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We present the data analysis pipeline, commissioning observations and initial results from the GREENBURST fast radio burst (FRB) detection system on the Robert C. Byrd Green Bank Telescope (GBT) previously described by Surnis et al. which…

The Swift Gamma-Ray Burst Explorer, launched on 2004 November 20, is a multiwavelength, autonomous, rapid-slewing observatory for gamma-ray burst (GRB) astronomy. On 2004 December 23, during the activation phase of the mission, the Swift…

Fast radio bursts (FRBs) are a recently discovered class of GHz-band, ms-duration, Jy-level-flux astrophysical transients, which origin is still a mystery. Exploring their gamma-ray counterpart is crucial for constraining their origin and…

High Energy Astrophysical Phenomena · Physics 2023-07-05 G. Principe , L. Di Venere , M. Negro , N. Di Lalla , N. Omodei , R. Di Tria , M. N. Mazziotta , F. Longo

Gamma-Ray Bursts (GRBs) are the most energetic electromagnetic explosions in the universe. Recently, the Large High Altitude Air Shower Observatory (LHAASO) reported the breakthrough observation of GRB 221009A with gamma-ray energies beyond…

High Energy Astrophysical Phenomena · Physics 2026-03-10 Yunlei Huang , Sujie Lin , Soebur Razzaque , Lili Yang , Zijie Huang

Gamma-ray bursts (GRBs) are bright flashes of electromagnetic radiation originating from the core collapse of massive stars or the merger of compact objects. It has long been theorized that GRBs can emit very high-energy (VHE) gamma rays…

High Energy Astrophysical Phenomena · Physics 2025-08-12 Halim Ashkar , Stephen Fegan , Aurélie Sangaré

FRB 180916.J0158+65 is one of the nearest, periodically repeating, and actively bursting fast radio burst (FRB) which has been localized to the outskirts of a spiral galaxy. In this work we study the FRB with the hard X-ray $14-195$ keV…

The study of high energy gamma-ray bursts can be performed by large area air shower arrays operating at very high mountain altitudes. ARGO-YBJ is a detector optimized to observe small size air showers, to be constructed at the Yangbajing…

Astrophysics · Physics 2012-08-27 YBJ Collaboration , presented by S. Vernetto

We report five new fast radio bursts (FRBs) discovered from the Galactic Plane Pulsar Snapshot (GPPS) survey by the Five-hundred-meter Aperture Spherical radio Telescope (FAST): FRB\,20210126, FRB\,20210208, FRB\,20210705, FRB\,20211005 and…

High Energy Astrophysical Phenomena · Physics 2023-10-12 D. J. Zhou , J. L. Han , W. C. Jing , P. F. Wang , C. Wang , T. Wang , W. -Y. Wang , R. Luo , J. Xu , R. X. Xu , H. G. Wang

Gravitationally lensed Gamma-ray bursts (GRBs) offer critical advantages over other lensed sources. They can be detected via continuously operating detectors covering most of the sky. They offer extremely high time resolution to determine…

High Energy Astrophysical Phenomena · Physics 2025-03-27 A. J. Levan , B. P. Gompertz , G. P. Smith , M. E. Ravasio , G. P. Lamb , N. R. Tanvir

Since GRBs fade rapidly, it is important to publish accurate, precise positions at early times. For Swift-detected bursts, the best promptly available position is most commonly the X-ray Telescope (XRT) position. We present two processes,…

Astrophysics · Physics 2010-03-19 P. A. Evans , A. P. Beardmore , M. R. Goad , J. P. Osborne , D. N. Burrows , N. Gehrels

The role of the Rossi X-ray Timing Explorer (RXTE) in the study of Gamma-ray Bursts (GRBs) is reviewed. Through April 2001, the All-Sky Monitor (ASM) and the Proportional Counter Array (PCA) instruments have detected 30 GRBs. In 16 cases,…

High-redshift Gamma-Ray Bursts (GRBs) beyond redshift $\sim6$ are potentially powerful tools to probe the distant early Universe. Their detections in large numbers and at truly high redshifts call for the next generation of high-energy…

A gamma-ray burst (GRB) optical photometric follow-up system at the Xinglong Observatory of National Astronomical Observatories of China (NAOC) has been constructed. It uses the 0.8-m Tsinghua-NAOC Telescope (TNT) and the 1-m EST telescope,…

High Energy Astrophysical Phenomena · Physics 2014-11-20 W. Zheng , J. Deng , M. Zhai , L. Xin , Y. Qiu , J. Wang , X. Lu , J. Wei , J. Hu

Fast Radio Bursts (FRBs) are short-duration, highly-energetic extragalactic radio transients with unclear origins & emission mechanisms. Despite extensive multi-wavelength searches, no credible X-ray or other prompt electromagnetic…

High Energy Astrophysical Phenomena · Physics 2025-03-18 G. Waratkar , M. Dixit , S. P. Tendulkar , V. Bhalerao , D. Bhattacharya , S. Vadawale

The soft gamma-ray telescope ECLAIRs with its Scientific Trigger Unit is in charge of detecting Gamma-Ray Bursts (GRBs) on-board the future SVOM satellite. Using the "scientific software model" (SSM), we study the efficiency of both…

Instrumentation and Methods for Astrophysics · Physics 2015-08-25 S. Antier , S. Schanne , B. Cordier , A. Gros , D. Götz , C. Lachaud

The "Pi of the Sky" prototype apparatus observed prompt optical emission from extremely bright GRB080319B since the very beginning of the gamma emission. The burst occurred at redshift z=0.937 and set the record of optical luminosity…

We present the SVOM (Space-based multi-band astronomical Variable Objects Monitor) mission that the Chinese National Space Agency and the French Space Agency have decided to jointly implement. SVOM has been designed to detect all known…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Jacques Paul , Jianyan Wei , Stephane Basa , Shuang-Nan Zhang

The RELEC scientific instrumentation onboard the Vernov spacecraft launched on July 8, 2014, included the DRGE gamma-ray and electron spectrometer. This instrument incorporates a set of scintillation phoswich detectors, including four…

We report the results of an extensive set of simulations exploring the sensitivity of the BlackCAT CubeSat to long-duration gamma-ray bursts (GRBs). BlackCAT is a NASA APRA-funded CubeSat mission for the detection and real-time…

The discovery of Fast Radio Bursts (FRBs) at cosmological distances has opened a powerful window on otherwise unseen matter in the Universe. In the 2020s, observations of $>10^{4}$ FRBs will assess the baryon contents and physical…

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