[PDF] Top 20 Toward an Understanding of the Progenitors of Gamma Ray Bursts
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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, ... See full document
196
Constraining the progenitors of short gamma ray bursts
... Some of the “hostless” GRBs in our sample could have occured within the up- graded gravitational wave detector horizon of ∼ 500 Mpc for a NS-NS and ∼ 1 Gpc for NS-BH mergers, providing interesting prospects for potential ... See full document
178
The Role of Magnetic Fields in Gamma Ray Bursts from SNeII
... brief bursts of radiation that randomly appear on the sky re- leasing energy in the order of ...Current understanding of GRBs is that they are phenomena produced by the dissi- pation of the kinetic energy ... See full document
8
A Size-duration Trend for Gamma-ray Burst Progenitors
... The first catalog of gamma-ray bursts (GRBs) detected by the BATSE satellite revealed bimodality in their duration distribu- tion (Kouveliotou et al. 1993). Events lasting longer than 2 s were ... See full document
6
A New Population of Ultra-long Duration Gamma-ray Bursts
... It is now clear that the vast majority of long-duration GRBs are due to stellar core collapse, which also produces an accompanying SN explosion (see Hjorth et al. 2003; Stanek et al. 2003; Hjorth & Bloom 2012, but ... See full document
23
Gamma Ray Bursts Generated by Hyper Accreting Kerr Black Hole
... compact progenitors, identified as gra- vitational core collapse of a rapidly rotating super massive star [16] [17] or merged core of compact objects such as double NS, NS-BH or WD-BH [18] ...short ... See full document
18
Neutrinos from Gamma Ray Bursts in the IceCube and ARA Era
... The detection of MeV neutrinos emitted from the sun and from the supernovae allowed the understanding of the physics of these astrophysical objects [1, 2]. MeV neutrino “telescopes” are capable of detecting ... See full document
8
The environments of the most energetic Gamma Ray bursts
... similar progenitors, we may expect the emission radius to be higher for the ISM-like bursts, since these are supposed to be post- termination ...the progenitors are the same for wind and ISM ...the ... See full document
46
Search for gravitational waves associated with gamma-ray bursts detected by the interplanetary network
... To approximate the expected advanced detector results, we scale the exclusion distances obtained here by a factor of ten and also increase by a factor of two the number of observed GRBs to account for the increased run ... See full document
14
Chandra and Hubble Space Telescope observations of dark gamma ray bursts and their host galaxies
... Telescope (XRT; Burrows et al. 2004). XRT provides & 1 arcsec localisation accuracy, sufficient in some cases to iden- tify a probable host candidate. Because most dark GRBs are hosted by galaxies which are more ... See full document
16
Merger of Compact Binaries in the Context of Gravitational Waves and Short Lived Gamma Ray Bursts
... various inflationary scenarios predict different values of r . Therefore, the obser- vation of a gravitational signature of primordial GWs provides a powerful tool to examine the validity of the general inflationary ... See full document
24
On the Gamma Ray Bursts Origin
... low-energy gamma-ray are associated with core-collapse supernovae (SN) ...theoretical understanding has emerged in the form of the fireball internal-external shocks model ...intense ... See full document
11
Gamma-Ray Burst Progenitors
... In principle, such angular momentum should be easy to attain. As the core grows (and increases in density) during the main sequence its rotation should increase, potentially even to the point of breakup where the ... See full document
46
The Energetics and Environments of Swift Gamma Ray Bursts
... The prompt and accurate positions provided by the Swift γ-ray Burst (GRB) Ex- plorer (Gehrels et al., 2004) have successfully unveiled a new window in GRB studies: the mysterious early afterglow phase. Robotic ... See full document
222
Astrophysics: Macroobject Shell Model
... and gamma-ray background from the annihilation of cold Dark Matter (DM) in the form of heavy stable neutral lep- tons in Galaxies were considered in ... 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
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
Black Hole in Binary System is the Source of Cosmic Gamma Ray Bursts and Their Counterparts
... The discovered GRB clusters in a number about 100 were studied and the locations of their sources have roughly been determined [14]. This list, which also con- tains some characteristics of clusters, can be considered as ... See full document
14
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
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 ... See full document
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