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Related papers: Mining Gamma-Ray Burst Data

200 papers

Gamma rays reveal extreme, nonthermal conditions in the Universe. The Fermi Gamma-ray Space Telescope has been exploring the gamma-ray sky for more than four years, enabling a search for powerful transients like gamma-ray bursts, solar…

High Energy Astrophysical Phenomena · Physics 2015-06-16 D. J. Thompson

The use of Gamma Ray Bursts as ``standard candles'' has been made possible by the recent discovery of a very tight correlation between their rest frame intrinsic properties. This correlation relates the GRB prompt emission peak spectral…

Astrophysics · Physics 2009-11-13 G. Ghirlanda , G. Ghisellini , L. Nava , C. Firmani

The data analysis problem of coherently searching for unmodeled gravitational-wave bursts in the data generated by a global network of gravitational-wave observatories has been at the center of research for almost two decades. As data from…

General Relativity and Quantum Cosmology · Physics 2010-04-21 Antony C. Searle , Patrick J. Sutton , Massimo Tinto

The Fermi GBM Catalog has been recently published. Previous classification analyses of the BATSE, RHESSI, BeppoSAX, and Swift databases found three types of gamma-ray bursts. Now we analyzed the GBM catalog to classify the GRBs. PCA and…

High Energy Astrophysical Phenomena · Physics 2015-06-03 I. Horvath , L. G. Balázs , J. Hakkila , Z. Bagoly , R. D. Preece

The successful launch and operation of NASA's Swift Gamma-Ray Burst Explorer open a new era for the multi-wavelength study of the very early afterglow phase of gamma-ray bursts (GRBs). GRB early afterglow information is essential to explore…

Astrophysics · Physics 2009-11-13 Bing Zhang

Long-duration gamma-ray bursts are the manifestations of massive stellar death. Due to the immense energy release they are detectable from most of the observable universe. In this way they allow us to study the deaths of single (or binary)…

Astrophysics · Physics 2008-11-25 J. Fynbo , D. Malesani

We apply a machine learning algorithm, the artificial neural network, to the search for gravitational-wave signals associated with short gamma-ray bursts. The multi-dimensional samples consisting of data corresponding to the statistical and…

Instrumentation and Methods for Astrophysics · Physics 2015-11-26 Kyungmin Kim , Ian W. Harry , Kari A. Hodge , Young-Min Kim , Chang-Hwan Lee , Hyun Kyu Lee , John J. Oh , Sang Hoon Oh , Edwin J. Son

Gamma-ray bursts (GRBs) are cosmologically distributed, very energetic and very transient sources detected in the gamma-ray domain. The identification of their x-ray and optical afterglows allowed so far the redshift measurement of 150…

Astrophysics · Physics 2009-11-13 Sandra Savaglio

After presenting a short history of gamma-ray burst (GRB) studies, we discuss the current constraints on GRB models which follows from astronomical observations. We concentrate on the energetics of the GRBs with known redshifts and the…

Astrophysics · Physics 2007-05-23 K. A. Postnov

Recently, both theoretical arguments and observational evidence suggested that a small fraction of fast radio bursts (FRBs) could be associated with gamma-ray bursts (GRBs). If such FRB/GRB association systems are commonly detected in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 He Gao , Zhuo Li , Bing Zhang

The classification of Gamma-Ray Bursts has long been an unresolved problem. Early long and short burst classification based on duration is not convincing due to the significant overlap in duration plot, which leads to different views on the…

High Energy Astrophysical Phenomena · Physics 2024-12-10 Jia-Ming Chen , Ke-Rui Zhu , Zhao-Yang Peng , Li Zhang

The properties of the cosmic Gamma-ray Bursts (GRBs) are briefly summarized. A detailed bibliography is given with titles of the papers. Two fundamental theoretical problems are pointed out: the problem of the energy source, and the problem…

Astrophysics · Physics 2015-06-24 S. Blinnikov

We employ a data-driven approach to investigate the rigidity and spatial dependence of the diffusion of cosmic rays in the turbulent magnetic field of the Milky Way. Our analysis combines data sets from the experiments Voyager, AMS-02,…

High Energy Astrophysical Phenomena · Physics 2024-04-24 Mattia Di Mauro , Michael Korsmeier , Alessandro Cuoco

Gamma-ray bursts (GRBs) are cosmological explosions which carry valuable information from the distant past of the expanding universe. One of the greatest discoveries in modern cosmology is the finding of the accelerated expansion of the…

High Energy Astrophysical Phenomena · Physics 2016-06-15 Rupal Basak , A. R. Rao

In this review we show that the space experiment with gamma-ray detector with sensitivity 2 orders of magnitude higher than existing ones will make it possible to discover up to a thousand neutron star mergers, even at those moments when…

High Energy Astrophysical Phenomena · Physics 2024-08-27 Vladimir Lipunov , Sergey Svertilov , Vladislav Topolev

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

A multivariate analysis of gamma-ray burst (GRB) bulk properties is presented to discriminate between distinct classes of GRBs. Several variables representing burst duration, fluence and spectral hardness are considered. Two multivariate…

Gamma-ray burst sources are distributed with a high level of isotropy, which is compatible with either a cosmological origin or an extended Galactic halo origin. The brightness distribution is another indicator used to characterize the…

High Energy Astrophysical Phenomena · Physics 2015-05-26 I. Horvath

As the highest-energy photons, gamma rays have an inherent interest to astrophysicists and particle physicists studying high-energy, nonthermal processes. Gamma-ray telescopes complement those at other wavelengths, especially radio,…

Astrophysics · Physics 2009-11-10 David J. Thompson

Gamma-ray bursts (GRBs) are usually classified into long/short categories according to their durations, but controversy still exists in this aspect. Here we re-examine the long/short classification of GRBs and further compare the…

High Energy Astrophysical Phenomena · Physics 2024-12-02 Juan-Juan Luo , Liang Zhang , Li-Yun Zhang , Yong-Feng Huang , Jia-Quan Lin , Jun-Wang Lu , Xiao-Fei Dong