[PDF] Top 20 The environments of the most energetic Gamma Ray bursts
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The environments of the most energetic Gamma Ray bursts
... ISM environments are approx- imations of the true environment, in which a density with a perfect power-law dependence is ...wind/ISM environments is most likely not a significant contributor to the ... See full document
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Afterglow Observations of Fermi Large Area Telescope Gamma-ray Bursts and the Emerging Class of Hyper-energetic Events
... One way to circumvent this requirement is if the jets have ex- tremely high magnetization parameters (σ 1; Tchekhovskoy et al. 2009), as such Poynting-flux-dominated jets can be accel- erated to extreme Lorentz factors ... See full document
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Search for gravitational waves associated with gamma-ray bursts detected by the interplanetary network
... γ -ray bursts (GRBs) are amongst the most energetic electromagnetic astrophysical phenomena. They fall into two commonly accepted groups depending on their dura- tion and spectral hardness ... See full document
14
High Energy Atmospheric Physics: Ball Lightning
... Terrestrial Gamma-Ray Flashes were first detected by chance by NASA’s Earth-orbiting Compton gamma ray ...strong bursts of high energy x-rays and gamma rays, coming from ...from ... See full document
15
Hard x-ray polarimeter for gamma-ray bursts and solar flares
... Although polarimetry has become a powerful tool for astronomers throughout much of the electromagnetic spectrum, progress in hard X-ray and γ-ray polarimetry has been slow. Many models for hard X-ray ... See full document
13
Do Very Short Gamma Ray Bursts Originate from Primordial Black Holes? Review
... lactic angular distribution of BATSE VSGRB events. 3) V/Vmax distribution for BATSE VSGRB events indicates the local distance production. 4) VSGBBs have more energetic γ-ray burst than other GRBs with ... See full document
9
Toward an Understanding of the Progenitors of Gamma Ray Bursts
... Direct associations with other known astrophysical entities is a possible means toward distinguishing between GRB progenitor models. For massive stars, the energy release from the collapse of the core of the star, just ... See full document
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Gamma Ray Bursts Generated by Hyper Accreting Kerr Black Hole
... of energetic burst emission was identified as gravitational core collapse of super massive star or merged core of 2NSs or NS-BH [20] as engines for short gamma-ray bursts, which are very ... See full document
18
Neutrinos from Gamma Ray Bursts in the IceCube and ARA Era
... If the GRB jet comprises PeV protons, it should produce energetic neutrinos through photon-hadron interactions. The photons for this process can be supplied by the GRB gamma rays during its prompt phase, or ... See full document
8
Highlights of GeV gamma-ray astronomy
... high-energy gamma rays are primarily produced by high-energy particle interactions, the gamma- ray survey of the sky by the Fermi Gamma-ray Space Tele- scope offers a view of sites of ... See full document
6
Chandra and Hubble Space Telescope observations of dark gamma ray bursts and their host galaxies
... density environments, or if the spectral energy distribution is mea- sured during a non-standard phase such as a flare or ...the most frequent scenario, not least because the host galaxies of dark ... See full document
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Merger of Compact Binaries in the Context of Gravitational Waves and Short Lived Gamma Ray Bursts
... DOI: 10.4236/jmp.2018.912141 2249 Journal of Modern Physics of galaxy formation at the early universe. Several models have been proposed to explain the formation of massive black holes at the center of galaxies at ... See full document
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The Energetics and Environments of Swift Gamma Ray Bursts
... pre-Swift bursts occurred on time scales of several days (Zeh et ...detect bursts with wider opening angles than previous missions due to the increased sensitivity of the ...that most jet breaks, ... See full document
222
On the Gamma Ray Bursts Origin
... lactic gamma-ray angular anisotropy axis has following Galactic coordinates: longitude (exactly) l = 96˚, latitude 20˚, that corresponds in the second equatorial coordinate system: right ascension α = 271˚, ... See full document
11
Black Hole in Binary System is the Source of Cosmic Gamma Ray Bursts and Their Counterparts
... these bursts were excluded from the BATSE catalogue by reason of that their origin was associated with GRO J0422+32? The results of this paper, establishing the characteristic features of GRBs and their source, ... See full document
14
Astrophysics: Macroobject Shell Model
... “Gamma Ray Pulsars: Multiwavelength Observa- tions” presents the light curves from seven highest-confidence gamma-ray pulsars (in 2003) in five energy bands: radio, optical, soft X-ray ... See full document
15
Gamma ray bursts monitoring with the ARGO-YBJ experiment in scaler mode
... In this paper we have reported a study concerning the search for GeV photons from 94 GRBs carried out by the ARGO- YBJ air shower detector operated in scaler mode. In the search for GeV gamma rays in coincidence ... See full document
5
Search for long-lived gravitational-wave transients coincident with long gamma-ray bursts
... Gamma-ray bursts (GRBs) are divided into two classes [1,2]. Short GRBs, lasting & 2 s and characterized by hard spectra, are thought to originate primarily from the merger of binary neutron stars ... See full document
13
Burst Astrophysics
... The duration of ultra-long gamma-ray burst 111209A is longer than 7 hours, implying this event has a different kind of progenitor than normal long GRBs. According to the authors of paper [2]: The host ... See full document
11
Classical and Relativistic Models for Time Duration of Gamma Ray Bursts
... Most of the typical GRBs have two stages: the initial prompt emission phase observed in the gamma-ray band and the following afterglow phase with multibands’ emission. The observational time duration ... See full document
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