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Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era


Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era
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Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era


Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era
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Author : Giulia Stratta
language : en
Publisher: MDPI
Release Date : 2019-09-30

Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era written by Giulia Stratta and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-30 with Science categories.


The book starts with a review of the established facts on the numerical simulations of binary neutron star mergers and simulations of short GRB jets that highlights the issues that need to be revised and further clarified, as the need to understand how the relativistic outflow was launched, what the initial structure of the outflow is, and how it evolved through its interaction with the binary ejecta. Constraints on a local population of faint short duration GRBs are then provided in light of the GW170817/GRB 170817A event at d~40 Mpc by considering statistical limits on a d < 200 Mpc population. Using past and current GRB detectors, results suggest that GRB 170817A-like events are likely to be rare in existing short GRB catalogues and, if binary neutron star merger rates are at the high end of current estimates, then at most a few percent will be accompanied by detectable gamma-ray flashes in the forthcoming LIGO/Virgo science runs. Indirect information on the nature of short GRBs can be obtained from their host galaxy. The host galaxies of most short GRBs are found to be star-forming, but an important fraction, ∼1/5, are elliptical with negligible star formation. Short bursts often occur at very large off-sets from their hosts, in regions where there is little or no underlying host light. These results provide evidence of progenitors associated with merger of compact object binaries with kick velocities of a few tens of km/s and merger times of ∼1 Gyr. The last two issues of the book tackle the physics of the short GRB radiative processes. Interestingly, it was already noted in the past that the prompt emission for short GRBs and the initial 2 s of long-duration GRBs show similarity in the low energy photon index. This result has been further confirmed using a larger sample of Fermi Gamma-ray burst monitor data. In particular, it has been found that for 25% of GRBs, the photon index is shallower than −2/3, challenging the standard synchrotron emission scenario. The extent up to which the reverse shock component is detectable for short GRBs in radio wavelengths is analyzed. Results show that early, radio bright reverse shock is expected in many cases, but more rapid follow-up observational campaigns are required in order to test these predictions.



Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era


Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era
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Author :
language : en
Publisher: Mdpi AG
Release Date : 2019-09-26

Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era written by and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-26 with Science categories.


The book starts with a review of the established facts on the numerical simulations of binary neutron star mergers and simulations of short GRB jets that highlights the issues that need to be revised and further clarified, as the need to understand how the relativistic outflow was launched, what the initial structure of the outflow is, and how it evolved through its interaction with the binary ejecta. Constraints on a local population of faint short duration GRBs are then provided in light of the GW170817/GRB 170817A event at d 40 Mpc by considering statistical limits on a d Fermi Gamma-ray burst monitor data. In particular, it has been found that for 25% of GRBs, the photon index is shallower than -2/3, challenging the standard synchrotron emission scenario. The extent up to which the reverse shock component is detectable for short GRBs in radio wavelengths is analyzed. Results show that early, radio bright reverse shock is expected in many cases, but more rapid follow-up observational campaigns are required in order to test these predictions.



Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era


Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era
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Author : Giulia Stratta
language : en
Publisher:
Release Date : 2019

Observations And Theory Of Short Grbs At The Dawn Of The Gravitational Wave Era written by Giulia Stratta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Electronic books categories.


The book starts with a review of the established facts on the numerical simulations of binary neutron star mergers and simulations of short GRB jets that highlights the issues that need to be revised and further clarified, as the need to understand how the relativistic outflow was launched, what the initial structure of the outflow is, and how it evolved through its interaction with the binary ejecta. Constraints on a local population of faint short duration GRBs are then provided in light of the GW170817/GRB 170817A event at d~40 Mpc by considering statistical limits on a d



The Physics And Astrophysics Of Neutron Stars


The Physics And Astrophysics Of Neutron Stars
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Author : Luciano Rezzolla
language : en
Publisher: Springer
Release Date : 2019-01-09

The Physics And Astrophysics Of Neutron Stars written by Luciano Rezzolla and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-09 with Science categories.


This book summarizes the recent progress in the physics and astrophysics of neutron stars and, most importantly, it identifies and develops effective strategies to explore, both theoretically and observationally, the many remaining open questions in the field. Because of its significance in the solution of many fundamental questions in nuclear physics, astrophysics and gravitational physics, the study of neutron stars has seen enormous progress over the last years and has been very successful in improving our understanding in these fascinating compact objects. The book addresses a wide spectrum of readers, from students to senior researchers. Thirteen chapters written by internationally renowned experts offer a thorough overview of the various facets of this interdisciplinary science, from neutron star formation in supernovae, pulsars, equations of state super dense matter, gravitational wave emission, to alternative theories of gravity. The book was initiated by the European Cooperation in Science and Technology (COST) Action MP1304 “Exploring fundamental physics with compact stars” (NewCompStar).



Pathways To Discovery In Astronomy And Astrophysics For The 2020s


Pathways To Discovery In Astronomy And Astrophysics For The 2020s
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher:
Release Date : 2022-08-04

Pathways To Discovery In Astronomy And Astrophysics For The 2020s written by National Academies of Sciences, Engineering, and Medicine and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-04 with Science categories.


The steering committee was specifically asked to (1) provide an overview of the current state of astronomy and astrophysics science, and technology research in support of that science, with connections to other scientific areas where appropriate; (2) identify the most compelling science challenges and frontiers in astronomy and astrophysics, which shall motivate the committee’s strategy for the future; (3) develop a comprehensive research strategy to advance the frontiers of astronomy and astrophysics for the period 2022-2032 that will include identifying, recommending, and ranking the highest-priority research activities; (4) utilize and recommend decision rules, where appropriate, that can accommodate significant but reasonable deviations in the projected budget or changes in urgency precipitated by new discoveries or unanticipated competitive activities; (5) assess the state of the profession, including workforce and demographic issues in the field, identify areas of concern and importance to the community, and where possible, provide specific, actionable, and practical recommendations to the agencies and community to address these areas. This report proposes a broad, integrated plan for space- and ground-based astronomy and astrophysics for the decade 2023-2032. It also lays the foundations for further advances in the following decade.



Astroparticle Physics


Astroparticle Physics
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Author : Claus Grupen
language : en
Publisher: Springer Nature
Release Date : 2020-01-27

Astroparticle Physics written by Claus Grupen and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-27 with Science categories.


This second, revised and thoroughly updated edition of the successful textbook by Claus Grupen describes the branch of astrophysics known as astroparticle physics. Using experimental methods known from cosmic ray and particle physics, astroparticle physics investigates processes of highest energies taking place in the universe. The new edition reports on progress made by recent discoveries in gravitational wave astronomy and neutrino astronomy (including all details needed to understand recent discoveries in multi-messenger experiments) and also astrobiology. After a historical introduction to the basics of elementary particles the author describes their interactions and the relevant detection techniques. The main body of the book concerns cosmic rays as well as particle processes in astrophysics and cosmology including the physics of the early universe. The book provides an orientation in the field of astroparticle physics that many beginners might be looking for.It also presents new sections exploring the interface between particle physics and cosmic radiation and illustrates the impact of particle physics discoveries to astroparticle physics. The physics is presented using little mathematics, and the results are illustrated by many diagrams and illustrative scientific cartoons which ease the reading of the book. Closing the gap between expert and popular level, the book is highly recommended for undergraduate students in physics or astronomy. It also includes an extensive glossary and a detailed index.



The Detection Of Gravitational Waves


The Detection Of Gravitational Waves
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Author : David G. Blair
language : en
Publisher: Cambridge University Press
Release Date : 1991-07-25

The Detection Of Gravitational Waves written by David G. Blair and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-07-25 with Science categories.


Gravitational radiation has not been positively detected. Over the past two decades an army of extremely sensitive detectors has been built up, so that today its detection appears inevitable. In the opening chapters of this 1991 book David Blair introduces the concepts of gravitational waves within the context of general relativity.



Modern Cosmology


Modern Cosmology
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Author : Scott Dodelson
language : en
Publisher: Academic Press
Release Date : 2003-03-13

Modern Cosmology written by Scott Dodelson and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-03-13 with Science categories.


An advanced text for senior undergraduates, graduate students and physical scientists in fields outside cosmology. This is a self-contained book focusing on the linear theory of the evolution of density perturbations in the universe, and the anisotropiesin the cosmic microwave background.



Gravitational Waves In Physics And Astrophysics


Gravitational Waves In Physics And Astrophysics
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Author : M. Coleman Miller
language : en
Publisher:
Release Date : 2021

Gravitational Waves In Physics And Astrophysics written by M. Coleman Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Gravitational waves categories.


The direct detection of gravitational waves in 2015 has initiated a new era of gravitational wave astronomy, which has already paid remarkable dividends in our understanding of astrophysics and gravitational physics. Aimed at advanced undergraduates and graduate students, this book introduces gravitational waves and its many applications to cosmology, nuclear physics, astrophysics and theoretical physics.



Optical Coatings And Thermal Noise In Precision Measurement


Optical Coatings And Thermal Noise In Precision Measurement
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Author : Gregory Harry
language : en
Publisher: Cambridge University Press
Release Date : 2012-01-12

Optical Coatings And Thermal Noise In Precision Measurement written by Gregory Harry and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-12 with Science categories.


Thermal noise from optical coatings is a growing area of concern and overcoming limits to the sensitivity of high precision measurements by thermal noise is one of the greatest challenges faced by experimental physicists. In this timely book, internationally renowned scientists and engineers examine our current theoretical and experimental understanding. Beginning with the theory of thermal noise in mirrors and substrates, subsequent chapters discuss the technology of depositing coatings and state-of-the-art dielectric coating techniques used in precision measurement. Applications and remedies for noise reduction are also covered. Individual chapters are dedicated to specific fields where coating thermal noise is a particular concern, including the areas of quantum optics/optomechanics, gravitational wave detection, precision timing, high-precision laser stabilisation via optical cavities and cavity quantum electrodynamics. While providing full mathematical detail, the text avoids field-specific jargon, making it a valuable resource for readers with varied backgrounds in modern optics.