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The Afterglows and Redshifts of Swift GRBs PowerPoint PPT Presentation
The Afterglows and Redshifts of Swift GRBs - High-Redshift GRBs 2. The ISM of high-redshift galaxies 3. DLA counterparts & the M-Z relation at z2 1. GRBs at z
High-Redshift GRBs 2. The ISM of high-redshift galaxies 3. DLA counterparts & the M-Z relation at z2 1. GRBs at z
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The Primary Output of GRBs PowerPoint PPT Presentation
The Primary Output of GRBs - Hypothesis The primary output of GRB is gamma rays and pairs. ... Although this is a mathematical tautology, it makes sense that opening angle ...
Hypothesis The primary output of GRB is gamma rays and pairs. ... Although this is a mathematical tautology, it makes sense that opening angle ...
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GRBs and EDGE PowerPoint PPT Presentation
GRBs and EDGE - The explosion energy, E0 , and explosion mechanism. The density and/or density profile of the CSM, n(R) The jet collimation angle, ?j ...
The explosion energy, E0 , and explosion mechanism. The density and/or density profile of the CSM, n(R) The jet collimation angle, ?j ...
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GRBs and Magnetic Fields PowerPoint PPT Presentation
GRBs and Magnetic Fields - Blastwave (FS ambient medium) Emission from Ejecta: Prompt gamma-rays ... Emission from Blastwave. Afterglows (X/Opt/Radio) Insensitive to the properties ...
Blastwave (FS ambient medium) Emission from Ejecta: Prompt gamma-rays ... Emission from Blastwave. Afterglows (X/Opt/Radio) Insensitive to the properties ...
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Gravitational waves from GRBs PowerPoint PPT Presentation
Gravitational waves from GRBs - Maurice H.P.M. van Putten. Pisa 2003. LIGO. Edmonton 2004. Black holes, ... Black holes mass about 3e9 MSolar. Biretta et al. 2000. Machetto et al. 1997. LIGO ...
Maurice H.P.M. van Putten. Pisa 2003. LIGO. Edmonton 2004. Black holes, ... Black holes mass about 3e9 MSolar. Biretta et al. 2000. Machetto et al. 1997. LIGO ...
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Nearby GRBs are rare. PowerPoint PPT Presentation
Nearby GRBs are rare. - Short bursts likely produce similar physics of relativistic shocks and ... 10-7 ergs/cm2 for 10 second burst. HAWC and Milagro sensitivities for a 10 sec GRB ...
Short bursts likely produce similar physics of relativistic shocks and ... 10-7 ergs/cm2 for 10 second burst. HAWC and Milagro sensitivities for a 10 sec GRB ...
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Using X-ray to TeV Instruments to Probe Blazars, GRBs, and Cosmological Parameters PowerPoint PPT Presentation
Using X-ray to TeV Instruments to Probe Blazars, GRBs, and Cosmological Parameters - Using Xray to TeV Instruments to Probe Blazars, GRBs, and Cosmological Parameters
Using Xray to TeV Instruments to Probe Blazars, GRBs, and Cosmological Parameters
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The Early Afterglow as a Diagnostic Tool of GRBs PowerPoint PPT Presentation
The Early Afterglow as a Diagnostic Tool of GRBs - The light curve of the reverse shock alone (without the contribution of the forward shock) ... bright is the optical flash? E isotropic equivalent energy ...
The light curve of the reverse shock alone (without the contribution of the forward shock) ... bright is the optical flash? E isotropic equivalent energy ...
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HETE (High Energy Transient Explorer) and GRBs PowerPoint PPT Presentation
HETE (High Energy Transient Explorer) and GRBs - unlikely that HETE-2 or Swift will see another such event. ... Tim Donaghy. Board of Astronomy and Astrophysics University of California at Santa Cruz, CA ...
unlikely that HETE-2 or Swift will see another such event. ... Tim Donaghy. Board of Astronomy and Astrophysics University of California at Santa Cruz, CA ...
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Efecto de la temperatura Finita en la Bola de Fuego de las Explosiones de Rayos Gamma (GRBs) PowerPoint PPT Presentation
Efecto de la temperatura Finita en la Bola de Fuego de las Explosiones de Rayos Gamma (GRBs) - Parte imaginaria de la absorci n del medio. Propagadores en el FTR ... No se ven efectos de la temperatura del medio en la dispersi n electr n-hadr n ...
Parte imaginaria de la absorci n del medio. Propagadores en el FTR ... No se ven efectos de la temperatura del medio en la dispersi n electr n-hadr n ...
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Evidence for UHECR Acceleration from Fermi Observations of AGNs and GRBs PowerPoint PPT Presentation
Evidence for UHECR Acceleration from Fermi Observations of AGNs and GRBs - 1. Evidence for UHECR Acceleration from Fermi Observations of AGNs and GRBs ... Cocoon dynamics (Begelman and Cioffi 1989 for Cyg A) ...
1. Evidence for UHECR Acceleration from Fermi Observations of AGNs and GRBs ... Cocoon dynamics (Begelman and Cioffi 1989 for Cyg A) ...
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The HETE2 Mission and GRBs PowerPoint PPT Presentation
The HETE2 Mission and GRBs - Gilbert Vedrenne. Brazil India Italy (Burst Alert Station ... J. Garrett Jernigan. Astronomy and Astrophysics Department University of Chicago, IL USA ...
Gilbert Vedrenne. Brazil India Italy (Burst Alert Station ... J. Garrett Jernigan. Astronomy and Astrophysics Department University of Chicago, IL USA ...
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Critically assessing Binary mergers as short hard GRBs PowerPoint PPT Presentation
Critically assessing Binary mergers as short hard GRBs - big, old, different IMF/conditions (cf. Regimbau et al) Starbursts ... Ellipticals ( bulges) Spirals (=disks only) Dwarfs (satellites) Mass fractions: ~65 ...
big, old, different IMF/conditions (cf. Regimbau et al) Starbursts ... Ellipticals ( bulges) Spirals (=disks only) Dwarfs (satellites) Mass fractions: ~65 ...
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HIGH ENERGY ASTROPHYSICS Gammaray Bursts GRBs PowerPoint PPT Presentation
HIGH ENERGY ASTROPHYSICS Gammaray Bursts GRBs - Main observational properties. spatial distribution. temporal. spectral ... Observations: some correlations between temporal and specral properties ...
Main observational properties. spatial distribution. temporal. spectral ... Observations: some correlations between temporal and specral properties ...
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Class 18 : Evolution of stars and GRBs continued PowerPoint PPT Presentation
Class 18 : Evolution of stars and GRBs continued - Class 18 : Evolution of stars and GRBs (continued) Finish talking about 10Msun star... Rest of star ejected in a supernova explosion. Core-collapse (type-II) ...
Class 18 : Evolution of stars and GRBs (continued) Finish talking about 10Msun star... Rest of star ejected in a supernova explosion. Core-collapse (type-II) ...
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Photons and Neutrinos Originating from Accelerated Protons in GRBs PowerPoint PPT Presentation
Photons and Neutrinos Originating from Accelerated Protons in GRBs - Future observations of gamma-rays and neutrinos from mesons will justify the ... Fermi Acceleration. v. u. Shock Front. Shocked Region. Magnetic Field. Particle ...
Future observations of gamma-rays and neutrinos from mesons will justify the ... Fermi Acceleration. v. u. Shock Front. Shocked Region. Magnetic Field. Particle ...
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Xshooter A Wideband Spectrograph for GRBs PowerPoint PPT Presentation
Xshooter A Wideband Spectrograph for GRBs - First 2nd generation instrument to be operative. but very tight budget ... X- shooter will be the first 2nd generation instrument operative at VLT ...
First 2nd generation instrument to be operative. but very tight budget ... X- shooter will be the first 2nd generation instrument operative at VLT ...
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Statistical Analysis of GRBs with Known Redshifts PowerPoint PPT Presentation
Statistical Analysis of GRBs with Known Redshifts - Is there evidence of cosmological evolution on ?-ray burst features? ... the first stage of the afterglow evolution has a dependence on redshift and is ...
Is there evidence of cosmological evolution on ?-ray burst features? ... the first stage of the afterglow evolution has a dependence on redshift and is ...
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Searching for GRBs with the Single Particle Technique PowerPoint PPT Presentation
Searching for GRBs with the Single Particle Technique - Started with the first GRB detection by the Swift satellite on. December 17, 2004 ... indices measured by satellites (in E=15-150 keV for Swift) ...
Started with the first GRB detection by the Swift satellite on. December 17, 2004 ... indices measured by satellites (in E=15-150 keV for Swift) ...
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GRBs as a Probe of the Elemental Abundance History of the Universe PowerPoint PPT Presentation
GRBs as a Probe of the Elemental Abundance History of the Universe - Lamb and Reichart (2000) Evidence for Evolution of GRBs with Redshift ... Lamb (2000) Predicted Elemental Abundances as Function of Redshift ...
Lamb and Reichart (2000) Evidence for Evolution of GRBs with Redshift ... Lamb (2000) Predicted Elemental Abundances as Function of Redshift ...
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Photons and Neutrinos Originating from Accelerated Protons in GRBs PowerPoint PPT Presentation
Photons and Neutrinos Originating from Accelerated Protons in GRBs - Pion-decay time and cooling time- More detailed simulation ... Synchrotron radiation from electron, positron, muon, pion, and proton. Photon scattering (Inv. ...
Pion-decay time and cooling time- More detailed simulation ... Synchrotron radiation from electron, positron, muon, pion, and proton. Photon scattering (Inv. ...
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Toward Understanding the Central Engine of Long GRBs PowerPoint PPT Presentation
Toward Understanding the Central Engine of Long GRBs - of relativistic jet (BZ-process, Neutrino Heating), which we are ... Neutrino heating processes have been included in the collapsar model. ...
of relativistic jet (BZ-process, Neutrino Heating), which we are ... Neutrino heating processes have been included in the collapsar model. ...
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Short transients detected in WFC 225 keV with littleno signal in GRBM 40700 keV and no BATSE 20 keV PowerPoint PPT Presentation
Short transients detected in WFC 225 keV with littleno signal in GRBM 40700 keV and no BATSE 20 keV - Short transients detected in WFC (2 25 keV) with little/no signal in GRBM (40 ... Time averaged flash spectra. Good agreement between WFC & BATSE around 20 keV ...
Short transients detected in WFC (2 25 keV) with little/no signal in GRBM (40 ... Time averaged flash spectra. Good agreement between WFC & BATSE around 20 keV ...
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GammaRay Bursts GRBs and the GLAST Experiment PowerPoint PPT Presentation
GammaRay Bursts GRBs and the GLAST Experiment - What causes flares and rebrightenings? What are jet configurations (long, short GRBs) ... Short pulse. Long flaring 'New family' Further analysis of SNe missing ...
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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Search for GravitationalWave Bursts GWBs Associated with GammaRay Bursts GRBs Using LIGO Detectors PowerPoint PPT Presentation
Search for GravitationalWave Bursts GWBs Associated with GammaRay Bursts GRBs Using LIGO Detectors - time. crosscorrelate. output of two IFOs. look for largest. crosscorrelation. within 180-second ... Goal: One year of coincident science run at LIGO-1 design ...
time. crosscorrelate. output of two IFOs. look for largest. crosscorrelation. within 180-second ... Goal: One year of coincident science run at LIGO-1 design ...
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Unravelling short GRBs with LIGO, Swift and GLAST PowerPoint PPT Presentation
Unravelling short GRBs with LIGO, Swift and GLAST - Mutual vetoing. Deeper searches. Less bias! Combine w/ galactic PSRs! Nearby events: ... and High rate (per unit mass) forming in elliptical ...
Mutual vetoing. Deeper searches. Less bias! Combine w/ galactic PSRs! Nearby events: ... and High rate (per unit mass) forming in elliptical ...
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GRBs as Probes of First Light and the Reionization History of the Universe PowerPoint PPT Presentation
GRBs as Probes of First Light and the Reionization History of the Universe - HETE-2 localized burst GRB030329/SN 2003dh confirms the GRB SN connection ... 2 and follow-up observations have confirmed the connection between GRBs and core ...
HETE-2 localized burst GRB030329/SN 2003dh confirms the GRB SN connection ... 2 and follow-up observations have confirmed the connection between GRBs and core ...
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Causality and hidden dimensions in astrophysical light curves illustrated by GRBs PowerPoint PPT Presentation
Causality and hidden dimensions in astrophysical light curves illustrated by GRBs - Spectral 'cut' directly leads to investigation of ... the researcher to fix and oversimplified spectral. shape and therefore the model and do that too ...
Spectral 'cut' directly leads to investigation of ... the researcher to fix and oversimplified spectral. shape and therefore the model and do that too ...
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Photospheric emission models of GRBs and their detectability by GLAST PowerPoint PPT Presentation
Photospheric emission models of GRBs and their detectability by GLAST - this photosphere is expected to be blackbody. ... dissipative effects below the photosphere (magnetic reconnections or shocks) ...
this photosphere is expected to be blackbody. ... dissipative effects below the photosphere (magnetic reconnections or shocks) ...
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The Fermi blazars divide PowerPoint PPT Presentation
The Fermi blazars divide - Title: GRBs: open issues Author: Gabriele Created Date: 4/25/2004 2:16:39 PM Document presentation format: Presentazione su schermo Other titles: Arial Comic Sans MS ...
Title: GRBs: open issues Author: Gabriele Created Date: 4/25/2004 2:16:39 PM Document presentation format: Presentazione su schermo Other titles: Arial Comic Sans MS ...
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Pr PowerPoint PPT Presentation
Pr - X-ray Flashes= GRB with lower peak energy. Less energetic GRBs ? GRB at High Redshift ? ... Brightest GRBs can be used as new cosmological probes ! ...
X-ray Flashes= GRB with lower peak energy. Less energetic GRBs ? GRB at High Redshift ? ... Brightest GRBs can be used as new cosmological probes ! ...
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The Radio Afterglow produced by the Giant Flare from the Magnetar SGR 1806-20 PowerPoint PPT Presentation
The Radio Afterglow produced by the Giant Flare from the Magnetar SGR 1806-20 - The energy release in a single giant flare is of the order of the total ... Giant flares from extragalactic SGRs might explain short duration GRBs. ...
The energy release in a single giant flare is of the order of the total ... Giant flares from extragalactic SGRs might explain short duration GRBs. ...
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The Universe >100 MeV PowerPoint PPT Presentation
The Universe >100 MeV - ... 50 times the sensitivity of EGRET. Large Effective Area (20 MeV 300 ... EGRET discovered GeV emission from 4 bright GRBs with no evidence of a spectral ...
... 50 times the sensitivity of EGRET. Large Effective Area (20 MeV 300 ... EGRET discovered GeV emission from 4 bright GRBs with no evidence of a spectral ...
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Understanding The Mechanisms Behind GammaRay Bursts PowerPoint PPT Presentation
Understanding The Mechanisms Behind GammaRay Bursts - ... GRB models. Lecture 5: Black Hole Accretion Disk Models. Black Hole ... Future models and future observational missions. GRBs The Historical Perspective ...
... 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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The CRTNT Project PowerPoint PPT Presentation
The CRTNT Project - The CRTNT Project (Cosmic Ray & Tau Neutrino Telescope) --- sensitivity and ... SWIFT: near-by (Z 0.033) GRBs 500x more than predicted, neutrinos are more energetic ...
The CRTNT Project (Cosmic Ray & Tau Neutrino Telescope) --- sensitivity and ... SWIFT: near-by (Z 0.033) GRBs 500x more than predicted, neutrinos are more energetic ...
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GRB REPUBLIKE HRVATSKE PowerPoint PPT Presentation
GRB REPUBLIKE HRVATSKE - GRB REPUBLIKE HRVATSKE Grb Republike Hrvatske Grbovi u kruni Najstariji poznati hrvatski grb zvijezda Danica iznad polumjeseca na kovanicama iz 12. stolje a ovaj ...
GRB REPUBLIKE HRVATSKE Grb Republike Hrvatske Grbovi u kruni Najstariji poznati hrvatski grb zvijezda Danica iznad polumjeseca na kovanicama iz 12. stolje a ovaj ...
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Quark deconfinement in compact stars PowerPoint PPT Presentation
Quark deconfinement in compact stars - Short overview on Gamma-Ray Bursts (GRBs) Delayed nucleation of ... ponent system with two conserved 'charges'. [Glendenning, Phys. Rev. D46 (1992)] August 2004 ...
Short overview on Gamma-Ray Bursts (GRBs) Delayed nucleation of ... ponent system with two conserved 'charges'. [Glendenning, Phys. Rev. D46 (1992)] August 2004 ...
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Neutron Stars PowerPoint PPT Presentation
Neutron Stars - Neutron Stars. Physics of ultradense, cold matter. Superfluidity, ... Origin of Spin, Kicks, B-field -- Magnetars vs. Pulsars. Hypernovae GRBs. Black Hole? ...
Neutron Stars. Physics of ultradense, cold matter. Superfluidity, ... Origin of Spin, Kicks, B-field -- Magnetars vs. Pulsars. Hypernovae GRBs. Black Hole? ...
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The%20early%20universe%20up%20to%20Z?6%20was%20observed%20through PowerPoint PPT Presentation
The%20early%20universe%20up%20to%20Z?6%20was%20observed%20through - Swift. ASTRO-E II. Astro-E II is the wide band and high quality ... GRBs in infrared cooperating SWIFT. 1.3mf. Cooled NICMOS. Lyman break ...
Swift. ASTRO-E II. Astro-E II is the wide band and high quality ... GRBs in infrared cooperating SWIFT. 1.3mf. Cooled NICMOS. Lyman break ...
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Magnetars are PowerPoint PPT Presentation
Magnetars are - Strongest man-made B 107. Radio Pulsars 1012-1013. Magnetars 1014-1015 ... excess from Virgo cluster indicates that at most 5% of short GRBs are SGR GFs or ...
Strongest man-made B 107. Radio Pulsars 1012-1013. Magnetars 1014-1015 ... excess from Virgo cluster indicates that at most 5% of short GRBs are SGR GFs or ...
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BUST PowerPoint PPT Presentation
BUST - Significance of muon bursts recorded at the BUST during 1981-2005. ... D.V. Smirnov, V.B. Petkov, S.N. Karpov, 'Search for TeV gamma rays from GRBs at ...
Significance of muon bursts recorded at the BUST during 1981-2005. ... D.V. Smirnov, V.B. Petkov, S.N. Karpov, 'Search for TeV gamma rays from GRBs at ...
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The Collapsar Model for GammaRay Bursts PowerPoint PPT Presentation
The Collapsar Model for GammaRay Bursts - Harvard CfA Meeting on GRBs, May 21, 2002. Requirements on the Central Engine ... The Jet-Star. Interaction. Relativistic Jet Propagation Through the Star ...
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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Scientific Highlights of the HETE2 Mission PowerPoint PPT Presentation
Scientific Highlights of the HETE2 Mission - Universal jet model can account for GRBs, but not both XRFs and GRBs ... Predicted z distributions for universal jet (red) and uniform jet (blue) models ...
Universal jet model can account for GRBs, but not both XRFs and GRBs ... Predicted z distributions for universal jet (red) and uniform jet (blue) models ...
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Search for gravitational-wave bursts associated with gamma-ray bursts using the LIGO detectors PowerPoint PPT Presentation
Search for gravitational-wave bursts associated with gamma-ray bursts using the LIGO detectors - Segment length: -120 to 60 sec around GRB trigger time 180 sec ... 40% triple-IFO coincidence. 68% double-IFO coincidence. 9 short-duration GRBs ...
Segment length: -120 to 60 sec around GRB trigger time 180 sec ... 40% triple-IFO coincidence. 68% double-IFO coincidence. 9 short-duration GRBs ...
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Evidence of Neutrino Oscillation from SuperKamiokande and K2K PowerPoint PPT Presentation
Evidence of Neutrino Oscillation from SuperKamiokande and K2K - Neutrinos from supernova and gamma-ray burst. Long baseline K2K neutrino experiment ... Gamma Ray Bursts (GRB) Search for neutrinos correlated with 1371 GRBs ...
Neutrinos from supernova and gamma-ray burst. Long baseline K2K neutrino experiment ... Gamma Ray Bursts (GRB) Search for neutrinos correlated with 1371 GRBs ...
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GLAST Tracker Calibration PowerPoint PPT Presentation
GLAST Tracker Calibration - Short Gamma-Ray Bursts are Different. Abridged History of Short GRBs: ... phenomenon with no Rosetta Stone. Summary & Conclusions ...
Short Gamma-Ray Bursts are Different. Abridged History of Short GRBs: ... phenomenon with no Rosetta Stone. Summary & Conclusions ...
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A simple computer program for designing a NIR space telescope for a cosmological survey PowerPoint PPT Presentation
A simple computer program for designing a NIR space telescope for a cosmological survey - A simple computer program for designing a NIR space telescope ... For the study of GRBs themselves, the surveyor must be coeval with a high energy observatory. ...
A simple computer program for designing a NIR space telescope ... For the study of GRBs themselves, the surveyor must be coeval with a high energy observatory. ...
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Cosmological Heavy Ion Collisions: PowerPoint PPT Presentation
Cosmological Heavy Ion Collisions: - Cosmological Heavy Ion Collisions: Colliding Neutron Stars. Chang-Hwan Lee Hee ... 2000s: HETE-II, Swift. 12. Short-hard GRBs. hard. soft. short. long. 1000. 1. 0.01 ...
Cosmological Heavy Ion Collisions: Colliding Neutron Stars. Chang-Hwan Lee Hee ... 2000s: HETE-II, Swift. 12. Short-hard GRBs. hard. soft. short. long. 1000. 1. 0.01 ...
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GPS progress report PowerPoint PPT Presentation
GPS progress report - astrophysics transient source studies (GRBs, Pulsars, ... conception and realization of the GPSE card. MIT : M. Capell, A. Lebedev ...
astrophysics transient source studies (GRBs, Pulsars, ... conception and realization of the GPSE card. MIT : M. Capell, A. Lebedev ...
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Mapping the U.S. Scientific Future in VLBI PowerPoint PPT Presentation
Mapping the U.S. Scientific Future in VLBI - Radio interferometry with elements (antennas) separated by hundreds ... flare stars (AD Leo) colliding winds (WR stars) SNe. GRBs. Maser emission from molecules ...
Radio interferometry with elements (antennas) separated by hundreds ... flare stars (AD Leo) colliding winds (WR stars) SNe. GRBs. Maser emission from molecules ...
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Magnetar Magnetospheres PowerPoint PPT Presentation
Magnetar Magnetospheres - Observational motivations: gamma-ray bursts (GRBs); soft gamma repeaters (SGRs; ... Increases the braking torque and spin-down rate after the burst ...
Observational motivations: gamma-ray bursts (GRBs); soft gamma repeaters (SGRs; ... Increases the braking torque and spin-down rate after the burst ...
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Degree of beaming determines PowerPoint PPT Presentation
Degree of beaming determines - the nature of the sources which produce GRBs. Constraints on Beaming in Gamma ... Explain all GRB phenomenology with single impulsive event; variability due to ...
the nature of the sources which produce GRBs. Constraints on Beaming in Gamma ... Explain all GRB phenomenology with single impulsive event; variability due to ...
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VLBI: Instruments and Capabilities PowerPoint PPT Presentation
VLBI: Instruments and Capabilities - Wide range of frequency bands, 0.3-86 GHz, frequency agility ... Nearby, low-luminosity AGNs may be a GLAST 'sleeper' Mrk 421, 501. M87, N4151. Nearby GRBs? ...
Wide range of frequency bands, 0.3-86 GHz, frequency agility ... Nearby, low-luminosity AGNs may be a GLAST 'sleeper' Mrk 421, 501. M87, N4151. Nearby GRBs? ...
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Gamma-Ray Burst Working Group PowerPoint PPT Presentation
Gamma-Ray Burst Working Group - Cosmic Ray Acceleration. What role do GRBs play in production of UHE cosmic rays? If significant UHE cosmic ray acceleration: p synchrotron. p ? initiated cascades ...
Cosmic Ray Acceleration. What role do GRBs play in production of UHE cosmic rays? If significant UHE cosmic ray acceleration: p synchrotron. p ? initiated cascades ...
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