English
Related papers

Related papers: OIG and Sarg CCD's characterization

200 papers

Extended stellar clusters with effective radii larger than 10 pc have been found in various environments. Objects with masses comparable to globular clusters (GCs) are called extended clusters (ECs), while objects with masses in the dwarf…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 R. C. Bruens , P. Kroupa

Modern scientific complementary metal-oxide semiconductor (sCMOS) detectors provide a highly competitive alternative to charge-coupled devices (CCDs), the latter of which have historically been dominant in optical imaging. sCMOS boast…

Instrumentation and Methods for Astrophysics · Physics 2024-12-10 Aditya Khandelwal , Sarik Jeram , Ryan Dungee , Albert W. K. Lau , Allison Lau , Ethen Sun , Phil Van-Lane , Shaojie Chen , Aaron Tohuvavohu , Ting S. Li

We propose a "thin" detector as a high-angular-precision telescope and polarimeter for cosmic gamma-rays above the pair-creation threshold. We have built a demonstrator based on a gaseous TPC. We are presently characterizing the detector…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Denis Bernard

We present a photometric method for identifying stars, galaxies and quasars in multi-color surveys and estimating multi-color redshifts for the extragalactic objects. We use a library of >65000 color templates for comparison with observed…

Astrophysics · Physics 2009-10-31 Christian Wolf , Klaus Meisenheimer , Hermann-Josef Röser

Globally, cataract is a common eye disease and one of the leading causes of blindness and vision impairment. The traditional process of detecting cataracts involves eye examination using a slit-lamp microscope or ophthalmoscope by an…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Pavani Tripathi , Yasmeena Akhter , Mahapara Khurshid , Aditya Lakra , Rohit Keshari , Mayank Vatsa , Richa Singh

Water Cherenkov Detectors (WCD) are efficient detectors for detecting GRBs in the 10 GeV - 1 TeV energy range using the single particle technique, given their sensitivity to low energy secondary photons produced by high energy photons when…

Optical spectroscopy, in particular dual-comb (DC) spectroscopy, is a critical, non-invasive tool for combustion diagnostics, offering high precision and calibration-free advantages. However, its implementation remains challenging,…

CLIC is a proposed linear $e^+e^-$ collider with center-of-mass energies of up to 3 TeV. Its main objectives are precise top quark, Higgs boson and Beyond Standard Model physics. In addition to spatial resolutions of a few micrometers and a…

Instrumentation and Detectors · Physics 2021-03-10 Simon Spannagel

The scanning mid-IR-laser microscopy was previously demonstrated as an effective tool for characterization of different semiconductor crystals. Now the technique has been successfully applied for the investigation of CZ SixGe1-x -- a…

Materials Science · Physics 2011-05-17 V. P. Kalinushkin , O. V. Astafiev , V. A. Yuryev

We have designed and developed a compact ultraviolet imaging payload to fly on a range of possible platforms such as high altitude balloon experiments, cubesats, space missions, etc. The primary science goals are to study the bright UV…

Instrumentation and Methods for Astrophysics · Physics 2016-08-24 Joice Mathew , Ajin Prakash , Mayuresh Sarpotdar , A. G. Sreejith , Margarita Safonova , Jayant Murthy

This paper presents the development of a new technology of registration of ionizing radiation and a new type of detectors - single-cathode multiwire porous detector with neither a gaseous nor semiconductor, but a porous dielectric…

Instrumentation and Detectors · Physics 2015-06-26 M. P. Lorikyan

This work studies electrocardiogram (ECG) biometrics at large scale, directly addressing a critical gap in the literature: the scarcity of large-scale evaluations with operational metrics and protocols that enable meaningful standardization…

Machine Learning · Computer Science 2026-02-05 Scagnetto Arjuna

Several different vertex detector designs for the Linear Collider Detector(LCD) are evaluated in the context of measurements of the branching ratio of the standard model Higgs particle decaying into charm/anti-charm final states. Fast Monte…

High Energy Physics - Experiment · Physics 2007-05-23 Toshinori Abe , Aaron S. Chou

The sky-averaged redshifted 21-cm signal from Cosmic Dawn is expected to provide a unique view of the first compact objects. However, its measurement remains daunting. Difficulties are driven by the large dynamic contrast between the…

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

Current large-aperture cosmic microwave background (CMB) telescopes have nearly maximized the number of detectors that can be illuminated while maintaining diffraction-limited image quality. The polarization-sensitive detector arrays being…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 Michael D. Niemack

Experimental complex (EC) NEVOD includes a number of unique experimental facilities for studies of main components of cosmic rays on the Earth's surface. The complex is used for the basic research of CR flux characteristics and their…

Spectroscopic studies of extreme-ionization galaxies (EIGs) are critical to our understanding of exotic systems throughout cosmic time. These EIGs exhibit spectral features requiring >54.42 eV photons: the energy needed to fully ionize…

An important tool for the development of the next generation of extremely large telescopes (ELTs) is the Systems Engineering (SE). GMACS is the first-generation multi-object spectrograph working at visible wavelengths for the Giant Magellan…

Instrumentation and Methods for Astrophysics · Physics 2018-12-11 D. M. Faes , A. Souza , D. R. Bortoletto , M. C. P. Almeida

The COS Legacy Archive Spectroscopic SurveY (CLASSY) HST/COS treasury program provides the first high-resolution spectral catalogue of 45 local high-z analogues in the UV (1200-2000\AA) to investigate their stellar and gas properties. We…

‹ Prev 1 8 9 10 Next ›