PDF-ASTR Spring am aray bursts observations Photons with

Ga ra y sky first stu ie in th 1 s in p rt in itia lly b y th Vela satellites monitoring treaty forbidding nuclear tests in space everal reasonably ellunderstood sources of rays Diffuse component which tracks the gas in the ilky W ay Point sources. Ilir. . Capuni. and Peter . Gacs. Boston University. Introduction. ‘Regular’ transition. A faulty transition. A fault. : a violation of the transition function. Change the state, the tape symbol and move the head arbitrarily. HSTs continuing contribution to gamma-ray bursts. Andrew Levan. University of Warwick. Javier . Gorosabel. . Urkia. . 27 Oct 1969- 21 Apr 2015. A major contributor to the field of gamma-ray bursts from the first afterglows to today. Reionization. by Early Galaxies. Brant E. Robertson, Richard S. Ellis, James S. Dunlop, Ross J. . McLure&Daniel. P. Stark, 'Early star-forming galaxies and the . reionization. of the Universe', Nature November 4, 2010 v 468 . Modern Physics. 5/10/11 . Spring 2011. Ben Miller, Alexander . DeCarli. , Kevin Shaw. What is it?. How do particles become Entangled?. Parametric Down Conversion. A laser (usually ultraviolet for its high frequency) sends a photon through a nonlinear crystal such as Beta Barium Borate. AY 17. 10/19/2011. Outline. What is Multi-messenger astronomy?. Photons. Cosmic Rays. Neutrinos. Gravity-Waves. Sample-Return. Outline. What is Multi-messenger astronomy?. Photons. Cosmic Rays. Neutrinos. GRBs. in the era of . ELTs. Nial . Tanvir. University of Leicester. GRB types. Short duration bursts are suspected of being. (mostly) due . to compact binary mergers. Classical long bursts are associated with core collapse of. “. Coalescence . of Single Photons Emitted by Disparate Single-Photon Sources: The Example of InAs Quantum Dots and Parametric Down-Conversion . Sources. ,. ” . S.V. . . Polyakov. , A. Muller, E.B. Flagg, A. Ling, N. . (not examinable). BB84 . protocol (simplified). Alice sends a sequence of photons to Bob, each polarised in one of several directions. If Eve eavesdrops on some of them, they may randomly change their direction of polarisation. 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. 8:00am . Talks, nominally 15 minutes, with time for questions and discussion. ..  . Jim Moum / BAMS outline. . Aurélie. Moulin / diurnal warm layer. Bill Smyth. Alan . Brewer.  . 9. :30 . coffee. 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.. . E. x. ecut. i. on. Conditional. . Steps. Output:. Sma. l. ler. Finis. Program:. x =. . 5. if . x <. . 10:. print. . 'Smaller’. if . x >. . 20:. print. . 'Bigger'. print. . 'Finis'. x =. 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 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) .