Results 11 to 20 of about 74,904 (235)
Gamma-Ray Line Astronomy [PDF]
Gamma-ray lines from radioactive isotopes, ejected into interstellar space by cosmic nucleosynthesis events, are observed with new space telescopes. The Compton Observatory had provided a sky survey for the isotopes 56Co, 22Na, 44Ti, and 26Al, detecting ...
Boehm +39 more
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Gamma ray astronomy with IceCube [PDF]
We demonstrate that the South Pole kilometer-scale neutrino observatory IceCube can detect multi-TeV gamma rays continuously over a large fraction of the southern sky. While not as sensitive as pointing atmospheric Cerenkov telescopes, IceCube can roughly match the sensitivity of Milagro.
Halzen, Francis, Hooper, Dan
openaire +2 more sources
Cosmic gamma rays, the physical processes responsible for their production and the astrophysical sites from which they were seen are reported. The bulk of the observed gamma ray emission is in the photon energy range from about 0.1 MeV to 1 GeV, where observations are carried out above the atmosphere.
R Ramaty, R E Lingenfelter
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Gamma Ray Astronomy with ARGO-YBJ [PDF]
ARGO‐YBJ is the first EAS detector combining a very high mountain altitude (4300 m a.s.1.) to a “full coverage” detection surface. These features allow ARGO‐YBJ to work with an energy threshold as low as a few hundreds GeV. The high duty cycle and the large field of view (∼2 sr) make ARGO‐YBJ suitable to monitor the gamma ray sky, searching for unknown
Aielli G +110 more
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The MEGA Advanced Compton Telescope Project [PDF]
The goal of the Medium Energy Gamma-ray Astronomy (MEGA) telescope is to improve sensitivity at medium gamma-ray energies (0.4-50 MeV) by at least an order of magnitude over that of COMPTEL. This will be achieved with a new compact design that allows for
A Zoglauer +9 more
core +2 more sources
Status of the VERITAS Observatory [PDF]
VERITAS, an Imaging Atmospheric Cherenkov Telescope (IACT) system for gammma-ray astronomy in the GeV-TeV range, has recently completed its first season of observations with a full array of four telescopes.
A. Cannon +84 more
core +3 more sources
Invited review, published in Research in Astronomy and Astrophysics (see http://www.raa-journal.org/raa/index.php/raa/article/view/251)
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GammaLearn - first steps to apply Deep Learning to the Cherenkov Telescope Array data [PDF]
The Cherenkov Telescope Array (CTA) is the next generation of ground-based gamma-ray telescopes for gamma-ray astronomy. Two arrays will be deployed composed of 19 telescopes in the Northern hemisphere and 99 telescopes in the Southern hemisphere. Due to
Vuillaume Thomas +6 more
doaj +1 more source
Astrophysics with High Energy Gamma Rays [PDF]
Recent results, the present status and the perspectives of high energy gamma-ray astronomy are described. Since the satellite observations by the Compton Gamma Ray Observatory and its precursor missions have been reviewed extensively, emphasis is on the ...
Völk, Heinrich J.
core +3 more sources
A Stochastic Approach to Reconstruct Gamma-Ray-burst Light Curves
Gamma-ray bursts (GRBs), as they are observed at high redshift ( z = 9.4), are vital to cosmological studies and investigating Population III stars. To tackle these studies, we need correlations among relevant GRB variables with the requirement of small ...
Maria G. Dainotti +6 more
doaj +1 more source

