PPT-Radio afterglows of Gamma Ray Bursts

Author : tawny-fly | Published Date : 2016-04-19

Poonam Chandra National Centre for Radio Astrophysics Tata Institute of Fundamental Research Collaborator Dale Frail and many others Radio Afterglows Late time

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Radio afterglows of Gamma Ray Bursts: Transcript

Poonam Chandra National Centre for Radio Astrophysics Tata Institute of Fundamental Research Collaborator Dale Frail and many others Radio Afterglows Late time follow up Accurate energetics instead of isotropic equivalent energy . extreme physics at play. Bruce Gendre. ARTEMIS. Description of a GRB. Gamma-ray Burst : . burst of high energy photons. Isotropic distribution on the sky. extragalactic events. . quite common (~2/day. 84 . Hiroshi Nagai. (National Astronomical Observatory of Japan). In collaboration with. Monica . Orienti. , Motoki Kino, Kenta Suzuki, Keiichi Asada, Akihiro . Doi. , Gabriele . Giovannini. , Marcello . Solar Energetic Particle Events . (L. . Winter, . S. Huston, K. . Ledbetter, R. Quinn; AER). Analysis of the Wind/WAVES radio burst and the GOES proton properties led to finding that radio properties (e.g., type II and type III peak flux) can be used to predict the peak proton flux level.. Andrew Levan. University of Warwick. Parameter space. Kouveliotou. et al. 1993. Parameter space. Kulkarni. & . Kasliwal. 2010. Parameter space. LGRBs. SGRBs. SGRs. ?. TDEs?. Galactic sources (SGR, LMXB, HMXB, . Sydney Institute for Astronomy (. SIfA. )/ CAASTRO – The University of Sydney. Dr. Paul Hancock. with Bryan . Gaensler. , Tara Murphy, and . Davide. . Burlon. Overview. Intro to . GRBs. Radio properties of . Sergei Popov. (SAI MSU). Plan. General intro. Pulsar models. Population synthesis. Summary of discoveries. EGRET legacy. Just 6 pulsars:. Crab. Geminga. Vela. PSR B1055-52. PSR B1706-44 . PSR B1951+32 . David Smith. Centre d’Etudes Nucléaires de Bordeaux-Gradignan. ( CENBG - in2p3 - CNRS ). I. nstitut. de Physique Nucléaire de Lyon. 6 mars 2015. Le ciel en rayons gamma. avec le. . satellite . Fermi . Andrew Levan. University of Warwick. Burst durations. Swift 1644+57. Very long bursts are often image triggers (1000+s). Correction from Swift observed rates to astrophysical rates (at Swift limits) could be a factor 10. w. eb . Ryan Shannon, . ICRAR-Curtin/. ATNF (. Vikram. Ravi, Swinburne . Pulsar . Group). Outline. Fast radio bursts (. FRBs) . Exciting times!. FRB 131104 . The . (improbable/real-time) . discovery of an FRB to the Carina dwarf spheroidal. Mysterious explosions in the Universe. Poonam Chandra. Royal Military College of Canada. Universe is 14 billion years old.. Our sun is 5 billion years.. Supernovae and Gamma ray bursts. Explosions lasting fraction of a second to few seconds.. catch a burst and notify other observatoriesboth in space and on the ground of its approx-imate locationWithin minutes HETE-2 mayobtain a precise locationCurrent telescopestake much longer to notify o Liz Hays . (. NASA Goddard Space Flight Center). The Origin of Cosmic Rays. Credit S. . Swordy. Victor Hess and his . “Flight . Ops . Team”, . 1912. From protons. Pion decay. Accelerated protons (p) interact with matter. National Centre for Radio Astrophysics. Tata Institute of Fundamental Research. Poonam Chandra. What are Gamma Ray bursts (GRBs)?. Most energetic events in the universe. Long duration GRBs (t>2s) . R. Faccini. University “La Sapienza” and INFN Rome. Overview. Radio-Guided Surgery(RGS): basic concepts. g. amma probes – briefly. b. eta+ probes. Novel development: beta- RGS. 2. Radioguided. surgery.

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