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相关论文: Methods for statistical detection of GRBs in the c…

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Gamma-ray bursts (GRBs) are among the most luminous and rapidly evolving transients in the Universe. While space-based instruments have extended GRB observations up to energies of $\sim$100 GeV, the detection of very-high-energy (VHE;…

Using the generic hydrodynamic model of Gamma-Ray Burst (GRB) afterglows, we calculate the radio afterglow light curves of low luminosity, high luminosity, failed and standard GRBs in different observational bands of FAST's energy window.…

高能天体物理现象 · 物理学 2015-06-18 Zhi-Bin Zhang , Si-Wei Kong , Yong-Feng Huang , Di Li , Long-Biao Li

We discuss the prospects for the detection of gamma-ray bursts (GRBs) by the Cherenkov Telescope Array (CTA), the next generation, ground-based facility of imaging atmospheric Cherenkov telescopes (IACTs) operating above a few tens of GeV.…

高能天体物理现象 · 物理学 2015-06-03 Jun Kakuwa , Kohta Murase , Kenji Toma , Susumu Inoue , Ryo Yamazaki , Kunihito Ioka

The recent detections of the afterglow phase of long gamma-ray bursts (lGRBs) at very high energies (VHE, >100 GeV) mark a significant advance in astrophysics of transient phenomena, offering deeper insights into the acceleration…

Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient $\gamma$-ray emission. The Fermi satellite detected an increasing number of these events with its dedicated Gamma-ray Burst Monitor (GBM),…

天体物理仪器与方法 · 物理学 2021-09-29 G. La Mura , U. Barres de Almeida , R. Conceição , A. De Angelis , F. Longo , M. Pimenta , E. Prandini , E. Ruiz-Velasco , B. Tomé

Gamma-ray bursts (GRBs) are short and intense emission of soft gamma-rays, which have fascinated astronomers and astrophysicists since their unexpected discovery in 1960s. The X-ray/optical/radio afterglow observations confirm the…

天体物理学 · 物理学 2009-05-07 Yi-Zhong Fan , Tsvi Piran

Gamma-ray bursts are promising tools for tracing the formation of high redshift stars, including the first generation. At very high redshifts the reverse shock emission lasts longer in the observer frame, and its importance for detection…

天体物理学 · 物理学 2009-11-10 L. J. Gou , P. Meszaros , T. Abel , B. Zhang

The first Gamma-Ray Burst (GRB) catalog presented by the Fermi-Large Area Telescope (LAT) collaboration includes 28 GRBs, detected above 100 MeV over the first three years since the launch of the Fermi mission. However, more than 100 GRBs…

高能天体物理现象 · 物理学 2015-09-07 Elisabetta Bissaldi , Tristano Di Girolamo , Francesco Longo , Piero Vallania , Carlo Vigorito

Recent detections of gamma-ray bursts (GRBs) at TeV energies opened new prospects for investigating radiative environments and particle acceleration mechanisms under extreme conditions. In this paper, we study the afterglows of these GRBs -…

高能天体物理现象 · 物理学 2025-11-27 L. Foffano , M. Tavani

High-energy gamma-ray (>GeV) emission of gamma-ray bursts (GRBs) is very important in probing the jet evolution and particle acceleration of GRBs. The observations of high-energy photons are limited except for a few very bright GRBs,…

高能天体物理现象 · 物理学 2026-03-11 Shi Chen , Qiang Yuan , Yi-Qing Guo , Ben-Zhong Dai , He Gao , Bing Zhang

Gamma-ray bursts produce afterglows that can be observed across the electromagnetic spectrum and can provide insight into the nature of their progenitors. While most telescopes that observe afterglows are designed to rapidly react to…

We predict the rate at which Gamma-Ray Burst (GRB) afterglows should be detected in supernova searches as a function of limiting flux. Although GRB afterglows are rarer than supernovae, they are detectable at greater distances because of…

天体物理学 · 物理学 2009-10-30 Eric Woods , Abraham Loeb

In many theoretical models of gamma-ray bursts (GRBs) and their afterglows, the emission of photons above 100 GeV is predicted. The Large Area Telescope (LAT) on-board the Fermi Gamma-ray Space Telescope has detected delayed, high-energy…

高能天体物理现象 · 物理学 2019-08-13 Taylor Aune

It has been established that Gamma-Ray Bursts (GRB) can produce Very High Energy radiation (E > 100 GeV), opening a new window on the investigation of particle acceleration and radiation properties in the most energetic domain. We expect…

天体物理仪器与方法 · 物理学 2021-08-03 G. La Mura

Gamma-ray Bursts (GRBs) are among the potential extragalactic sources of very-high-energy (VHE) gamma-rays. We discuss the prospects of detecting VHE gamma-rays with current ground-based Cherenkov instruments during the afterglow phase.…

天体物理学 · 物理学 2010-11-11 P. H. Tam , R. R. Xue , S. J. Wagner , B. Behera , Y. Z. Fan , D. M. Wei

Gamma-ray bursts (GRBs) at high redshifts are expected to be gravitationally lensed by objects of different mass scales. Besides a single recent claim, no lensed GRB has been detected so far by using the gamma-ray data only. In this paper,…

Detection of delayed sub-TeV photons from Gamma-Ray Bursts (GRBs) by MAGIC and HESS has proven the promising future of GRB afterglow studies with the Cherenkov Telescope Array (CTA), the next-generation gamma-ray observatory. With the…

高能天体物理现象 · 物理学 2023-05-22 Tanima Mondal , Suman Pramanick , Lekshmi Resmi , Debanjan Bose

Very few detections have been made of optical flashes contemporaneous with prompt high-energy emission from a gamma-ray burst (GRB). In this work, we present and analyze light curves of GRB-associated optical flashes and afterglows from the…

高能天体物理现象 · 物理学 2024-06-28 Rahul Jayaraman , Michael Fausnaugh , George R. Ricker , Roland Vanderspek

We study high-energy gamma-ray afterglow emission from gamma-ray bursts (GRBs) in the prior emission model, which is proposed to explain the plateau phase of the X-ray afterglow. This model predicts the high-energy gamma-ray emission when…

高能天体物理现象 · 物理学 2015-04-23 Kohta Murase , Kenji Toma , Ryo Yamazaki , Shigehiro Nagataki , Kunihito Ioka

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 present a new statistical approach, also based…

天体物理仪器与方法 · 物理学 2019-08-13 Ori M. Weiner
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