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Related papers: Gamma-Ray Bursts: The multiwavelength context in 2…

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Gamma-ray bursts are thought to be the outcome of a cataclysmic event leading to a relativistically expanding fireball, in which particles are accelerated at shocks and produce nonthermal radiation. We discuss the theoretical predictions of…

Astrophysics · Physics 2010-12-13 P. Meszaros

Models of gamma ray bursts are reviewed in the light of recent observations of afterglows which point towards a cosmological origin. The physics of fireball shock models is discussed, with attention to the type of light histories and…

Astrophysics · Physics 2009-10-30 P. Meszaros

We outline the science prospects for gamma-ray bursts (GRBs) with the Cherenkov Telescope Array (CTA), the next-generation ground-based gamma-ray observatory operating at energies above few tens of GeV. With its low energy threshold, large…

Whilst astronomy as a science is historically founded on observations at optical wavelengths, studying the Universe in other bands has yielded remarkable discoveries, from pulsars in the radio, signatures of the Big Bang at submm…

With the understanding that the enigmatic Gamma-Ray Burts (GRBs) are beamed explosions, and with the recently discovered ``Ghirlanda-relation'', the dream of using GRBs as cosmological yardsticks may have come a few steps closer to reality.…

Astrophysics · Physics 2009-07-29 E. Mortsell , J. Sollerman

Prepared for the 2014 ISAPP summer school, this review is focused on space-borne and balloon-borne cosmic-ray and gamma-ray detectors. It is meant to introduce the fundamental concepts necessary to understand the instrument performance…

Instrumentation and Methods for Astrophysics · Physics 2014-08-05 Luca Baldini

Gamma-ray binaries (GBs) have been object of intense studies in the last decade. From an observational perspective, GBs are phenomenologically similar to most X-ray binary systems in terms of their broad-band emission across the entire…

High Energy Astrophysical Phenomena · Physics 2019-01-14 Josep M. Paredes , Pol Bordas

With its rapid-response capability and multiwavelength complement of instruments, the Swift satellite has transformed our physical understanding of gamma-ray bursts (GRBs). Providing high-quality observations of hundreds of bursts, and…

High Energy Astrophysical Phenomena · Physics 2014-11-20 N. Gehrels , E. Ramirez-Ruiz , D. B. Fox

A state-of-the-art review is given on the search for counterparts of $\gamma$-ray bursts. Particular emphasis is put on the search for flaring counterparts, i.e. emission during or shortly after the gamma-ray emission. With BACODINE working…

Astrophysics · Physics 2009-10-28 J. Greiner

Gamma Ray Bursts are among the most powerful astrophysical sources and they release up to 1.e54 erg, if isotropic, in less than few hundred seconds. Their detection in the hard X/gamma ray band (at energies >10 keV) and out to very high…

Astrophysics · Physics 2017-08-23 G. Ghirlanda , G. Ghisellini

Gamma-ray line observations provide a versatile tool for studies of nucleosynthesis processes and supernova physics. In particular, the observation of radioactive species in the interstellar medium probes recent nucleosynthesis activity on…

Astrophysics · Physics 2009-12-30 Jurgen Knodlseder

Gamma-ray bursts are the most luminous and probably the most relativistic events in the universe. The last few years have seen a tremendous increase in our knowledge of these events, but the source of the bursts still remains elusive. I…

Astrophysics · Physics 2007-05-23 Stephan Rosswog

Gamma-ray bursts are violent events occurring randomly in the sky. In this review, I will present the fireball model, proposed to explain the phenomenon of gamma-ray bursts. This model has important consequences for the production and…

Astrophysics · Physics 2008-07-25 B. Gendre

I review the present status of ground-based gamma-ray astronomy, concentrating on the population of galactic TeV sources. A number of new telescope systems are now being completed, and promise to yield exciting new discoveries, expanding…

Astrophysics · Physics 2007-05-23 G. P. Rowell

The Fermi observatory, with its Gamma-Ray Bursts monitor (GBM) and Large Area Telescope (LAT), is observing Gamma-ray Bursts with unprecedented spectral coverage and sensitivity, from ~10 keV to > 300 GeV. In the first 3 years of the…

High Energy Astrophysical Phenomena · Physics 2013-05-27 Giacomo Vianello

The Southern Wide-field Gamma-ray Observatory (SWGO) Collaboration is currently engaged in design and prototyping work towards the realisation of this future gamma-ray facility. SWGO will complement CTA and the existing ground-particle…

Instrumentation and Methods for Astrophysics · Physics 2021-11-29 Jim Hinton

The discovery that the bolometric energetics (and/or peak luminosity) of Gamma Ray Bursts correlates with their spectral properties has allowed to standardize the burst energetics to such a degree to enable their use for constraining the…

Astrophysics · Physics 2007-06-01 Gabriele Ghisellini

This chapter outlines the general principles for the detection and characterisation of high-energy $\gamma$-ray photons in the energy range from MeV to GeV. Applications of these fundamental photon-matter interaction processes to the…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Thomas Siegert , Deirdre Horan , Gottfried Kanbach

Gamma-ray telescopes in space are bombarded by large fluxes of charged particles, photons and secondary neutrons. These particles and radiation pose a threat to the nominal operation of satellites and limit the detection sensitivity of…

Instrumentation and Methods for Astrophysics · Physics 2023-04-05 Vincent Tatischeff , Pietro Ubertini , Tsunefumi Mizuno , Lorenzo Natalucci