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Related papers: The Gravitational Wave AfterglowPy Analysis (GWAPA…

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Gamma-ray bursts (GRBs) associated with gravitational wave events are, and will likely continue to be, viewed at a larger inclination than GRBs without gravitational wave detections. As demonstrated by the afterglow of GW170817, this…

High Energy Astrophysical Phenomena · Physics 2020-07-01 Geoffrey Ryan , Hendrik van Eerten , Luigi Piro , Eleonora Troja

In this paper, we present PyBlastAfterglow, a modular C++ code with a Python interface to model light curves and sky maps of gamma-ray burst afterglows. The code is open-source, modular, and sufficiently fast to perform parameter grid…

High Energy Astrophysical Phenomena · Physics 2024-09-26 Vsevolod Nedora , Ludovica Crosato Menegazzi , Enrico Peretti , Tim Dietrich , Masaru Shibata

Advances in our numerical and theoretical understanding of gamma-ray burst afterglow processes allow us to construct models capable of dealing with complex relativistic jet dynamics and non-thermal emission, that can be compared directly to…

High Energy Astrophysical Phenomena · Physics 2015-09-29 Hendrik van Eerten

The afterglow emission from gamma-ray bursts (GRBs) is a valuable source of information to understand the physics of these energetic explosions. The blast wave model has become the standard to describe the evolution of the afterglow…

High Energy Astrophysical Phenomena · Physics 2020-08-20 M. D. Aksulu , R. A. M. J. Wijers , H. J. van Eerten , A. J. van der Horst

Gamma-ray burst (GRB) afterglows are emissions from ultrarelativistic blast waves produced by a narrow jet interacting with surrounding matter. Since the first multimessenger observation of a neutron star merger, hydrodynamic modeling of…

High Energy Astrophysical Phenomena · Physics 2024-07-12 Hao Wang , Ranadeep G. Dastidar , Dimitrios Giannios , Paul C. Duffell

The Laser Interferometer Gravitational Wave Observatory (LIGO) and Virgo Collaboration's Observing Run 3 has demanded the development of widely-applicable tools for gravitational wave follow-up. These tools must address the main challenges…

Instrumentation and Methods for Astrophysics · Physics 2020-02-05 L. Salmon , L. Hanlon , R. M. Jeffrey , A. Martin-Carrillo

We present a powerful new tool for fitting broadband gamma-ray burst afterglow data, which can be used to determine the burst explosion parameters and the synchrotron radiation parameters. By making use of scale invariance between…

High Energy Astrophysical Phenomena · Physics 2015-05-30 H. J. van Eerten , A. J. van der Horst , A. I. MacFadyen

Numerical studies of gamma-ray burst afterglow jets reveal significant qualitative differences with simplified analytical models. We present an on-line library of synthetic afterglow light curves and broadband spectra for use in…

High Energy Astrophysical Phenomena · Physics 2015-05-27 H. J. van Eerten , A. I. MacFadyen , W. Zhang

Gamma-ray bursts (GRBs) and double neutron-star merger gravitational wave events are followed by afterglows that shine from X-rays to radio, and these broadband transients are generally interpreted using analytical models. Such models are…

High Energy Astrophysical Phenomena · Physics 2023-07-19 Oliver M. Boersma , Joeri van Leeuwen

The arrival of gravitational wave astronomy and a growing number of time-domain focused observatories are set to lead to a increasing number of detections of short gamma-ray bursts (GRBs) launched with a moderate inclination to Earth. Being…

High Energy Astrophysical Phenomena · Physics 2023-10-05 Geoffrey Ryan , Hendrik van Eerten , Eleonora Troja , Luigi Piro , Brendan O'Connor , Roberto Ricci

Gamma-ray bursts (GRBs) are fascinating extragalactic objects. They represent a fantastic opportunity to investigate unique properties not exhibited in other sources. Multi-wavelength afterglow observations from some short- and…

Gamma-ray bursts (GRBs) are the most luminous astrophysical transients, known to be associated with core collapse of massive stars or mergers of two compact objects such as two neutron stars. They are followed by multi-wavelength afterglow…

High Energy Astrophysical Phenomena · Physics 2025-10-01 Yihan Wang , Connery Chen , Bing Zhang

Context. As the importance of Gravitational Wave (GW) Astrophysics increases rapidly, astronomers in different fields and with different backgrounds can have the need to get a quick idea of which GW source populations can be detected by…

The exact profile of a gamma-ray burst (GRB) afterglow image on the plane of the sky can provide important constraints on the underlying physics. In particular, it can test whether the magnetic field in the emitting shocked external medium…

Astrophysics · Physics 2009-11-13 Jonathan Granot

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

{\it Fermi}/GBM (Gamma-ray Burst Monitor) and INTEGRAL (the International Gamma-ray Astrophysics Laboratory) reported the detection of the $\gamma$-ray counterpart, GRB 170817A, to the LIGO (Light Interferometer Gravitational-wave…

High Energy Astrophysical Phenomena · Physics 2018-05-16 Gavin P Lamb , Shiho Kobayashi

Radio observations of gamma-ray burst (GRB) afterglows are essential for our understanding of the physics of relativistic blast waves, as they enable us to follow the evolution of GRB explosions much longer than the afterglows in any other…

Radio observations of gamma-ray burst (GRB) afterglows are essential for our understanding of the physics of relativistic blast waves, as they enable us to follow the evolution of GRB explosions much longer than the afterglows in any other…

Gamma-ray bursts (GRBs), associated with the collapse of massive stars or the collisions of compact objects, are the most luminous events in our universe. However, there is still much to learn about the nature of the relativistic jets…

High Energy Astrophysical Phenomena · Physics 2021-08-10 Celia R. Tandon , Nicole M. Lloyd-Ronning

Extended, fading emissions in multi-wavelength are observed following Gamma-ray bursts (GRBs). Recent broad-band observational campaigns led by the Swift Observatory reveal rich features of these GRB afterglows. Here we review the latest…

Astrophysics · Physics 2009-11-11 Bing Zhang
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