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It indicates GRB is collimated outflow. Jet angle ~a few degrees ... Magnetic field is helpful to collimate the jet. Observation (although controversial) ...
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Harness LCO, Palomar, Keck and Magellan to make Pasadena the ... Lick Observatory SN Program (Li) ESSENCE (Kirshner) SN Factory (Wood-Vasey) PanSTARRS (Price) ...
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Gamma Ray Bursts Shamelessly stolen from Chris Fryer s summer school lectures
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Gamma-Ray Bursts (GRBs) Short (few seconds) bursts of ... The flux distribution (paucity of weak bursts) shows that the bursts cannot be ...
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GRB Gamma Ray Bursts An Ongoing Mystery, Evolving Quickly John G. Learned University of Hawaii with s from many folks, Particularly Kevin Hurley and Guido ...
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Isotropic gamma-ray energies range from 1051 to 1054 erg ... THREE INTERESTING GAMMA-RAY BURST/SUPERNOVA PARAMETERS. THE Epeak-Eisotropic energy RELATION ...
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Exploring the Extreme Universe with Fermi Gammaray Space Telescope formerly called GLAST
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Baryon poor fireball (BPJ) ~300. slow wind. Bow shock: source of keV photons. r 1011 cm ... (b)=baryons, ( ) = pairs, (r) = radiation. Basic equations. How to ...
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of 10 s can only traverse 3 x 1011 cm. This is long ... with a (strong classical) gamma-ray burst (though ... Modeled as the 3 x 1052 erg explosion. of a ...
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Title: PowerPoint Presentation Last modified by: Stan Woosley Created Date: 10/29/2001 7:41:19 PM Document presentation format: Custom Other titles
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The quark-deconfinement model of Gamma-Ray-Bursts Alessandro Drago Univ. Ferrara Main collaborators: Zurab Berezhiani (L Aquila) Ignazio Bombaci (Pisa)
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... and are also thermalized to a high temperature. The clever part is next: consider what would happen if, as a result of its thermal motion, ... (D~3 Gpc) L ~ fD2 ...
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... GRB models. Lecture 5: Black Hole Accretion Disk Models. Black Hole ... Future models and future observational missions. GRBs The Historical Perspective ...
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Louisiana State University, Baton Rouge, LA, USA ... 1051 ergs in the blast wave. SN rate 2/century 2X1049ergs/yr. Blast wave must convert ~1% of its energy into ...
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Supernovae, Gamma-Ray Bursts, and Stellar Rotation S. E. Woosley (UCSC) A. Heger (Univ. Chicago) The Neutrino Powered Wind Duncan, Shapiro, and Wasserman (1986) Qian ...
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... its small size and many restaurants also contributed to the special intimacy ... lines can provide probe of GR spacetime near black hole but most AGN and QSOs ...
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1. Failure of neutrino powered SN explosion. a. complete. b. partial (fallback) ... Jet formation and collimation. Sufficient energy for cosmo. GRB ...
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Gamma-Ray Bursts The Biggest Explosions Since the Big Bang. Outline. History and basic observational facts ... BATSE observations, the 'Great Debate', and the ...
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Generic picture of an accreting system (pm,swift) A collapse of a rotating envelope ... Timing is good as SWIFT is to be launched soon. It used to be used ...
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Cosmic Rays are subatomic particles and radiation of extra-terrestrial origin. First discovered in 1912 by German scientist Victor Hess, measuring radiation ...
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Harvard CfA Meeting on GRBs, May 21, 2002. Requirements on the Central Engine ... The Jet-Star. Interaction. Relativistic Jet Propagation Through the Star ...
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A inch cube of this material with would weigh more than 100 million tons. ... gradually causes much of the disk material to eventually spiral into the black hole. ...
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0.5 -0.7 dex ... 1.3 dex. Ref: Herrero'03;Trundle et al. '07;Hunter et al.'07. SMC: [N/H] O-stars, A-F supg. ... 1.5 dex 20 M B giants , supg : 1.9 dex ...
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The Vela 5 satellites functioned from July, 1969 to April, 1979 ... March 3, 1997 (fainter by 20) Groot, Galama, von Paradijs, et al IAUC 6584, March 12, 1997 ...
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Di Matteo, Perna, & Narayan 2002. Accretion Disks in General Relativity ... Thick lines (di Matteo, Perna & Narayan 2002), Thin Lines (Popham et al. 1999) ...
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Fundamental nuclear physics properties of the atomic nucleus, ... 3. Physics of hydrogen burning in massive stars, the CNO-tri-cycle, ...
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Ideal Relativistic MHD - no physical resistivity (only numerical); 8. MFoGRBP, SAO, Bukovo ... 1) MHD waves must be able to escape from the black hole ergosphere ...
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I) Black hole accretion disk models (compact binary merger, collapsar) ... Black Hole Accretion Disk Models. Collapsar (aka hypernova: ...
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ROTATING MASSIVE STARS: IMPACT ON STELLAR POPULATIONS AND ... Advection diffusion of. angular momentum. Transport diffusion of the. chemical elements ...
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unlikely that HETE-2 or Swift will see another such event. Reminder: CEA. Optical light curve ... With Swift, we should get ~120 GRBs to produce Hubble ...
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Black hole formation ( ) 1. Astrophysical black holes 2. Formation of black holes 3. Evolution of black holes Ref: Proc. Carnegie sympo ...
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Title: Geboorte, leven en dood van sterren Author: Paul Groot Last modified by: Paul Groot Created Date: 12/29/2005 11:16:35 AM Document presentation format
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Title: PowerPoint Presentation Last modified by: Stan Woosley Created Date: 6/3/2000 7:48:02 PM Document presentation format: Custom Other titles
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What causes flares and rebrightenings? What are jet configurations (long, short GRBs) ... Short pulse. Long flaring 'New family' Further analysis of SNe missing ...
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Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide Show mode
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Title: PowerPoint Presentation Author: Sumanas Last modified by: Jie Zhang Created Date: 12/24/2002 1:08:46 AM Document presentation format: On-screen Show
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Prospects for GRB Science with GLAST Jonathan Granot University of Hertfordshire (Royal Society Wolfson Research Merit Award Holder) Collaborators: J. Cohen-Tanugi, E ...
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Provide adequate energy at high Lorentz factor. Collimate the emergent beam to approximately 0.1 radians ... energy and collimation to the jet - provided the necessary ...
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The GRB Coordinates Network (GCN) The third InterPlanetary Network (IPN3) ... Due to the sub-burst longitude and latitude and the geographical distribution of ...
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Title: No Slide Title Author: Amir Levinson Last modified by: Admin amir Created Date: 8/26/2002 1:03:38 PM Document presentation format: Pr sentation l' cran (4:3)
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The First Stars and Black Holes Stars today Old and young populations (I and II) Different histories Different chemical makeup Initial material (sampled between ...
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Introduction to Honeypot, Botnet, and Security Measurement Cliff C. Zou 02/07/06
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Service Creation Requests From ASP. Virtual servicenode. On the Same SODA Host ... Xuxian Jiang, Dongyan Xu, Rudolf Eigenmann, 'Protection Mechanisms for ...
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Gamma ray bursts from binary black holes Agnieszka Janiuk Center for Theoretical Physics, Polish Academy of Sciences, Warsaw Collaboration: Szymon Charzy ski (Warsaw ...
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UCSD Potemkin Honeyfarm Jay Chen, Ranjit Jhala, Chris Kanich, Erin Kenneally, Justin Ma, David Moore, Stefan Savage, Colleen Shannon, Alex Snoeren, Amin Vahdat, Erik ...
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New Views of Compact Object Mergers Via Short Gamma-Ray Bursts ... J. Wren, LANL. B. L. Lee, U. Toronto. P. J. McCarthy, Carnegie. D. C. Murphy, Carnegie ...
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Relativistic accretion disks/tori. More energy may come from the disk than the hole ... Dissipation inevitable if V c/ln(qmax/qmin) ~ 0.1c; otherwise not. cf PWN ...
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J. Garrett Jernigan. MIT. George R. Ricker (PI) Geoffrey Crew ... Gilbert Vedrenne. Jean-Francois Olive. Michel Boer. UChicago. Donald Q. Lamb. Carlo Graziani ...
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Massive star feedback from the first stars to the present Jorick Vink (Keele University)
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Gamma-ray bursts - short-lived bursts of gamma ray photons, the most energetic ... Soon after, scientists could look with the Keck-telescope at the found spot. ...
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XI International Workshop on 'Neutrino Telescopes' Outline. Introduction. GRB phenomenology ... Peak Energy vs Total energy correlations. Reproducing the BATSE ...
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Enabling Internet Malware Investigation and Defense Using Virtualization Dongyan Xu ... Information Assurance and Security (CERIAS) Purdue University
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of Z = 0 Stars, 12 100. The evolution of Z = 0 massive stars has been studied for. many years, e.g. Ezer & Cameron ... Use Kepler implicit hydrodynamics code ...
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Title: Jets in Gamma Ray Bursts Author: Shri Kulkarni Last modified by: Shri Kulkarni Created Date: 6/1/2005 12:17:41 PM Document presentation format
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