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Related papers: High-speed multicolor photometry with CMOS cameras

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We present some results of testing of commercial color CMOS cameras for astronomical applications. CMOS sensors allow to perform photometry in three filters simultaneously that gives a great advantage compared with monochrome CCD detectors.…

Instrumentation and Methods for Astrophysics · Physics 2013-06-17 S. M. Pokhvala , B. E. Zhilyaev , V. M. Reshetnyk

Modern scientific CMOS cameras offer very fast readout speeds and low read noise. In this study, we evaluate the performance of the Andor Marana CMOS camera through on-sky testing carried out at the NGTS facility at the ESO Paranal…

The authors examined the suitability of using a Digital Single Lens Reflex (DSLR) camera for stellar photometry and, in particular, investigated wide field exposures made with minimal equipment for analysis of bright variable stars. A…

Solar and Stellar Astrophysics · Physics 2013-03-28 Brian K. Kloppenborg , Roger Pieri , Heinz-Bernd Eggenstein , Grigoris Maravelias , Tom Pearson

Ground-based exoplanet surveys such as SuperWASP, HATNet and KELT have discovered close to two hundred transiting extrasolar planets in the past several years. The strategy of these surveys is to look at a large field of view and measure…

Instrumentation and Methods for Astrophysics · Physics 2016-03-23 M. Zhang , G. Á. Bakos , K. Penev , Z. Csubry , J. D. Hartman , W. Bhatti , M. de Val-Borro

We have built and tested a compact, low-cost, but very-high-performance astronomical polarimeter based on a continuously rotating half-wave plate and a high-speed imaging detector. The polarimeter is suitable for small telescopes up to ~1 m…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 Jeremy Bailey , Daniel V. Cotton , Ain De Horta , Lucyna Kedziora-Chudczer , Om Shastri

Obtaining accurate photometry of bright stars from the ground remains tricky because of the danger of overexposure of the target and/or lack of suitable nearby comparison star. The century-old method of the objective wire mesh used to…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Krzysztof Kamiński , Aleksander Schwarzenberg-Czerny , Marika Zgórz

The design and implementation of astronomical cameras based on the large-format CCD and CMOS detectors is described in this paper. The Dinacon-5 controller is used for work with the CCDs and to achieve high performance and low noise. A new…

Instrumentation and Methods for Astrophysics · Physics 2021-01-21 V. I. Ardilanov , V. A. Murzin , I. V. Afanasieva , N. G. Ivaschenko , M. A. Pritychenko

Scientific CMOS cameras are becoming increasingly prevalent in modern observational astronomy. We assess the ability of CMOS image sensors technology to perform high-precision photometry with a detailed laboratory characterization of the…

Instrumentation and Methods for Astrophysics · Physics 2025-10-17 Ioannis Apergis , Daniel Bayliss , Leonidas Asimakoulas , Paul Chote , James McCormac , Morgan A. Mitchell , Sam Gill , Philip G. Steen , Peter Wheatley

We have constructed a large format mosaic CCD camera for the Sloan Digital Sky Survey. The camera consists of two arrays, a photometric array which uses 30 2048 x 2048 SITe/Tektronix CCDs (24 micron pixels) with an effective imaging area of…

Astrophysics · Physics 2011-05-23 J. Gunn , M. Carr , C. Rockosi , M. Sekiguchi

The pCam6060 photodetecting system was developed at SAO RAS and is based on the GSENSE6060BSI photodetector manufactured by GPixel (China) with a frame format of 6144x6144 active pixels and a pixel size of 10 mkm. The readout speed reached…

Instrumentation and Methods for Astrophysics · Physics 2024-12-16 I. Afanasieva , V. Murzin , V. Ardilanov , N. Ivaschenko , M. Pritychenko

In recent years, scientific CMOS (sCMOS) sensors have found increasing applications to X-ray detection, including X-ray astronomical observations. In order to examine the performance of sCMOS sensors, we have developed X-ray cameras based…

Instrumentation and Methods for Astrophysics · Physics 2022-09-28 Wenxin Wang , Zhixing Ling , Chen Zhang , Qiong Wu , Zhenqing Jia , Xinyang Wang , Weimin Yuan , Shuang-Nan Zhang

A CMY colour camera differs from its RGB counterpart in that it employs a subtractive colour space of cyan, magenta and yellow. CMY cameras tend to performs better than RGB cameras in low light conditions due to their much higher…

Instrumentation and Detectors · Physics 2020-10-23 Xin He , Y. Liu , P. Beckett , H. Uddin , A. Nirmalathas , R. R. Unnithan

Based on 13 nights of observations of four fields in NGC 300, we have set up an extensive sequence of stars with accurate BVI photometry covering a relatively large (25 x 25 arcmin) region centered on this galaxy. This sequence of standard…

Astrophysics · Physics 2009-11-07 G. Pietrzynski , W. Gieren , A. Udalski

We describe a system for rapidly measuring the brightness of the night sky using a mosaic of CCD images obtained with a low-cost automated system. The portable system produces millions of independent photometric measurements covering the…

Astrophysics · Physics 2009-11-13 D. M. Duriscoe , C. B. Luginbuhl , C. A. Moore

We demonstrate ground-based submillimagnitude (<10^-3) photometry of widely separated bright stars using snapshot CCD imaging. We routinely achieved this photometric precision by (1) choosing nearby comparison stars of a similar magnitude…

Earth and Planetary Astrophysics · Physics 2015-05-30 Andrew W. Mann , Eric Gaidos , Greg Aldering

CMOS detectors offer many advantages over CCDs for optical and UV astronomical applications, especially in space where high radiation tolerance is required. However, astronomical instruments are most often designed for low light-level…

Instrumentation and Methods for Astrophysics · Physics 2022-03-31 Timothee Greffe , Roger Smith , Myles Sherman , Fiona Harrison , Hannah Earnshaw , Brian Grefenstette , John Hennessy , Shouleh Nikzad

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…

Instrumentation and Methods for Astrophysics · Physics 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

This work shows details of an evaluation of an observational system comprising a CMOS detector, 60-cm telescope, and filter complement. The system's photometric precision and differential photometric precision, and extinction coefficients…

Instrumentation and Methods for Astrophysics · Physics 2024-03-20 Hai-Yang Mu , Zhou Fan , Yi-Nan Zhu , Yu Zhang , Hong Wu

We present the design and testing of a compact, low-cost stellar spectrometer developed for undergraduate and outreach applications. The instrument employs a 600 lines/mm diffraction grating, a CMOS monochrome sensor, and a 3D-printed mount…

Instrumentation and Methods for Astrophysics · Physics 2025-11-07 Abhinav Roy , Niti Singh

The Teledyne COSMOS-66 is a next-generation CMOS camera designed for astronomical imaging, featuring a large-format sensor ($8120 \times 8120$ pixels, each $10 \mu m$), high quantum efficiency, high frame rates, and a correlated…

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