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Author : Rahul Biswas
Publisher :
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.:/5 (719 download)
Download or read book Search for Gravitational Waves from LIGO-VIRGO Science Run and Data Interpretation written by Rahul Biswas and published by . This book was released on 2010 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michele Maggiore
Publisher : Oxford University Press
ISBN 13 : 0198570740
Total Pages : 573 pages
Book Rating : 4.1/5 (985 download)
Download or read book Gravitational Waves written by Michele Maggiore and published by Oxford University Press. This book was released on 2008 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volumes of 'Gravitational Waves' provide a comprehensive and detailed account of the physics of gravitational waves. Volume 2 discusses what can be learned from gravitational waves in astrophysics and in cosmology, by systematising a large body of theoretical developments that have taken place over the last decades.
Author : James J. Condon
Publisher : Princeton University Press
ISBN 13 : 069113779X
Total Pages : 376 pages
Book Rating : 4.6/5 (911 download)
Download or read book Essential Radio Astronomy written by James J. Condon and published by Princeton University Press. This book was released on 2016-04-05 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ideal text for a one-semester course in radio astronomy Essential Radio Astronomy is the only textbook on the subject specifically designed for a one-semester introductory course for advanced undergraduates or graduate students in astronomy and astrophysics. It starts from first principles in order to fill gaps in students' backgrounds, make teaching easier for professors who are not expert radio astronomers, and provide a useful reference to the essential equations used by practitioners. This unique textbook reflects the fact that students of multiwavelength astronomy typically can afford to spend only one semester studying the observational techniques particular to each wavelength band. Essential Radio Astronomy presents only the most crucial concepts—succinctly and accessibly. It covers the general principles behind radio telescopes, receivers, and digital backends without getting bogged down in engineering details. Emphasizing the physical processes in radio sources, the book's approach is shaped by the view that radio astrophysics owes more to thermodynamics than electromagnetism. Proven in the classroom and generously illustrated throughout, Essential Radio Astronomy is an invaluable resource for students and researchers alike. The only textbook specifically designed for a one-semester course in radio astronomy Starts from first principles Makes teaching easier for astronomy professors who are not expert radio astronomers Emphasizes the physical processes in radio sources Covers the principles behind radio telescopes and receivers Provides the essential equations and fundamental constants used by practitioners Supplementary website includes lecture notes, problem sets, exams, and links to interactive demonstrations An online illustration package is available to professors
Author : Pablo Barneo
Publisher : BOD GmbH DE
ISBN 13 : 8411748979
Total Pages : 186 pages
Book Rating : 4.4/5 (117 download)
Download or read book De-noising of Gravitational-Wave Data written by Pablo Barneo and published by BOD GmbH DE. This book was released on 2024-04-10 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first experimental evidence for the existence of gravitational waves in 2015, the amount of data in this scientific area has increased enormously. There has also been a great deal of interest in the scientific community in gravitational waves. The interferometers, used to capture these waves, need to achieve a high level of instrumental sensitivity to be able to detect and analyse the weak signals emitted by both distant sources of intrinsically high intensity and nearby sources of much lower intensity. High sensitivity is often accompanied by high levels of noise that difficult data analysis. In nowadays interferometers, large amounts of data are recorded with a high percentage of noise from which we attempt to extract the possible gravitational waves buried therein. In this dissertation we propose to use a denoising method based on the minimisation of the total variance of the time series that constitute the data. Known as the ROF method, it assumes that the largest contribution to the total variance of a function comes from noise. In this way, a minimisation of this variance should lead to a drastic reduction in the presence of noise. This denoising procedure helps to improve the detection and data quality of gravitational wave analysis. We have implemented two ROF-based denoising algorithms in a commonly used gravitational-wave analysis software package. The analysis package is known as coherent WaveBurst (cWB) and uses the excess energy from the coherence between data from two or more interferometers to find gravitational waves. The denoising methods are the one-step regularised ROF (rROF), and the iterative rROF procedure (irROF). We have tested both methods using events from the gravitational-wave catalogue of the first three observing periods of the LIGO-Virgo-KAGRA scientific collaboration. These events, named GW1501914, GW151226, GW170817 and GW190521, comprise different wave morphologies of compact binary systems injected at different noise quality levels.
Author : Pablo Barneo
Publisher : BOD GmbH DE
ISBN 13 : 8413737389
Total Pages : 186 pages
Book Rating : 4.4/5 (137 download)
Download or read book De-noising of Gravitational-Wave Data written by Pablo Barneo and published by BOD GmbH DE. This book was released on 2024-03-11 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first experimental evidence for the existence of gravitational waves in 2015, the amount of data in this scientific area has increased enormously. There has also been a great deal of interest in the scientific community in gravitational waves. The interferometers, used to capture these waves, need to achieve a high level of instrumental sensitivity to be able to detect and analyse the weak signals emitted by both distant sources of intrinsically high intensity and nearby sources of much lower intensity. High sensitivity is often accompanied by high levels of noise that difficult data analysis. In nowadays interferometers, large amounts of data are recorded with a high percentage of noise from which we attempt to extract the possible gravitational waves buried therein. In this dissertation we propose to use a denoising method based on the minimisation of the total variance of the time series that constitute the data. Known as the ROF method, it assumes that the largest contribution to the total variance of a function comes from noise. In this way, a minimisation of this variance should lead to a drastic reduction in the presence of noise. This denoising procedure helps to improve the detection and data quality of gravitational wave analysis. We have implemented two ROF-based denoising algorithms in a commonly used gravitational-wave analysis software package. The analysis package is known as coherent WaveBurst (cWB) and uses the excess energy from the coherence between data from two or more interferometers to find gravitational waves. The denoising methods are the one-step regularised ROF (rROF), and the iterative rROF procedure (irROF). We have tested both methods using events from the gravitational-wave catalogue of the first three observing periods of the LIGO-Virgo-KAGRA scientific collaboration. These events, named GW1501914, GW151226, GW170817 and GW190521, comprise different wave morphologies of compact binary systems injected at different noise quality levels.
Author : Anonymous
Publisher : Legare Street Press
ISBN 13 : 9781016407649
Total Pages : 0 pages
Book Rating : 4.4/5 (76 download)
Download or read book The British Chess Magazine; Volume 16 written by Anonymous and published by Legare Street Press. This book was released on 2022-10-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : Waduthanthree Thilina Dayanga
Publisher :
ISBN 13 : 9781303717895
Total Pages : pages
Book Rating : 4.7/5 (178 download)
Download or read book Searching for Gravitational-waves from Compact Binary Coalescences While Dealing with Challenges of Real Data and Simulated Waveforms written by Waduthanthree Thilina Dayanga and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimating GW background play critical role in data analysis. We are still exploring the best way to estimate background of a CBC GW search when one or more signal present in data. In this thesis we try to address this to certain extend through NINJA-2 mock data challenge. However, due to limitations of methods and computer power, for triple coincident GW candidates we only consider loudest two interferometers for background estimation purposes.
Author : Massimo Bassan
Publisher : Springer
ISBN 13 : 3319037927
Total Pages : 392 pages
Book Rating : 4.3/5 (19 download)
Download or read book Advanced Interferometers and the Search for Gravitational Waves written by Massimo Bassan and published by Springer. This book was released on 2014-07-08 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for gravitational radiation with optical interferometers is gaining momentum worldwide. Beside the VIRGO and GEO gravitational wave observatories in Europe and the two LIGOs in the United States, which have operated successfully during the past decade, further observatories are being completed (KAGRA in Japan) or planned (ILIGO in India). The sensitivity of the current observatories, although spectacular, has not allowed direct discovery of gravitational waves. The advanced detectors (Advanced LIGO and Advanced Virgo) at present in the development phase will improve sensitivity by a factor of 10, probing the universe up to 200 Mpc for signal from inspiraling binary compact stars. This book covers all experimental aspects of the search for gravitational radiation with optical interferometers. Every facet of the technological development underlying the evolution of advanced interferometers is thoroughly described, from configuration to optics and coatings and from thermal compensation to suspensions and controls. All key ingredients of an advanced detector are covered, including the solutions implemented in first-generation detectors, their limitations, and how to overcome them. Each issue is addressed with special reference to the solution adopted for Advanced VIRGO but constant attention is also paid to other strategies, in particular those chosen for Advanced LIGO.
Author : Stanislav Babak
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1681737019
Total Pages : 117 pages
Book Rating : 4.6/5 (817 download)
Download or read book Gravitational Waves from Coalescing Binaries written by Stanislav Babak and published by Morgan & Claypool Publishers. This book was released on 2020-04-21 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is to help post-graduate students to get into gravitational wave astronomy. We assume the knowledge of General Relativity theory, though we will concentrate on the physics and often omit mathematically strict derivations. We provide references to already existing literature where possible, this helps us to see a broad picture, skipping the details. The uniqueness of this book is in that it covers three frequency bands and three major world-wide efforts to detect gravitational waves. The LIGO and Virgo scientific collaboration has detected first gravitational waves and the merger of black holes become now almost a routine. We do expect many discoveries yet to come, especially in the joined gravitational and electromagnetic observations. LISA, the space-based gravitational wave observatory, will be launched around 2034 and will be able to detect thousands of GW sources in the milli-Hz band. Pulsar timing array observations have accumulated 20-years' worth of data and we expected detection of GWs in the nano-Hz band within the next decade. We describe the gravitational wave sources and data analysis techniques in each frequency band.
Author : Cosimo Bambi
Publisher : Springer Nature
ISBN 13 : 9811643067
Total Pages : 1895 pages
Book Rating : 4.8/5 (116 download)
Download or read book Handbook of Gravitational Wave Astronomy written by Cosimo Bambi and published by Springer Nature. This book was released on 2022-07-02 with total page 1895 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook provides an updated comprehensive description of gravitational wave astronomy. In the first part, it reviews gravitational wave experiments, from ground and space based laser interferometers to pulsar timing arrays and indirect detection from the cosmic microwave background. In the second part, it discusses a number of astrophysical and cosmological gravitational wave sources, including black holes, neutron stars, possible more exotic objects, and sources in the early Universe. The third part of the book reviews the methods to calculate gravitational waveforms. The fourth and last part of the book covers techniques employed in gravitational wave astronomy data analysis. This book represents both a valuable resource for graduate students and an important reference for researchers in gravitational wave astronomy.
Author : Satyanarayan Ray Pitambar Mohapatra
Publisher :
ISBN 13 :
Total Pages : 271 pages
Book Rating : 4.:/5 (833 download)
Download or read book Searches for Gravitational Waves from Binary Black Hole Coalescences with Ground-based Laser Interferometer Across a Wide Parameter Space written by Satyanarayan Ray Pitambar Mohapatra and published by . This book was released on 2012 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an exciting time for Gravitational Wave (GW) theory and observations. From a theoretical standpoint, the grand-challenge problem of the full evolution of a Binary Black Hole (BBH) system has been solved numerically, and a variety of source simulations are made available steadfastly. On the observational side, the first generation of state-of-the-art GW detectors, LIGO and Virgo, have achieved their design goal, collected data and provided astrophysically meaningful limits. The second generation of detectors are expected to start running by 2015. Inspired by this zeitgeist, this thesis focuses on the detection of potential GW signatures from the coalescence of BBH in ground-based laser interferometers. The LIGO Scientific Collaboration has implemented different algorithms to search for transient GW signatures, targeting different portions of the BBH coalescence waveform. This thesis has used the existing algorithms to study the detection potential of GW from colliding BBH in LIGO in a wide range of source parameters, such as mass and spin of the black holes, using a sample of data from the last two months of the S5 LIGO science run (14 Aug 2007 to 30 Sept 2007). This thesis also uses numerical relativity waveforms made available via the Numerical INJection Analysis project (NINJA). Methods such as the Chirplet based analysis and the use of multivariate classifiers to optimize burst search algorithms have been introduced in this thesis. These performance studies over a wide parameter space were designed to optimize the discovery potential of ground-based GW detectors and defining strategies for the search of BBH signatures in advanced LIGO data, as a step towards the realization of GW astronomy.
Author : Hartmut Grote
Publisher : CRC Press
ISBN 13 : 0429639872
Total Pages : 160 pages
Book Rating : 4.4/5 (296 download)
Download or read book Gravitational Waves written by Hartmut Grote and published by CRC Press. This book was released on 2019-12-23 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The historic detection of gravitational waves on September 14, 2015, prompted by the highly energetic fusion of two black holes, has made events in the universe "audible" for the first time. This expansion of the scientific sensorium has opened a new chapter in astronomy and already led to, among others, fascinating new insights about the abundance of black holes, the collision of neutron stars, and the origin of heavy chemical elements. The history of this event, which is epochal for physics, is reconstructed in this book, along with a walk-through of the main principles of how the detectors operate and a discussion of how the search for gravitational waves is conducted. The book concludes with an update of the latest detections and developments to date and a brief look into the future of this exciting research field. This book is accessible to non-specialist readers from a general audience and is also an excellent introduction to the topic for undergraduates in physics. Features: Provides an introduction to the historic discovery of gravitational waves Explains the inner workings of the detectors and the search to find the waves hidden in the data Authored by a renowned specialist involved in the ground-breaking discovery Hartmut Grote is a Professor of physics at Cardiff University, UK. His main expertise is in experimental gravitational-wave physics, and he has worked on building and improving gravitational wave detectors for over 20 years. From 2009 to 2017, he was the scientific leader of the British-German gravitational-wave detector: GEO600.
Author : David G. Blair
Publisher : Cambridge University Press
ISBN 13 : 9780521021029
Total Pages : 508 pages
Book Rating : 4.0/5 (21 download)
Download or read book The Detection of Gravitational Waves written by David G. Blair and published by Cambridge University Press. This book was released on 2005-10-13 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the concepts of gravitational waves within the context of general relativity. The sources of gravitational radiation for which there is direct observational evidence and those of a more speculative nature are described. He then gives a general introduction to the methods of detection. In the subsequent chapters he has drawn together the leading scientists in the field to give a comprehensive practical and theoretical account of the physics and technology of gravitational wave detection.
Author : Stephen Hawking
Publisher : Cambridge University Press
ISBN 13 : 9780521379762
Total Pages : 712 pages
Book Rating : 4.3/5 (797 download)
Download or read book Three Hundred Years of Gravitation written by Stephen Hawking and published by Cambridge University Press. This book was released on 1987 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of reviews by prominent researchers in cosmology, relativity and particle physics commemorates the 300th anniversary of Newton's Philosophiae Naturalis Principia Mathematica.
Author : B.F. Schutz
Publisher : Springer Science & Business Media
ISBN 13 : 9400911858
Total Pages : 321 pages
Book Rating : 4.4/5 (9 download)
Download or read book Gravitational Wave Data Analysis written by B.F. Schutz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: The articles in this book represent the major contributions at the NATO Advanced Research Workshop that was held from 6 to 9 July 1987 in the magnificent setting of Dyffryn House and Gardens, in St. Nicholas, just outside Cardiff, Wales. The idea for such a meeting arose in discussions that I had in 1985 and 1986 with many of the principal members of the various groups building prototype laser-interferometric gravitational wave detectors. It became clear that the proposals that these groups were planning to submit for large-scale detectors would have to address questions like the following: • What computing hardware might be required to sift through data corning in at rates of several gigabytes per day for gravitational wave events that might last only a second or less and occur as rarely as once a month? • What software would be required for this task, and how much effort would be required to write it? • Given that every group accepted that a worldwide network of detectors operating in co incidence with one another was required in order to provide both convincing evidence of detections of gravitational waves and sufficient information to determine the amplitude and direction of the waves that had been detected, what sort of problems would the necessary data exchanges raise? Yet most of the effort in these groups had, quite naturally, been concentrated on the detector systems.
Author : Adrian Ottewill
Publisher : World Scientific
ISBN 13 : 9814479713
Total Pages : 379 pages
Book Rating : 4.8/5 (144 download)
Download or read book General Relativity And Gravitation - Proceedings Of The 17th International Conference written by Adrian Ottewill and published by World Scientific. This book was released on 2005-11-07 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative volume provides a snapshot of the state of the art in gravitational physics and related mathematical fields, as well as a review of recent achievements and prospects for future work. With contributing authors among the world leaders in their respective fields, this proceedings volume is a worthy addition to this conference series, which constitutes one of the most important international meetings in the areas general relativity and gravitation.
Author : Carlos F. Sopuerta
Publisher : Springer
ISBN 13 : 3319104888
Total Pages : 320 pages
Book Rating : 4.3/5 (191 download)
Download or read book Gravitational Wave Astrophysics written by Carlos F. Sopuerta and published by Springer. This book was released on 2014-12-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers review chapters written by invited speakers of the 3rd Session of the Sant Cugat Forum on Astrophysics - Gravitational Waves Astrophysics. All chapters have been peer reviewed. The book goes beyond normal conference proceedings in that it provides a wide panorama of the astrophysics of gravitational waves and serves as a reference work for researchers in the field.
