相关论文: Measuring the flatness of focal plane for very lar…

The DECam Ecliptic Exploration Project (DEEP) II. Observational Strategy and Design

We present the DECam Ecliptic Exploration Project (DEEP) survey strategy including observing cadence for orbit determination, exposure times, field pointings and filter choices. The overall goal of the survey is to discover and characterize…

地球与行星天体物理 · 物理学 2023-11-01 Chadwick A. Trujillo , Cesar Fuentes , David W. Gerdes , Larissa Markwardt , Scott S. Sheppard , Ryder Strauss , Colin Orion Chandler , William J. Oldroyd , David E. Trilling , Hsing Wen Lin , Fred C. Adams , Pedro H. Bernardinelli , Matthew J. Holman , Mario Juric , Andrew McNeill , Michael Mommert , Kevin J. Napier , Matthew J. Payne , Darin Ragozzine , Andrew S. Rivkin , Hilke Schlichting , Hayden Smotherman

New variable sources revealed by DECam toward the LMC: the first 15 deg2

The Dark Energy Camera (DECam) is a sensitive, wide field instrument mounted at the prime focus of the 4 m V. Blanco Telescope in Chile. Beside its main objectives, i.e. understanding the growth and evolution of structures in the Universe,…

太阳与恒星天体物理 · 物理学 2023-04-18 A. Franco , A. A. Nucita , F. De Paolis , F. Strafella , S. Sacquegna

Flattening Scientific CCD Imaging Data with a Dome Flat Field System

We describe the flattening of scientific CCD imaging data using a dome flat field system. The system uses light emitting diodes (LEDs) to illuminate a carefully constructed dome flat field screen. LEDs have several advantages over more…

天体物理学 · 物理学 2007-05-23 J. L. Marshall , D. L. DePoy

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…

星系天体物理 · 物理学 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

On-sky measurements of the transverse electric fields' effects in the Dark Energy Camera CCDs

Photo-generated charge in thick, back-illuminated, fully-depleted CCDs is transported by electric fields from the silicon substrate to the collecting well at the front gate of the CCDs. However, electric fields transverse to the surface of…

天体物理仪器与方法 · 物理学 2017-04-06 Andrés A. Plazas , Gary M. Bernstein , Erin S. Sheldon

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…

宇宙学与河外天体物理 · 物理学 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

HiPERCAM: A high-speed, quintuple-beam CCD camera for the study of rapid variability in the Universe

HiPERCAM is a high-speed camera for the study of rapid variability in the Universe. The project is funded by a 3.5MEuro European Research Council Advanced Grant. HiPERCAM builds on the success of our previous instrument, ULTRACAM, with very…

天体物理仪器与方法 · 物理学 2016-12-14 V. S. Dhillon , T. R. Marsh , N. Bezawada , M. Black , S. Dixon , T. Gamble , D. Henry , P. Kerry , S. P. Littlefair , D. W. Lunney , T. Morris , J. Osborn , R. W. Wilson

The DECam MAGIC Survey $-$ Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science

We present the DECam Mapping the Ancient Galaxy in CaHK (MAGIC) survey, a 54-night NOIRLab Survey Program to image $\gtrsim$5,000$\,$deg$^2$ of the southern hemisphere using a metallicity-sensitive narrow-band filter covering the…

星系天体物理 · 物理学 2026-05-27 A. Chiti , A. Drlica-Wagner , A. B. Pace , W. Cerny , K. R. Atzberger , F. O. Barbosa , J. A. Carballo-Bello , H. Q. Do , A. P. Ji , G. Limberg , A. M. Luna , C. E. Martínez-Vázquez , V. M. Placco , D. S. Prabhu , G. S. Stringfellow , A. K. Vivas , A. R. Walker , S. N. Campana , J. L. Carlin , V. Chandra , D. Crnojević , P. S. Ferguson , J. J. Hermes , N. Kallivayalil , G. E. Medina , M. Navabi , N. E. D. Noël , A. H. Riley , D. J. Sand , C. W. Skeffington , K. Tavangar , J. F. Wu , Y. Choi , D. Erkal , D. J. James , T. S. Li , P. Massana , B. Mutlu-Pakdil , D. L. Nidever , K. A. G. Olsen , J. D. Sakowska , L. Santana-Silva , J. D. Simon , E. Tollerud , A. Zenteno

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…

宇宙学与河外天体物理 · 物理学 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

The European Photon Imaging Camera on XMM-Newton: The MOS Cameras

The EPIC focal plane imaging spectrometers on XMM-Newton use CCDs to record the images and spectra of celestial X-ray sources focused by the three X-ray mirrors. There is one camera at the focus of each mirror; two of the cameras contain…

天体物理学 · 物理学 2009-10-31 M. J. L. Turner , A. Abbey , M. Arnaud

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…

天体物理学 · 物理学 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

Astronomical Camera Based on a CCD261-84 Detector with Increased Sensitivity in the Near-Infrared

Herein, we describe the design, implementation and operation principles of an astronomical camera system, based on a large-format CCD261-84 detector with an extremely thick 200 mkm substrate. The DINACON-V controller was used with the CCD…

天体物理仪器与方法 · 物理学 2023-07-07 Irina Afanasieva , Valery Murzin , Valery Ardilanov , Nikolai Ivaschenko , Maksim Pritychenko , Alexei Moiseev , Elena Shablovinskaya , Eugene Malygin

Design and characterization of the Flat-Field Calibration of the NectarCAM Camera

The NectarCAM flat-field flasher is a calibration device designed for the camera that will equip the Medium-Sized Telescopes (MSTs) of the northern site of the Cherenkov Telescope Array Observatory (CTAO). Positioned in the centre of the…

天体物理仪器与方法 · 物理学 2025-09-19 Anastasiia Mikhno , Federica Bradascio , Jonathan Biteau , François Brun , Patrick Brun , Hossam Boutalha , Justine Devin , Armelle Jardin-Blicq , Pierre Jean , Michael Josselin , Jean-Philippe Lenain , Quentin Luce , Vincent Marandon , Kevin Pressard , Georges Vasileiadis , CTAO NectarCAM Collaboration

Wide-field CCD imaging at CFHT: the MOCAM example

We describe a new 4096x4096 pixel CCD mosaic camera (MOCAM) available at the prime focus of the Canada-France-Hawaii Telescope (CFHT). The camera is a mosaic of four 2048x2048$ Loral frontside-illuminated CCDs with 15 $\mu$m pixels,…

天体物理学 · 物理学 2009-10-28 J. -C. Cuillandre , Y. Mellier , J. -P. Dupin , P. Tilloles , R. Murowinski , D. Crampton , R. Wooff , G. A. Luppino

ULTRACAM: an ultra-fast, triple-beam CCD camera for high-speed astrophysics

ULTRACAM is a portable, high-speed imaging photometer designed to study faint astronomical objects at high temporal resolutions. ULTRACAM employs two dichroic beamsplitters and three frame-transfer CCD cameras to provide three-colour…

天体物理学 · 物理学 2009-06-23 V. S. Dhillon , T. R. Marsh , M. J. Stevenson , D. C. Atkinson , P. Kerry , P. T. Peacocke , A. J. A. Vick , S. M. Beard , D. J. Ives , D. W. Lunney , S. A. McLay , C. J. Tierney , J. Kelly , S. P. Littlefair , R. Nicholson , R. Pashley , E. T. Harlaftis , K. O'Brien

Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument

The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quasars. DESI will determine precise redshifts and employ the…

天体物理仪器与方法 · 物理学 2023-03-15 B. Abareshi , J. Aguilar , S. Ahlen , Shadab Alam , David M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , J. Ameel , E. Armengaud , J. Asorey , Alejandro Aviles , S. Bailey , A. Balaguera-Antolínez , O. Ballester , C. Baltay , A. Bault , S. F. Beltran , B. Benavides , S. BenZvi , A. Berti , R. Besuner , Florian Beutler , D. Bianchi , C. Blake , P. Blanc , R. Blum , A. Bolton , S. Bose , D. Bramall , S. Brieden , A. Brodzeller , D. Brooks , C. Brownewell , E. Buckley-Geer , R. N. Cahn , Z. Cai , R. Canning , A. Carnero Rosell , P. Carton , R. Casas , F. J. Castander , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , C. Chuang , C. Circosta , S. Cole , A. P. Cooper , L. da Costa , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. Dawson , R. de la Cruz-Noriega , A. de la Macorra , A. de Mattia , J. Della Costa , P. Demmer , M. Derwent , A. Dey , B. Dey , G. Dhungana , Z. Ding , C. Dobson , P. Doel , J. Donald-McCann , J. Donaldson , K. Douglass , Y. Duan , P. Dunlop , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , M. Enriquez-Vargas , S. Escoffier , M. Evatt , P. Fagrelius , X. Fan , K. Fanning , V. A. Fawcett , S. Ferraro , J. Ereza , B. Flaugher , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , S. Fromenteau , B. T. Gänsicke , C. Garcia-Quintero , L. Garrison , E. Gaztañaga , F. Gerardi , H. Gil-Marín , S. Gontcho A Gontcho , Alma X. Gonzalez-Morales , G. Gonzalez-de-Rivera , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , C. Grove , D. Gruen , G. Gutierrez , J. Guy , C. Hahn , S. Harris , D. Herrera , Hiram K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , P. Jelinsky , L. Jiang , J. Jimenez , Y. P. Jing , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , M. Karamanis , A. Karcher , T. Karim , R. Kehoe , S. Kent , D. Kirkby , T. Kisner , F. Kitaura , S. E. Koposov , A. Kovács , A. Kremin , Alex Krolewski , B. L'Huillier , O. Lahav , A. Lambert , C. Lamman , Ting-Wen Lan , M. Landriau , S. Lane , D. Lang , J. U. Lange , J. Lasker , L. Le Guillou , A. Leauthaud , A. Le Van Suu , Michael E. Levi , T. S. Li , C. Magneville , M. Manera , Christopher J. Manser , B. Marshall , W. McCollam , P. McDonald , Aaron M. Meisner , J. Mena-Fernández M. Mezcua , T. Miller , R. Miquel , P. Montero-Camacho , J. Moon , J. Paul Martini , J. Meneses-Rizo , J. Moustakas , E. Mueller , Andrea Muñoz-Gutiérrez , Adam D. Myers , S. Nadathur , J. Najita , L. Napolitano , E. Neilsen , Jeffrey A. Newman , J. D. Nie , Y. Ning , G. Niz , P. Norberg , Hernán E. Noriega , T. O'Brien , A. Obuljen , N. Palanque-Delabrouille , A. Palmese , P. Zhiwei , D. Pappalardo , X. Peng , W. J. Percival , S. Perruchot , R. Pogge , C. Poppett , A. Porredon , F. Prada , J. Prochaska , R. Pucha , A. Pérez-Fernández , I. Pérez-Ráfols , D. Rabinowitz , A. Raichoor , S. Ramirez-Solano , César Ramírez-Pérez , C. Ravoux , K. Reil , M. Rezaie , A. Rocher , C. Rockosi , N. A. Roe , A. Roodman , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , S. Safonova , K. Said , A. Saintonge , Javier Salas Catonga , L. Samushia , E. Sanchez , C. Saulder , E. Schaan , E. Schlafly , D. Schlegel , J. Schmoll , D. Scholte , M. Schubnell , A. Secroun , H. Seo , S. Serrano , Ray M. Sharples , Michael J. Sholl , Joseph Harry Silber , D. R. Silva , M. Sirk , M. Siudek , A. Smith , D. Sprayberry , R. Staten , B. Stupak , T. Tan , Gregory Tarlé , Suk Sien Tie , R. Tojeiro , L. A. Ureña-López , F. Valdes , O. Valenzuela , M. Valluri , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , C. Weaverdyck , R. Wechsler , Michael J. Wilson , J. Yang , Y. Yu , S. Yuan , Christophe Yèche , H. Zhang , K. Zhang , Cheng Zhao , Rongpu Zhou , Zhimin Zhou , H. Zou , J. Zou , S. Zou , Y. Zu

The One-hundred-deg^2 DECam Imaging in Narrowbands (ODIN): Survey Design and Science Goals

We describe the survey design and science goals for ODIN (One-hundred-deg^2 DECam Imaging in Narrowbands), a NOIRLab survey using the Dark Energy Camera (DECam) to obtain deep (AB~25.7) narrow-band images over an unprecedented area of sky.…

星系天体物理 · 物理学 2023-09-20 Kyoung-Soo Lee , Eric Gawiser , Changbom Park , Yujin Yang , Francisco Valdes , Dustin Lang , Vandana Ramakrishnan , Byeongha Moon , Nicole Firestone , Stephen Appleby , Maria Celeste Artale , Moira Andrews , Franz E. Bauer , Barbara Benda , Adam Broussard , Yi-Kuan Chiang , Robin Ciardullo , Arjun Dey , Rameen Farooq , Caryl Gronwall , Lucia Guaita , Yun Huang , Ho Seong Hwang , Sanghyeok Im , Woong-Seob Jeong , Shreya Karthikeyan , Hwihyun Kim , Seongjae Kim , Gautam Nagaraj , Julie Nantais , Nelson Padilla , Jaehong Park , Alexandra Pope , Roxana Popescu , David J. Schlegel , Eunsuk Seo , Akriti Singh , Hyunmi Song , Paulina Troncoso , A. Katherina Vivas , Ann Zabludoff , Alfredo Zenteno

FADE, an instrument to measure the atmospheric coherence time

After proposing a new method of deriving the atmospheric time constant from the speed of focus variations (Kellerer & Tokovinin 2007), we now implement it with the new instrument, FADE. FADE uses a 36-cm Celestron telescope that is modified…

天体物理学 · 物理学 2009-11-13 A. Tokovinin , A. Kellerer , V. Coude Du Foresto

High-quality Extragalactic Legacy-field Monitoring (HELM) with DECam

High-quality Extragalactic Legacy-field Monitoring (HELM) is a long-term observing program that photometrically monitors several well-studied extragalactic legacy fields with the Dark Energy Camera (DECam) imager on the CTIO 4m Blanco…

星系天体物理 · 物理学 2024-02-12 Ming-Yang Zhuang , Qian Yang , Yue Shen , Monika Adamow , Douglas N. Friedel , R. A. Gruendl , Xin Liu , Paul Martini , Timothy M. C. Abbott , Scott F. Anderson , Roberto J. Assef , Franz E. Bauer , Rich Bielby , W. N. Brandt , Colin J. Burke , Jorge Casares , Yu-Ching Chen , Gisella De Rosa , Alex Drlica-Wagner , Tom Dwelly , Alice Eltvedt , Gloria Fonseca Alvarez , Jianyang Fu , Cesar Fuentes , Melissa L. Graham , Catherine J. Grier , Nathan Golovich , Patrick B. Hall , Patrick Hartigan , Keith Horne , Anton M. Koekemoer , Mirko Krumpe , Jennifer I. Li , Chris Lidman , Umang Malik , Amelia Mangian , Andrea Merloni , Claudio Ricci , Mara Salvato , Rob Sharp , Zachary Stone , David E. Trilling , Brad E. Tucker , Di Wen , Zachary Wideman , Yongquan Xue , Zhefu Yu , Catherine Zucker

Shear Measurement with Poorly Resolved Images

Weak lensing studies typically require excellent seeing conditions for the purpose of maximizing the number density of well-resolved galaxy images. It is interesting to ask to what extent the seeing size limits the usefulness of the…

宇宙学与河外天体物理 · 物理学 2022-09-14 Jun Zhang , Cong Liu , Pedro Alonso Vaquero , Hekun Li , Haoran Wang , Zhi Shen , Fuyu Dong