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The successful discovery of X-ray, optical and radio afterglows of GRB has made possible the identification of host galaxies at cosmological distances. The energy release inferred in these outbursts place them among the most energetic and…

天体物理学 · 物理学 2009-10-31 P. Meszaros

Short gamma-ray bursts (SGRBs) are thought to be primarily associated with binary neutron star (BNS) mergers. The SGRB population can therefore be scrutinized to look for signatures of the delay time between the formation of the progenitor…

高能天体物理现象 · 物理学 2026-01-08 Matteo Pracchia , Om Sharan Salafia

The X-ray afterglow of short hard bursts (SHBs) of gamma rays provides compelling evidence that SHBs are produced by highly relativistic jets launched in the birth of rotationally powered millisecond pulsars in merger of neutron stars…

高能天体物理现象 · 物理学 2019-10-30 Shlomo Dado , Arnon Dar

The study of short-duration gamma-ray bursts (GRBs) has undergone a revolution in recent years thanks to the discovery of the first afterglows and host galaxies in May 2005. In this review we summarize our current knowledge of the galactic…

高能天体物理现象 · 物理学 2009-12-22 Edo Berger , Wen-fai Fong

Bimodal distribution of the observed duration of gamma-ray bursts (GRBs) has led to two distinct progenitors; compact star mergers, either two neutron stars (NSs) or a NS and a black hole (BH), for short GRBs (SGRBs), and so-called…

高能天体物理现象 · 物理学 2023-05-25 Petrosian Vah/'e , Maria Giovanna Dainotti

We present a detailed assessment of the dynamical pathways leading to the coalescence of compact objects in Globular Clusters (GCs) and Short Gamma-Ray Burst (SGRB) production. We consider primordial binaries, dynamically formed binaries…

高能天体物理现象 · 物理学 2014-11-20 William H. Lee , Enrico Ramirez-Ruiz , Glenn van de Ven

The detection of GW170817, it's extensive multi-wavelength follow-up campaign, and the large amount of theoretical development and interpretation that followed, have resulted in a significant step forward in the understanding of the binary…

高能天体物理现象 · 物理学 2020-11-20 Davide Lazzati

Long-duration gamma-ray bursts are thought to be associated with the core-collapse of massive, rapidly spinning stars and the formation of black holes. However, efficient angular momentum transport in stellar interiors, currently supported…

Extra-galactic X-ray absorption and optical extinction are often found in gamma-ray burst (GRB) afterglows and they could be tracers of both circumburst and host galaxy environments. By performing spectral analyses for spectral energy…

高能天体物理现象 · 物理学 2019-05-01 Kazuki Yoshida , Daisuke Yonetoku , Makoto Arimoto , Tatsuya Sawano , Yasuaki Kagawa

In this contribution we briefly introduce a mechanism for short gamma ray burst emission different from the usually assumed compact object binary merger progenitor model. It is based on the energy release in the central regions of neutron…

高能天体物理现象 · 物理学 2015-06-12 M. Angeles Perez-Garcia , Frederic Daigne , Joseph Silk

GRB data accumulated over the years have shown that the distribution of their time duration is bimodal. While there is some evidence that long bursts are associated with star-forming regions, nothing is known regarding the class of short…

天体物理学 · 物理学 2009-11-07 Rosalba Perna , Krzysztof Belczynski

Short gamma-ray bursts are believed to originate from the merger of two compact objects. If this scenario is correct, these bursts will be accompanied by the emission of strong gravitational waves, detectable by current or planned GW…

高能天体物理现象 · 物理学 2015-05-20 Alexander Dietz

Short duration Gamma-Ray Bursts are thought to originate from the coalescence of neutron stars in binary systems. They are detected as a brief ($<$ 2s), intense flash of gamma-ray radiation followed by a weaker, rapidly decreasing…

高能天体物理现象 · 物理学 2016-06-10 K. Siellez , M. Boer , B. Gendre , T. Regimbau

Compact binary mergers are the strongest candidates for the progenitors of Short Gamma Ray Bursts (SGRBs). If a gravitational wave (GW) signal from the compact binary merger is observed in association with a SGRB, such a synergy can help us…

高能天体物理现象 · 物理学 2014-12-16 K. G. Arun , Hideyuki Tagoshi , Chandra Kant Mishra , Archana Pai

[Abridged] The study of short-duration gamma-ray bursts (GRBs) experienced a complete revolution in recent years thanks to the discovery of the first afterglows and host galaxies in May 2005. These observations demonstrated that short GRBs…

高能天体物理现象 · 物理学 2015-03-17 E. Berger

Short Gamma Ray Bursts (SGRB) are believed to originate from the merger of two compact objects. If this scenario is correct, SGRB will be accompanied by the emission of strong gravitational waves, detectable by current or planned GW…

宇宙学与河外天体物理 · 物理学 2009-04-03 Alexander Dietz

The origin of Gamma-Ray Bursts is one of the most interesting puzzles in recent astronomy. During the last decade a consensus formed that long GRBs (LGRBs) arise from the collapse of massive stars and that short GRBs (SGRBs) have a…

高能天体物理现象 · 物理学 2015-06-05 Tsvi Piran , Omer Bromberg , Ehud Nakar , Re'em Sari

A gamma-ray burst (GRB) releases an amount of energy similar to that of a supernova explosion, which combined with its rapid variability suggests an origin related to neutron stars or black holes. Since these compact stellar remnants form…

天体物理学 · 物理学 2020-11-25 Ralph A. M. J. Wijers , Joshua S. Bloom , Jasjeet S. Bagla , Priyamvada Natarajan

Merging binary systems consisting of two collapsed objects are among the most promising sources of high frequency gravitational wave, GW, signals for ground based interferometers. Double neutron star or black hole/neutron star mergers are…

天体物理学 · 物理学 2015-05-13 Dafne Guetta , Luigi Stella

Despite a rich phenomenology, gamma-ray bursts (GRBs) are divided into two classes based on their duration and spectral hardness -- the long-soft and the short-hard bursts. The discovery of afterglow emission from long GRBs was a watershed…