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Related papers: AGILE Mini-Calorimeter gamma-ray burst catalog

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In this paper (Paper II) we complete our discussion on the results of a comprehensive GEANT simulation of the scientific performance of the AGILE Gamma-Ray Imaging Detector (GRID), operating in the 30 MeV - 50 GeV energy range in an…

Astrophysics · Physics 2015-06-24 Veronica Cocco , Francesco Longo , Marco Tavani

We considered 18 solar flares observed between June 2010 and July 2012, in which high energy >100 MeV {\gamma}-emission was registered by the Large Area Telescope (LAT) aboard FermiGRO. We examined for these {\gamma}-events soft X-ray…

High Energy Astrophysical Phenomena · Physics 2015-09-02 Alexei Struminsky , Weiqun Gan

AGILE is an Italian Space Agency (ASI) space mission launched in 2007 to study X-ray and gamma-ray phenomena in the energy range from $\sim$20 keV to $\sim$10 GeV. The AGILE AntiCoincidence System (ACS) detects hard-X photons in the 50 -…

High Energy Astrophysical Phenomena · Physics 2024-04-03 N. Parmiggiani , A. Bulgarelli , A. Macaluso , A. Ursi , L. Castaldini , A. Di Piano , R. Falco , V. Fioretti , G. Panebianco , C. Pittori , M. Tavani

Ground based extensive air showers arrays can observe GRBs in the 1-1000 GeV energy range using the "single particle" techique. The sensitivity to detect a GRB as a function of the burst parameters and the detector characteristics are…

Astrophysics · Physics 2011-05-23 Silvia Vernetto

The number of Gamma-Ray Bursts (GRBs) detected at high energies ($\sim\,0.1-100$ GeV) has seen a rapid increase over the last decade, thanks to observations from the Fermi-Large Area Telescope. The improved statistics and quality of data…

High Energy Astrophysical Phenomena · Physics 2018-10-17 Lara Nava

The Cosmic Ray Energetics And Mass (CREAM) calorimeter is designed to measure the spectra of cosmic-ray particles over the energy range from ~10^11 eV to ~10^15 eV. Its first flight as part of the CREAM-I balloon-borne payload in Antarctica…

This is the second of a series of catalogs of gamma-ray bursts (GRBs) observed with the Fermi Gamma-ray Burst Monitor (GBM). It extends the first two-year catalog by two more years, resulting in an overall list of 953 GBM triggered GRBs.…

In July 2007, the blazar 3C 454.3 underwent a flare in the optical, reaching R~13 on July 19. Then the optical flux decreased by one magnitude, being R~14 when the source was detected by the gamma-ray satellite AGILE, that observed the…

Astrophysics · Physics 2009-11-13 G. Ghisellini , L. Foschini , F. Tavecchio , E. Pian

The Gamma-Ray Burst Monitor (GBM) will significantly augment the science return from the Fermi Observatory in the study of Gamma-Ray Bursts (GRBs). The primary objective of GBM is to extend the energy range over which bursts are observed…

The Milagro gamma-ray observatory employs a water Cherenkov detector to observe extensive air showers produced by high energy particles interacting in the Earth's atmosphere. Milagro has a wide field of view (2 sr) and high duty cycle (>…

Astrophysics · Physics 2019-08-14 P. M. Saz Parkinson

It is often stated that gamma-ray bursts (GRBs) have typical energies of several hundred keV. Is this a real feature of GRBs or is it due to an observational bias? We consider the possibility that bursts of a given bolometric luminosity…

Astrophysics · Physics 2009-10-28 Tsvi Piran , Ramesh Narayan

AGILE is a space mission launched in 2007 devoted to high-energy astrophysics. The AGILE Team is involved in the multi-messenger campaigns to send and receive science alerts about transient events in the shortest time possible. For this…

Instrumentation and Methods for Astrophysics · Physics 2023-02-14 Andrea Bulgarelli , Nicolò Parmiggiani , Valentina Fioretti , Leonardo Baroncelli , Antonio Addis , Ambra Di Piano , Carlotta Pittori , Marco Tavani

A systematic search for cosmic gamma-ray bursts (GRBs) and other short hard X-ray events in the archival data from the IBIS/ISGRI telescope of the INTEGRAL observatory over 2003-2018 has been carried out. Seven previously unknown GRBs have…

High Energy Astrophysical Phenomena · Physics 2020-05-26 I. V. Chelovekov , S. A. Grebenev , A. S. Pozanenko , P. Yu. Minaev

The ComPair gamma-ray telescope is a technology demonstrator for a future gamma-ray telescope called the All-sky Medium Energy Gamma-ray Observatory (AMEGO). The instrument is composed of four subsystems, a double-sided silicon strip…

We present the complete on-line catalogue of gamma-ray bursts observed by the two Wide Field Cameras on board \sax in the period 1996-2002. Our aim is to provide the community with the largest published data set of GRB's prompt emission…

Astrophysics · Physics 2009-11-13 L. Vetere , P. Soffitta , E. Massaro , P. Giommi , E. Costa

Gamma-ray bursts (GRBs) have been detected up to GeV energies and are predicted by many models to emit in the very high energy (VHE, > 100 GeV) regime too. Detection of such emission would allow us to constrain GRB models. Since its launch,…

Astrophysics · Physics 2007-10-15 Milagro Collaboration , P. M. Saz Parkinson , B. L. Dingus

An exceptionally intense gamma-ray burst, GRB030329, was detected and localized by the instruments on board the High Energy Transient Explorer satellite (HETE) at 11:37:14 UT on 29 March 2003. The burst consisted of two \~10s pulses of…

The multi-messenger observation of gamma-ray burst (GRB)\,170817A from the nearby binary neutron-star merger GW170817 demonstrated that low-energy $\gamma$-ray emission can be observed at relatively large angles from GRB jet axes. If such…

High Energy Astrophysical Phenomena · Physics 2019-03-20 Imre Bartos , Kyung-hwan Lee , Alessandra Corsi , Zsuzsa Marka , Szabolcs Marka

The cosmological revolution of 1997 has established that (at least long duration) gamma-ray bursts (GRB) are among the most energetic events in the Universe and occur at cosmological distances. The ECLAIRs micro-satellite, to be launched in…

The SuperAGILE (SA) instrument is a X-ray detector for As- trophysics measurements, part of the Italian AGILE satellite for X-Ray and Gamma-Ray Astronomy launched at 23/04/2007 from India. SuperAGILE is now studying the sky in the 18 - 60…

Instrumentation and Methods for Astrophysics · Physics 2009-11-30 F. Lazzarotto , E. Costa , E. Del Monte , I. Donnarumma , Y. Evangelista , M. Feroci , I. Lapshov , L. Pacciani , P. Soffitta