Calibration of the NuSTAR High Energy Focusing X-ray Telescope [Replacement]
We present the calibration of the \textit{Nuclear Spectroscopic Telescope Array} (\nustar) X-ray satellite. We used the Crab as the primary effective area calibrator and constructed a piece-wise linear...
View ArticleFeasibility of radar detection of extensive air showers [Replacement]
Reflection of radio waves off the short-lived plasma produced by the high-energy shower particles in the air is simulated, considering various radar setups and shower geometries. We show that the...
View ArticleResults on light dark matter particles with a low-threshold CRESST-II detector
The CRESST-II experiment uses cryogenic detectors to search for nuclear recoil events induced by the elastic scattering of dark matter particles in CaWO$_4$ crystals. Given the low energy threshold of...
View ArticleThe Tunka Radio Extension (Tunka-Rex): Radio Measurements of Cosmic Rays in...
The Tunka observatory is located close to Lake Baikal in Siberia, Russia. Its main detector, Tunka-133, is an array of photomultipliers measuring Cherenkov light of air showers initiated by cosmic rays...
View ArticleThe first GCT camera for the Cherenkov Telescope Array
The Gamma Cherenkov Telescope (GCT) is proposed to be part of the Small Size Telescope (SST) array of the Cherenkov Telescope Array (CTA). The GCT dual-mirror optical design allows the use of a compact...
View ArticleSelf-Gravitational Force Calculation of Second Order Accuracy for...
Investigating the evolution of disk galaxies and the dynamics of proto-stellar disks can involve the use of both a hydrodynamical and a Poisson solver. These systems are usually approximated as...
View ArticleA Prototype Data Format for the Cherenkov Telescope Array: Regions Of...
The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is...
View ArticleA Prototype for the Cherenkov Telescope Array Pipelines Framework: Modular...
The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is...
View ArticleCoronagraphic demonstration experiment using aluminum mirrors for space...
For future space infrared astronomical coronagraphy, we perform experimental studies on the application of aluminum mirrors to a coronagraph. Cooled reflective optics is required for broad-band...
View ArticleDevelopments of a new mirror technology for the Cherenkov Telescope Array
The Cherenkov Telescope Array (CTA) observatory for very high-energy gamma rays will consist of about a hundred of imaging atmospheric Cherenkov telescopes (IACTs) of different size with a total...
View ArticleDevelopment of Slow Control Boards for the Large Size Telescopes of the...
The camera of the Large Size Telescopes (LSTs) of the Cherenkov Telescope Array (CTA) consists of 265 photosensor modules, each of them containing 7 photomultiplier tubes (PMTs), a slow control board...
View ArticleStatus of the Medium-Sized Telescope for the Cherenkov Telescope Array
The Cherenkov Telescope Array (CTA), is an international project for the next generation ground- based observatory for gamma-ray astronomy in the energy range from 20 GeV to 300 TeV. The sensitivity in...
View ArticleExoplanet science with the LBTI: instrument status and plans
The Large Binocular Telescope Interferometer (LBTI) is a strategic instrument of the LBT designed for high-sensitivity, high-contrast, and high-resolution infrared (1.5-13 $\mu$m) imaging of nearby...
View ArticleSimulations of a Distributed Intelligent Array Trigger for the Cherenkov...
It is anticipated that the forthcoming Cherenkov Telescope Array (CTA) will include a number of medium-sized telescopes that are constructed using a dual-mirror Schwarzschild-Couder configuration....
View ArticleA new time-dependent likelihood technique for detection of gamma-ray bursts...
In imaging atmospheric Cherenkov telescope (IACT) arrays, the standard method of statistically inferring the existence of a source is based on the maximum likelihood method of Li&Ma (1983). We...
View ArticleThe LOFAR Multifrequency Snapshot Sky Survey (MSSS) I. Survey description and...
We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky LOFAR imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey....
View ArticleA Prototype for the Cherenkov Telescope Array Pipelines Framework: Modular...
The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is...
View ArticleExploring 0.1-10$\,$eV axions with a new helioscope concept [Replacement]
We explore the possibility to develop a new axion helioscope type, sensitive to the higher axion mass region favored by axion models. We propose to use a low background large volume TPC immersed in an...
View ArticleA new hydrodynamics code for Type Ia Supernovae [Replacement]
A two-dimensional hydrodynamics code for Type Ia supernovae (SNIa) simulations is presented. The code includes a fifth-order shock-capturing scheme WENO, detailed nuclear reaction network,...
View ArticleCosmogenic activation of xenon and copper [Replacement]
Rare event search experiments using liquid xenon as target and detection medium require ultra-low background levels to fully exploit their physics potential. Cosmic ray induced activation of the...
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