Nanohertz Gravitational Wave Astronomy
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Nanohertz Gravitational Wave Astronomy
Author | : Stephen R. Taylor |
Publsiher | : CRC Press |
Total Pages | : 172 |
Release | : 2021-11-23 |
Genre | : Mathematics |
ISBN | : 9781000484762 |
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Nanohertz Gravitational Wave Astronomy explores the exciting hunt for low frequency gravitational waves by using the extraordinary timing precision of pulsars. The book takes the reader on a tour across the expansive gravitational-wave landscape, from LIGO detections to the search for polarization patterns in the Cosmic Microwave Background, then hones in on the band of nanohertz frequencies that Pulsar Timing Arrays (PTAs) are sensitive to. Within this band may lie many pairs of the most massive black holes in the entire Universe, all radiating in chorus to produce a background of gravitational waves. The book shows how such extra-Galactic gravitational waves can alter the arrival times of radio pulses emanating from monitored Galactic pulsars, and how we can use the pattern of correlated timing deviations from many pulsars to tease out the elusive signal. The book takes a pragmatic approach to data analysis, explaining how it is performed in practice within classical and Bayesian statistics, as well as the numerous strategies one can use to optimize numerical Bayesian searches in PTA analyses. It closes with a complete discussion of the data model for nanohertz gravitational wave searches, and an overview of the past achievements, present efforts, and future prospects for PTAs. The book is accessible to upper division undergraduate students and graduate students of astronomy, and also serves as a useful desk reference for experts in the field. Key features: Contains a complete derivation of the pulsar timing response to gravitational waves, and the overlap reduction function for PTAs. Presents a comprehensive overview of source astrophysics, and the dynamical influences that shape the gravitational wave signals that PTAs are sensitive to. Serves as a detailed primer on gravitational-wave data analysis and numerical Bayesian techniques for PTAs.
Gravitational Wave Physics and Astronomy
Author | : Jolien D. E. Creighton,Warren G. Anderson |
Publsiher | : John Wiley & Sons |
Total Pages | : 403 |
Release | : 2012-01-09 |
Genre | : Science |
ISBN | : 9783527636044 |
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This most up-to-date, one-stop reference combines coverage of both theory and observational techniques, with introductory sections to bring all readers up to the same level. Written by outstanding researchers directly involved with the scientific program of the Laser Interferometer Gravitational-Wave Observatory (LIGO), the book begins with a brief review of general relativity before going on to describe the physics of gravitational waves and the astrophysical sources of gravitational radiation. Further sections cover gravitational wave detectors, data analysis, and the outlook of gravitational wave astronomy and astrophysics.
Gravitational Waves
Author | : I. Ciufolini,V. Gorini,U. Moschella,P Fre |
Publsiher | : CRC Press |
Total Pages | : 424 |
Release | : 2001-01-29 |
Genre | : Science |
ISBN | : 9781420034257 |
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Gravitational waves (GWs) are a hot topic and promise to play a central role in astrophysics, cosmology, and theoretical physics. Technological developments have led us to the brink of their direct observation, which could become a reality in the coming years. The direct observation of GWs will open an entirely new field: GW astronomy. This is expe
Gravitational Wave Detection and Data Analysis for Pulsar Timing Arrays
Author | : Rutger van Haasteren |
Publsiher | : Springer Science & Business Media |
Total Pages | : 149 |
Release | : 2013-09-12 |
Genre | : Science |
ISBN | : 9783642395994 |
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Pulsar timing is a promising method for detecting gravitational waves in the nano-Hertz band. In his prize winning Ph.D. thesis Rutger van Haasteren deals with how one takes thousands of seemingly random timing residuals which are measured by pulsar observers, and extracts information about the presence and character of the gravitational waves in the nano-Hertz band that are washing over our Galaxy. The author presents a sophisticated mathematical algorithm that deals with this issue. His algorithm is probably the most well-developed of those that are currently in use in the Pulsar Timing Array community. In chapter 3, the gravitational-wave memory effect is described. This is one of the first descriptions of this interesting effect in relation with pulsar timing, which may become observable in future Pulsar Timing Array projects. The last part of the work is dedicated to an effort to combine the European pulsar timing data sets in order to search for gravitational waves. This study has placed the most stringent limit to date on the intensity of gravitational waves that are produced by pairs of supermassive black holes dancing around each other in distant galaxies, as well as those that may be produced by vibrating cosmic strings. Rutger van Haasteren has won the 2011 GWIC Thesis Prize of the Gravitational Wave International Community for his innovative work in various directions of the search for gravitational waves by pulsar timing. The work is presented in this Ph.D. thesis.
Gravitational Waves A New Window to the Universe
Author | : Rosalba Perna,Bruno Giacomazzo |
Publsiher | : Frontiers Media SA |
Total Pages | : 73 |
Release | : 2021-07-02 |
Genre | : Science |
ISBN | : 9782889669417 |
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Gravitational wave Astronomy
![Gravitational wave Astronomy](https://youbookinc.com/wp-content/uploads/2024/06/cover.jpg)
Author | : Nils Andersson (Astrophysicist) |
Publsiher | : Unknown |
Total Pages | : 135 |
Release | : 2020 |
Genre | : Astronomy |
ISBN | : 0191878073 |
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This introduction to gravitational waves and related astrophysics provides a bridge across the range of astronomy, physics and cosmology that comes into play when trying to understand the gravitational-wave sky. Key ideas are developed step by step, leading up to the technology that caught these faint whispers from the distant universe.
Physics of Gravitational Waves
Author | : Arun Kenath,Chandra Sivaram |
Publsiher | : Springer Nature |
Total Pages | : 61 |
Release | : 2023-05-01 |
Genre | : Science |
ISBN | : 9783031304637 |
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This book provides a concise introduction to the physics of gravitational waves. It is aimed at graduate-level students and PhD scholars. Ever since the discovery of gravitational waves in 2016, gravitational wave astronomy has been adding to our understanding of the universe. Gravitational waves have been detected in the past few years from several transient events such as merging stellar-mass black holes, binary neutron stars, etc. These waves have frequencies in a band ranging from a few hundred hertz to around a kilohertz to which LIGO type instruments are sensitive. LISA will be sensitive to much lower range of frequencies from SMBH mergers. Apart from these cataclysmic burst events, there are innumerable sources of radiation which are continuously emitting gravitational waves of all frequencies. These include a whole mass range of compact binary and isolated compact objects and close planetary stellar entities. This book discusses the gravitational wave background produced in typical frequency ranges from such sources emitting over a Hubble time and the fluctuations in the h values measured in the usual devices. Also discussed are the high-frequency thermal background gravitational radiation from hot stellar interiors and newly formed compact objects. The reader will also learn how gravitational waves provide a testing tool for various theories of gravity, i.e. general relativity and extended theories of gravity, and will be the definitive test for general relativity.
Gravitational Wave Astronomy
Author | : Nicolas Ehiginator |
Publsiher | : Createspace Independent Publishing Platform |
Total Pages | : 116 |
Release | : 2016-09-10 |
Genre | : Electronic Book |
ISBN | : 153760080X |
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Gravitational-wave astronomy is recent sub-field of astronomy using observations of gravitational waves.