Results 51 to 60 of about 243,906 (313)

Eventdisplay: An Analysis and Reconstruction Package for Ground-based Gamma-ray Astronomy [PDF]

, 2017
Eventdisplay is a software package for the analysis and reconstruction of data and Monte Carlo events from ground-based gamma-ray observatories such as VERITAS and CTA.
G. Maier, J. Holder
semanticscholar   +1 more source

Highest Energy Cosmic Rays

, 2004
We review the current state and future prospect of ultra high energy cosmic ray physics and the relationship between cosmic rays and gamma-ray astrophysics.Comment: 12 pages, in the proceedings of the Gamma 2004 Symposium on High-Energy Gamma-Ray ...
Olinto, A. V.
core   +2 more sources

High energy processes in microquasars [PDF]

, 2005
Microquasars are X-ray binary stars with the capability to generate relativisticjets. It is expected that microquasars are gamma-ray sources, because of the analogy with quasars and because the theoretical models predict emission at such energy range. In
Paredes, Josep M.
core   +2 more sources

Investigating Time Variability of X-Ray Absorption in Swift GRBs

The Astrophysical Journal, 2023
The existence of excess absorption in the X-ray spectra of GRBs is well known, but the primary location of the absorbing material is still uncertain. To gain more knowledge about this, we have performed a time-resolved analysis of the X-ray spectra of ...
Vlasta Valan, Josefin Larsson, Björn Ahlgren   +2 more
doaj   +1 more source

Searching for Short-Timescale Transients in Gamma-ray Telescope Data

Galaxies, 2023
Astrophysical sources show variability in their emissions over a range of timescales, with transients such as fast radio bursts (FRBs) and magnetar giant flares (MGFs) showing variability on timescales as short as a few milliseconds.
Annanay Jaitly, Dmitriy Kostunin, Karin Cescon   +2 more
doaj   +1 more source

INTEGRAL and Nuclear Astrophysics [PDF]

, 2001
We briefly review the fundamentals of nuclear gamma-ray line astronomy (radioactive astronomy), focusing on its role to decipher the intimate physics of supernovae, either immediatly (via $^{56}Co)$ or after a time delay (via $^{44}Ti$).
Casse, Michel, Paul, Jacques, Vangioni-Flam, Elisabeth   +2 more
core   +2 more sources

Open high-level data formats and software for gamma-ray astronomy [PDF]

, 2016
In gamma-ray astronomy, a variety of data formats and proprietary software have been traditionally used, often developed for one specific mission or experiment.
C. Deil, C. Boisson, K. Kosack, J. Perkins, J. King, P. Eger, M. Mayer, M. Wood, V. Zabalza, J. Knodlseder, T. Hassan, L. Mohrmann, A. Ziegler, B. Khélifi, D. Dorner, G. Maier, G. Pedaletti, J. Rosado, J. Contreras, J. Lefaucheur, K. Brugge, M. Servillat, R. Terrier, R. Walter, S. Lombardi   +24 more
semanticscholar   +1 more source

Massive protostars as gamma-ray sources [PDF]

, 2009
Massive protostars have associated bipolar outflows with velocities of hundreds of km s$^{-1}$. Such outflows can produce strong shocks when interact with the ambient medium leading to regions of non-thermal radio emission.
V. Bosch-Ramon, G. E. Romero, A. T. Araudo, J. M. Paredes, Araudo, Araudo, Banerjee, Banerjee, Bell, Blondin, Blumenthal, Bonnell, Bordas, Crusius-Watzel, Crutcher, Dogiel, Drury, Drury, Fermi, Garay, Garay, Garay, Henriksen, Kaiser, Kelner, Lucek, Martí, Martí, McKee, Morrison, Myasnikov, Plambeck, Pravdo, Reville, Rodríguez, Rodríguez, Romero, Seaton, Shu   +38 more
core   +6 more sources

Identification of High Energy Gamma Particles From the Cherenkov Gamma Telescope Data Using a Deep Learning Approach

IEEE Access
Atmospheric Cherenkov telescopes have enabled recent breakthroughs in gamma-ray astronomy, enabling the study of high-energy gamma particles in over 90 galactic and extragalactic regions.
K. Karthick, S. Akila Agnes, S. Sendil Kumar, Sultan Alfarhood, Mejdl Safran   +4 more
doaj   +1 more source

Unique Performance Considerations for Printable Organic Semiconductor and Perovskite Radiation Detectors: Toward Consensus on Best Practice Evaluation

Advanced Functional Materials, EarlyView.
A lack of standard approaches for testing and reporting the performance of metal halide perovskites and organic semiconductor radiation detectors has resulted in inconsistent interpretation of performance parameters, impeding progress in the field. This Perspective recommends key metrics and experimental details, which are suggested for reporting in ...
Jessie A. Posar, Matthew Large, Andrea Ciavatti, Laura Basiricò, Beatrice Fraboni, Paul J. Sellin, Attila J. Mozer, Marco Petasecca, Matthew J. Griffith   +8 more
wiley   +1 more source