Gamma Ray Bursts
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 ...
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Methods and results of a search for gravitational waves associated with gamma-ray bursts using the GEO 600, LIGO, and Virgo detectors
... wave bursts in the frequency range 64 Hz – 1792 Hz associated with gamma-ray bursts (GRBs), using data from GEO 600 and one of the LIGO or Virgo ...Fermi Gamma-ray Burst Monitor ...
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Supermassive Black Holes, the Early Universe, and Gamma Ray Bursts
... supermassive black holes were discussed as well. Metal- lic enrichment and virial temperatures were found to play a major role in determining the behavior of gas dynamics in pre-galactic discs, and thus in the subsequent ...
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Gamma Ray Bursts Generated by Hyper Accreting Kerr Black Hole
... short gamma-ray bursts, which are very efficient at converting high photon energy into luminous radia- ...of gamma rays emission from rotating, strongly magnetized disk accreting BH formed in ...
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Exploring optically dark and dim gamma-ray bursts : instrumentation, observation and analysis
... 2700 gamma-ray bursts (Paˇciesas 2004), which was a large enough sample for astronomers to make conclusions about the nature of ...the bursts are divided into two populations based on their ...
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Polarimetry and Photometry of Gamma-Ray Bursts with RINGO2
... of Gamma-Ray Bursts (GRBs), these cosmic explosions remain puzzling, par- ticularly regarding the origin and role of magnetic fields in driving the explosion (Granot et ...
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The host galaxies and explosion sites of long duration gamma ray bursts: Hubble Space Telescope near infrared imaging
... We present the results of a Hubble Space Telescope WFC3/F160W SNAPSHOT sur- vey of the host galaxies of 39 long-duration gamma-ray bursts (LGRBs) at z < 3. We have non-detections of hosts at the ...
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Merger of Compact Binaries in the Context of Gravitational Waves and Short Lived Gamma Ray Bursts
... on gamma-ray burst ...as gamma-ray bursts, are discussed in terms of orbital dynamical insta- bilities, energy transfer processes, and possible jet orientations with respect to the ...
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Peak Energy Correlations for Gamma Ray Bursts
... DOI: 10.4236/jamp.2017.58124 1520 Journal of Applied Mathematics and Physics [19] Zhang, B. and Mészáros, P. (2002) An Analysis of Gamma-Ray Burst Spectral Break Models. The Astrophysical Journal , 581, ...
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Classical and Relativistic Models for Time Duration of Gamma Ray Bursts
... for gamma-ray bursts (GRBs) analyze: 1) the different predictions between cannonball and fireball model, see [1] [2]; 2) the acceleration of ultrahigh-energy cosmic rays (UHECRs) at the afterglow ...
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The diversity of kilonova emission in short gamma ray bursts
... Short gamma-ray bursts (SGRBs) have long been thought to be the products of the mergers of compact objects (Rosswog et al. 2003; Belczynski et al. 2006; Nakar 2007) - either binary neutron star (BNS) ...
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Neutrinos from Gamma Ray Bursts in the IceCube and ARA Era
... and Gamma Ray Bursts, GRBs [15–17], are believed to be capable of accelerating CRs to such enormous energies ...[18]. Gamma Ray Bursts (GRBs) are powerful explosions, and are ...
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A New Population of Ultra-long Duration Gamma-ray Bursts
... three gamma-ray bursts (GRBs) with durations of several thousand ...these bursts are the prototypes of a hitherto largely unrecognized population of ultra-long GRBs, which while ...
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Do Wolf Rayet stars have similar locations in hosts as type Ib/c supernovae and long gamma ray bursts?
... To understand the origin of cosmic explosions like supernovae (SNe) and gamma-ray bursts (GRBs), it is important to study and constrain their environments. Fruchter et al. (2006; hereafter F06) ...
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Gamma ray bursts monitoring with the ARGO-YBJ experiment in scaler mode
... these gamma ray bursts ARGO-YBJ data were available and they have been inves- tigated by searching for a significant excess in the counting rates coincident with the satellite ...
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On the Gamma Ray Bursts Origin
... low-energy gamma-ray are associated with core-collapse supernovae (SN) ...intense gamma-ray bursts (allow a critical test of GRB theories) disagree with that predicted by widely ...
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Search for gravitational waves associated with 39 gamma-ray bursts using data from the second, third, and fourth LIGO runs
... since gamma-ray bursts (GRBs) were first detected by the Vela satellites ...of gamma-ray satellite experiments such as Swift [15], HETE-2 [16], INTEGRAL [17], and others continue to ...
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Accretion Models of Gamma‐Ray Bursts
... of gamma-ray bursts (GRBs) involve accretion onto a compact object, usually a black hole, at a mass accretion rate of order a fraction of a solar mass per ...
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Black Hole in Binary System is the Source of Cosmic Gamma Ray Bursts and Their Counterparts
... The basic results [14] are briefly reviewed below. The GRB clusters are singled out statistically in time and space. The physical relationship between the GRBs in clusters shows that they are emitted by a same source. ...
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Toward an Understanding of the Progenitors of Gamma Ray Bursts
... causes gamma ray bursts? What makes up the missing mass of the universe? What’s in those black holes, anyway? And maybe the biggest question of all: How in the wide world can you add $3 billion in ...
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