'Grbs' diaporamas de présentation

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High energy emission in Gamma Ray Bursts

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Swift Observations of GRBs

Swift Observations of GRBs. David Burrows The Pennsylvania State University. 20 November 2004. GRBs and Swift. UVOT. BAT. BAT. XRT. UVOT. XRT. Spacecraft. Swift Instruments. Burst Alert Telescope (BAT) 15-150 keV 2 sr field of view CdZnTe detectors

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Scientific Highlights of the HETE-2 Mission

Scientific Highlights of the HETE-2 Mission. D. Q. Lamb (U. Chicago). Los Alamos National Laboratory Los Alamos, NM USA. Center for Space Research Massachusetts Institute of Technology Cambridge, MA USA. Edward E. Fenimore Mark Galassi. George R. Ricker (PI) Geoffrey B. Crew

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? canonical disclaimer ? some general remarks ? selected topics

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Refusing to Go Quietly: Gamma-Ray Bursts and Their Progenitors

Refusing to Go Quietly: Gamma-Ray Bursts and Their Progenitors. Andy Fruchter STScI Hubble Science Briefing 5 Dec. 2013. What Are We Doing Here?. An introduction to Gamma-Ray Bursts (GRBs) Massive stars and the long bursts Short bursts and merging neutron star binaries

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Luminosity-time correlations for GRBs afterglows

Luminosity-time correlations for GRBs afterglows. Maria Giovanna Dainotti Department of Astronomy, Stanford University, Stanford, California In collaboration with First part of the talk M. Ostrowski (Crakow Observatory, Krakow, Poland),

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Probing for dynamics of dark energy with latest cosmological data

Probing for dynamics of dark energy with latest cosmological data. Hong Li Department of Astronomy Peking University In collaboration with Junqing Xia, Gongbo Zhao, Zuihui Fan and Xinmin Zhang. outline. Brief review on DE

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GRBs as a Probe of the Elemental Abundance History of the Universe

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Gamma-Ray Bursts and Gravitational Waves

Gamma-Ray Bursts and Gravitational Waves. Shiho Kobayashi (Penn State). Gamma-Ray Bursts (GRBs) sudden, intense flashes of 0.1- 1MeV rays arriving from random directions in the sky. luminosity. Time[sec]. Short Bursts. Long Bursts. events. Hardness. Duration. [sec]. >2sec.

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Gamma-Ray Bursts Mano-a-Mano

Gamma-Ray Bursts Mano-a-Mano. GRB duration distribution. Long Bursts massive stars. Hardness ratio vs Duration. Short bursts T<2s NS-NS/NS-BH??. 100-300kev / 50-100keV. Duration. Lazzati and Perna. Mazets et al. 1981, Norris et al. 1984, Kouveliotou et al. 1993. Collapsar model: LGRBs.

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Searc h for emission from G amma R ay B urst s with the ARGO-YBJ detector

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Edo Berger Harvard University

The Host Galaxies of High-Redshift GRBs. Edo Berger Harvard University. Outline. 1. GRBs at z<1: Is there a low-metallicity bias?. 2. The ISM of high-redshift galaxies. 3. DLA counterparts & the M-Z relation at z>2. Spitzer stack. Long GRBs Hosts: Metallicity?. metallicity.

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Progenitors of Magnetars and Hyperaccreting Magnetized Disks and Central Engines of GRBs

Progenitors of Magnetars and Hyperaccreting Magnetized Disks and Central Engines of GRBs. ???? ? ? ??? ??? ??????????. Gamma-ray bursts: the most violent explosions in the universe! ?. SGR 1806-20. The Formation of a Magnetar.

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??? X ?? ? ???????? ? ????? (Exploring GRBs through Optical, X-ray and Gamma-ray Observations)

??? X ?? ? ???????? ? ????? (Exploring GRBs through Optical, X-ray and Gamma-ray Observations) Tsunefumi Mizuno Hiroshima Univ. 7 May 2009, Tokyo Tech, Japan. Outline. Fermi Gamma-ray Space Telescope Fermi LAT and GBM Burst Advocator GRBs seen by Fermi Overview GRB080916C GRB081024B

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Gamma Ray Bursts

Gamma Ray Bursts. A High Energy Mystery By Tessa Vernstrom Ast 4001, Fall 2007. Briefly: What are They?.

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Search for GeV Gamma-Ray Bursts with the ARGO-YBJ Detector in Scaler Mode

Search for GeV Gamma-Ray Bursts with the ARGO-YBJ Detector in Scaler Mode. X.-X. Li , H.-H. He , F.-R. Zhu , S.-Z. Chen on behalf of the ARGO-YBJ collaboration Institute of High Energy Physics 2008.06.27. 2008 Nanjing GRB Conference ,Nanjing, China, 2008, June 23-27. Outline.

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The Present and Future of GRB Cosmography

The Present and Future of GRB Cosmography. Andrew S. Friedman (Harvard-CfA) & Joshua S. Bloom (Harvard-CfA / UC Berkeley). www.cosmicbooms.net. Outline. Motivations: What is GRB Cosmography? Brief History Current Work Future Prospects. Motivations.

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Search for VHE emission from satellite-triggered GRBs with Milagro (update)

Pablo Saz Parkinson University of California, Santa Cruz LANL Collaboration Meeting, 10 May 2006. Search for VHE emission from satellite-triggered GRBs with Milagro (update). How many GRBs so far:. 2000-2001: 25, 3 with z, ApJ paper 2002-2004: 12, 2 with z 2005: 20, 7-8 with z

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