PPT-GAMMA-RAY COMPACT BINARIES*

ASTROPHYSICAL SCENARIOS Félix Mirabel Neutron stars amp Black holes in stellar binary systems that radiate in gammarays Will not refer to other types gammaray . Varun Bhalerao. California Institute of Technology. Collaborators: F. Harrison, S. . Kulkarni. , Marten van . Kerkwijk. , and others. Weighing in on Neutron Stars. Varun Bhalerao. Why?. How?. What?. Classes of objects. ASTROPHYSICAL SCENARIOS. Félix Mirabel. CEA-Saclay-France . *. Neutron stars & Black . holes. in . stellar. . binary. . systems. . that. . radiate. in gamma-rays.. (Will not . refer. 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. and self enrichment of globular clusters. Norbert Langer (. Bonn). Onno Pols (. Utrecht). Rob Izzard (. Brussels). Selma de Mink. Utrecht . . Bonn . . . STScI. (. N. ov 2010). A&A 507, 1 (2009). Manel. Martinez. 4. 3. rd. . Winter Meeting. March 2015-Benasque. Outline. 1) Introduction. 2) Basics on VHE Gamma Astronomy physics. 3) VHE gamma observatories. 4) CTA. 5. ) Conclusions. 1) INTRODUCTION. . Wei Wang. National Astronomical Observatories, . B. eijing China. The IAU XXVII General Assembly, Beijing August 20-31 2012. IAUS 291 . Neutron stars and pulsars: Challenges and opportunities after 80 Years. with matter. Interaction of x-ray photons with matter. . When a beam of x-ray photons passes through matter, its intensity (energy . –. or number of x-ray photons - flowing per second) is reduced: . 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.. (. GammaSIG. ). (. PhysPAG. ). 231. st. AAS. Meeting (2018). Sylvain Guiriec . –. . sguiriec@gwu.edu. Gamma-ray Science Interest Group. (. GammaSIG. ). 2018/01/08. Agenda. PhysPAG. /. GammaSIG. “The e-ASTROGAM mission (exploring the extreme Universe with gamma rays in the MeV-GeV range)”. 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) . . Matthew Erenpreiss. Ohio Department of Natural Resources. Division of Geological Survey. Utica . Shale Play Book Study Workshop. Canonsburg, PA. July 14, 2015. Outline. Background. Spectral Gamma-Ray Scanner. Flashes. Gamma Ray . Astronomy. . Beginning. started . as a small budget research program in 1959. monitor. ing. compliance with the 1963 Partial Test Ban Treaty by the Soviet Union, and other nuclear-capable states. Marie-Laure Mauborgne. SLB. CSG17 – July 17. th. 2023. 1. Founded by a physicist and an engineer in 1926 to conduct the first geophysical measurements of rock formations . What is SLB?. (former Schlumberger).