Related papers: The Huntsman Telescope

Construction and On-site Performance of the LHAASO WFCTA Camera

The focal plane camera is the core component of the Wide Field-of-view Cherenkov/fluorescence Telescope Array (WFCTA) of the Large High-Altitude Air Shower Observatory (LHAASO). Because of the capability of working under moonlight without…

Instrumentation and Detectors · Physics 2021-08-09 F. Aharonian , Q. An , Axikegu , L. X. Bai , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , H. Cai , J. T. Cai , Z. Cao , Z. Cao , J. Chang , J. F. Chang , X. C. Chang , B. M. Chen , J. Chen , L. Chen , L. Chen , L. Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , B. D'Ettorre Piazzoli , X. J. Dong , J. H. Fan , Y. Z. Fan , Z. X. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , Y. L. Feng , B. Gao , C. D. Gao , Q. Gao , W. Gao , M. M. Ge , L. S. Geng , G. H. Gong , Q. B. Gou , M. H. Gu , J. G. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. C. He , S. L. He , X. B. He , Y. He , M. Heller , Y. K. Hor , C. Hou , X. Hou , H. B. Hu , S. Hu , S. C. Hu , X. J. Hu , D. H. Huang , Q. L. Huang , W. H. Huang , X. T. Huang , Z. C. Huang , F. Ji , X. L. Ji , H. Y. Jia , K. Jiang , Z. J. Jiang , C. Jin , D. Kuleshov , K. Levochkin , B. B. Li , C. Li , C. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , K. Li , W. L. Li , X. Li , X. Li , X. R. Li , Y. Li , Y. Z. Li , Z. Li , Z. Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. S. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. N. Liu , Z. X. Liu , W. J. Long , R. Lu , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , A. Masood , W. Mitthumsiri , T. Montaruli , Y. C. Nan , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , D. Ruffolo , V. Rulev , A. Sáiz , L. Shao , O. Shchegolev , X. D. Sheng , J. R. Shi , H. C. Song , Yu. V. Stenkin , V. Stepanov , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Z. B. Tang , W. W. Tian , B. D. Wang , C. Wang , H. Wang , H. G. Wang , J. C. Wang , J. S. Wang , L. P. Wang , L. Y. Wang , R. N. Wang , W. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. D. Wang , Y. J. Wang , Y. P. Wang , Z. Wang , Z. Wang , Z. H. Wang , Z. X. Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , W. X. Wu , X. F. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , G. Xiao , H. B. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , D. L. Xu , R. X. Xu , L. Xue , D. H. Yan , C. W. Yang , F. F. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. D. Zeng , T. X. Zeng , W. Zeng , Z. K. Zeng , M. Zha , X. X. Zhai , B. B. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. W. Zhang , L. Zhang , L. Zhang , L. X. Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. Zhang , Y. Zhang , Y. F. Zhang , Y. L. Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , Y. Zheng , B. Zhou , H. Zhou , J. N. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

The KELT-South Telescope

The Kilodegree Extremely Little Telescope (KELT) project is a survey for new transiting planets around bright stars. KELT-South is a small-aperture, wide-field automated telescope located at Sutherland, South Africa. The telescope surveys a…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Joshua Pepper , Rudolf B. Kuhn , Robert Siverd , David James , Keivan Stassun

Bright lenses are easy to find: Spectroscopic confirmation of lensed quasars in the Southern Sky

Gravitationally lensed quasars are valuable, but extremely rare, probes of observational cosmology and extragalactic astrophysics. Progress in these fields has been limited just by the paucity of systems with good ancillary data. Here we…

Astrophysics of Galaxies · Physics 2018-12-26 C. Spiniello , A. Agnello , A. V. Sergeyev , T. Anguita , Ó. Rodríguez , N. R. Napolitano , C. Tortora

JWST Lensed Quasar Dark Matter Survey V: Measuring the minimum halo mass with strong gravitational lensing

We explore the lowest mass limit that can be placed on the halo mass function in CDM using 28 strong gravitational lenses. For this purpose, we study an extreme model in which the halo mass function and mass-concentration relation follow…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-08 A. M. Nierenberg , D. Gilman , T. Treu , X. Du , C. Gannon , H. Paugnat , S. Birrer , A. J. Benson , K. N. Abazajian , T. Anguita , S. G. Djorgovski , S. F. Hoenig , R. E. Keeley , A. Kusenko , H. R. Larsson , L. A. Moustakas , P. Mozumdar , W. Sheu , D. Sluse , D. Stern , D. Williams , K. C. Wong

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…

Astrophysics · Physics 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

Astronomical Image Quality Prediction based on Environmental and Telescope Operating Conditions

Intelligent scheduling of the sequence of scientific exposures taken at ground-based astronomical observatories is massively challenging. Observing time is over-subscribed and atmospheric conditions are constantly changing. We propose to…

Instrumentation and Methods for Astrophysics · Physics 2020-11-09 Sankalp Gilda , Yuan-Sen Ting , Kanoa Withington , Matthew Wilson , Simon Prunet , William Mahoney , Sebastien Fabbro , Stark C. Draper , Andrew Sheinis

Status of the Silicon Photomultiplier Telescope FAMOUS for the Fluorescence Detection of UHECRs

An established technique for the measurement of ultra-high-energy-cosmic-rays is the detection of the fluorescence light induced in the atmosphere of the Earth, by means of telescopes equipped with photomultiplier tubes. Silicon…

Instrumentation and Methods for Astrophysics · Physics 2015-02-04 Tim Niggemann , Pedro Assis , Pedro Brogueira , Antonio Bueno , Hans Michael Eichler , Miguel Ferreira , Thomas Hebbeker , Markus Lauscher , Luís Mendes , Lukas Middendorf , Sergio Navas , Christine Peters , Mário Pimenta , Angel Ruiz , Johannes Schumacher , Maurice Stephan

Diffraction Limited Imaging of High Redshift Galaxies with Adaptive Optics

The major cornerstone of future ground-based astronomy is imaging and spectroscopy at the diffraction limit using adaptive optics. To exploit the potential of current AO systems, we have begun a survey around bright stars to study…

Astrophysics · Physics 2007-05-23 R. I. Davies , M. Lehnert , A. J. Baker , S. Rabien

'Weather' in the LSST Camera: Investigating Patterns in Differenced Flat Images

During electro-optical testing of the camera for the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time, a unique low-signal pattern was found in differenced pairs of flat images used to create photon transfer curves, with…

Instrumentation and Methods for Astrophysics · Physics 2024-11-21 John Banovetz , Yousuke Utsumi , Joshua Meyers , Maya Beleznay , Andrew Rasmussen , Aaron Roodman

TRIDENT: an infrared camera optimized for the detection of methanated substellar companions around nearby stars

A near-infrared (0.85-2.5 microns) camera in use at the Canada-France-Hawaii Telescope and at the 1.6m telescope of the Observatoire du Mont-Megantic is described. The camera is based on a Hawaii-1 1024x1024 HgCdTe array detector. Its main…

Astrophysics · Physics 2015-06-24 C. Marois , R. Doyon , D. Nadeau , R. Racine , M. Riopel , P. Vallee

Estimating Luminosity Function Constraints from High-Redshift Galaxy Surveys

The installation of the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) will revolutionize the study of high-redshift galaxy populations. Initial observations of the HST Ultra Deep Field (UDF) have yielded multiple z>~7…

Instrumentation and Methods for Astrophysics · Physics 2015-03-13 Brant E. Robertson

Advanced simulation techniques for straylight prediction of high performance mm-wave reflecting telescope

The prediction of the antenna radiation pattern can be extremely complex for antenna system composed of several reflector surfaces. Typically, at mm-wavelengths, telescopes are composed of mirrors and shields, and an accurate prediction of…

Astrophysics · Physics 2007-05-23 M. Sandri , F. Villa , M. Bersanelli , R. C. Butler , N. Mandolesi , J. Tauber

The DECam Plane Survey: Optical photometry of two billion objects in the southern Galactic plane

The DECam Plane Survey is a five-band optical and near-infrared survey of the southern Galactic plane with the Dark Energy Camera at Cerro Tololo. The survey is designed to reach past the main-sequence turn-off at the distance of the…

Astrophysics of Galaxies · Physics 2018-02-21 E. F. Schlafly , G. M. Green , D. Lang , T. Daylan , D. P. Finkbeiner , A. Lee , A. M. Meisner , D. Schlegel , F. Valdes

A Dual Narrowband Survey for H\alpha\ Emitters at z=2.2: Demonstration of the Technique and Constraints on the H\alpha\ Luminosity Function

We present first results from a narrowband imaging program for intermediate redshift emission-line galaxies using the newly commissioned FourStar infrared camera at the 6.5m Magellan telescope. To enable prompt identification of H\alpha\…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Janice C. Lee , C. Ly , L. Spitler , I. Labbe , S. Salim , S. E. Persson , M. Ouchi , D. Dale , A. Monson , D. Murphy

Spatial deconvolution of spectropolarimetric data: an application to quiet Sun magnetic elements

Observations of the Sun from the Earth are always limited by the presence of the atmosphere, which strongly disturbs the images. A solution to this problem is to place the telescopes in space satellites, which produce observations without…

Solar and Stellar Astrophysics · Physics 2015-06-24 C. Quintero Noda , A. Asensio Ramos , D. Orozco Suárez , B. Ruiz Cobo

Target Detection Framework for Lobster Eye X-Ray Telescopes with Machine Learning Algorithms

Lobster eye telescopes are ideal monitors to detect X-ray transients, because they could observe celestial objects over a wide field of view in X-ray band. However, images obtained by lobster eye telescopes are modified by their unique…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 Peng Jia , Wenbo Liu , Yuan Liu , Haiwu Pan

The Palomar Transient Factory: System Overview, Performance and First Results

The Palomar Transient Factory (PTF) is a fully-automated, wide-field survey aimed at a systematic exploration of the optical transient sky. The transient survey is performed using a new 8.1 square degree camera installed on the 48-inch…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 N. M. Law , S. R. Kulkarni , R. G. Dekany , E. O. Ofek , R. M. Quimby , P. E. Nugent , J. Surace , C. C. Grillmair , J. S. Bloom , M. M. Kasliwal , L. Bildsten , T. Brown , S. B. Cenko , D. Ciardi , E. Croner , S. G. Djorgovski , J. C. van Eyken , A. V. Filippenko , D. B. Fox , A. Gal-Yam , D. Hale , N. Hamam , G. Helou , J. R. Henning , D. A. Howell , J. Jacobsen , R. Laher , S. Mattingly , D. McKenna , A. Pickles , D. Poznanski , G. Rahmer , A. Rau , W. Rosing , M. Shara , R. Smith , D. Starr , M. Sullivan , V. Velur , R. S. Walters , J. Zolkower

The Effects of Multiple Weak Deflections in Galaxy-Galaxy Lensing

The Hubble Deep Field (North) and the flanking fields are used investigate the occurrence of multiple weak lensing deflections along the line of sight in relatively deep imaging data (z_lens ~ 0.6, z_source ~ 1.2). Ray tracing simulations…

Astrophysics · Physics 2009-11-10 Tereasa G. Brainerd

Optical spectroscopic survey of a sample of Unidentified Fermi objects

We present optical spectroscopy secured at the 10m Gran Telescopio Canarias of the counterparts of 20 extragalactic gamma-ray sources detected by the Fermi satellite. The observations allow us to investigate the nature of these sources and…

Astrophysics of Galaxies · Physics 2017-12-27 Simona Paiano , Renato Falomo , Alberto Franceschini , Aldo Treves , Riccardo Scarpa

Hubble Space Telescope Imaging of Lyman Alpha Emission at z=4.4

We present the highest redshift detections of resolved Lyman alpha emission, using Hubble Space Telescope/ACS F658N narrowband-imaging data taken in parallel with the Wide Field Camera 3 Early Release Science program in the GOODS CDF-S. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Steven L. Finkelstein , Seth H. Cohen , Rogier A. Windhorst , Russell E. Ryan , Nimish P. Hathi , Keely D. Finkelstein , Jay Anderson , Norman A. Grogin , Anton M. Koekemoer , Sangeeta Malhotra , Max Mutchler , James E. Rhoads , Patrick J. McCarthy , Robert W. O'Connell , Bruce Balick , Howard E. Bond , Daniela Calzetti , Michael J. Disney , Michael A. Dopita , Jay A. Frogel , Donald N. B. Hall , Jon A. Holtzman , Randy A. Kimble , Gerard Luppino , Francesco Paresce , Abhijit Saha , Joseph I. Silk , John T. Trauger , Alistair R. Walker , Bradley C. Whitmore , Erick T. Young