cerny , Y. Choi , J. H. Esteves , C. E. Martínez-Vázquez , S. Mau , A. E. Miller , B. Mutlu-Pakdil , E. H. Neilsen , K. A. G. Olsen , A. B. Pace , A. H. Riley , J. D. Sakowska , D. J. Sand , L. Santana-Silva , E. J. Tollerud , D. L. Tucker , A. K. Vivas , E. Zaborowski , A. Zenteno , T. M. C. Abbott , S. Allam , K. Bechtol , C. P. M. Bell , E. F. Bell , P. Bilaji , C. R. Bom , J. A. Carballo-Bello , M. -R. L. Cioni , A. Diaz-Ocampo , T. J. L. de Boer , D. Erkal , R. A. Gruendl , D. Hernandez-Lang , A. K. Hughes , D. J. James , L. C. Johnson , T. S. Li , Y. -Y. Mao , D. Martínez-Delgado , P. Massana , M. McNanna , R. Morgan , E. O. Nadler , N. E. D. Noël , A. Palmese , A. H. G. Peter , E. S. Rykoff , J. Sánchez , N. Shipp , J. D. Simon , A. Smercina , M. Soares-Santos , G. S. Stringfellow , K. Tavangar , R. P. van der Marel , A. R. Walker , R. H. Wechsler , J. F. Wu , B. Yanny , M. Fitzpatrick , L. Huang , A. Jacques , R. Nikutta , A. Scott

The DECADE cosmic shear project II: photometric redshift calibration of the source galaxy sample

We present the photometric redshift characterization and calibration for the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 D. Anbajagane , A. Alarcon , R. Teixeira , C. Chang , L. F. Secco , C. Y. Tan , A. Drlica-Wagner , M. Adamow , R. A. Gruendl , G. Giannini , M. R. Becker , P. S. Ferguson , N. Chicoine , Z. Zhang , K. Herron , D. Suson , A. N. Alsina , A. Amon , C. R. Bom , J. A. Carballo-Bello , W. Cerny , A. Choi , Y. Choi , C. Doux , K. Eckert , M. Gatti , D. Gruen , W. G. Hartley , K. Herner , E. M. Huff , D. J. James , 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 , M. Raveri , A. H. Riley , J. D. Sakowska , D. Sanchez-Cid , D. J. Sand , L. Santana-Silva , I. Sevilla-Noarbe , M. Soares-Santos , G. S. Stringfellow , A. K. Vivas , M. Yamamoto

Exploring the crowded central region of 10 Galactic globular clusters using EMCCDs. Variable star searches and new discoveries

Obtain time-series photometry of the very crowded central regions of Galactic globular clusters with better angular resolution than previously achieved with conventional CCDs on ground-based telescopes to complete, or improve, the census of…

Solar and Stellar Astrophysics · Physics 2016-03-30 R. Figuera Jaimes , D. M. Bramich , J. Skottfelt , N. Kains , U. G. Jørgensen , K. Horne , M. Dominik , K. A. Alsubai , V. Bozza , S. Calchi Novati , S. Ciceri , G. D'Ago , P. Galianni , S. -H. Gu , K. B. W Harpsøe , T. Haugbølle , T. C. Hinse , M. Hundertmark , D. Juncher , H. Korhonen , C. Liebig , L. Mancini , A. Popovas , M. Rabus , S. Rahvar , G. Scarpetta , R. W. Schmidt , C. Snodgrass , J. Southworth , D. Starkey , R. A. Street , J. Surdej , X. -B. Wang , O. Wertz

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

The DECADE cosmic shear project III: validation of analysis pipeline using spatially inhomogeneous data

We present the pipeline for the cosmic shear analysis of the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog consisting of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 D. Anbajagane , C. Chang , N. Chicoine , L. F. Secco , C. Y. Tan , P. S. Ferguson , A. Drlica-Wagner , K. Herron , M. Adamow , R. A. Gruendl , M. R. Becker , R. Teixeira , Z. Zhang , A. Alarcon , D. Suson , A. N. Alsina , A. Amon , F. Andrade-Oliveira , J. Blazek , H. Camacho , J. A. Carballo-Bello , W. Cerny , Y. Choi , C. Doux , M. Gatti , D. Gruen , D. J. James , E. Krause , N. Kuropatkin , C. E. Martínez-Vázquez , P. Massana , S. Mau , J. McCullough , G. E. Medina , B. Mutlu-Pakdil , M. Navabi , N. E. D. Noël , A. B. Pace , A. Porredon , M. Raveri , A. H. Riley , J. D. Sakowska , S. Samuroff , D. Sanchez-Cid , D. J. Sand , L. Santana-Silva , M. Soares-Santos , G. S. Stringfellow , C. To , A. K. Vivas , M. Yamamoto , A. Zenteno , J. Zuntz

DECam Multi-Messenger Astrophysics Pipeline. I. from Raw Data to Single-Exposure Candidates

We introduce a pipeline that performs rapid image subtraction and source selection to detect transients, with a focus on identifying gravitational wave optical counterparts using the Dark Energy Camera (DECam). In this work, we present the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-27 Shenming Fu , Thomas Matheson , Aaron Meisner , Yuanyuan Zhang , Sebastián Vicencio , Destry Saul