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Handbook of nanoHz gravitational wave astronomy
A new window of astronomy, employing Gravitational Waves, opened in the last decade. While such waves of kiloHertz frequencies have been discovered and are being used for astrophysical studies, low frequency waves are being detected, consisting of rapidly spinning massive and compact neutron stars called Pulsar Timing arrays. This field attracts numerous undergraduate and graduate students, but the complex data analysis required for these experiments, as well as understanding of associated statistical concepts, present a barrier for students to meaningfully contribute in this growing field. The focus of the book is to introduce the concepts and tools required for low frequency Gravitational wave (GW) astronomy to undergraduate and graduate students, as well as research scientists from other fields who may be interested in low frequency GW research or pulsar timing techniques.
Key Features:
- A unique compendium for reference targeted at early researchers wanting to familiarize themselves with gravitational wave astronomy in general and nano-Hertz gravitational wave astronomy in particular.
- Suitable also for hands-on teaching and learning experience in advanced elective courses for graduate students as well as in student workshops organised by the IPTA and individual PTAs as well as individual groups involved in PTA experiments.
- Useful reference for astronomers/experts outside the field of nano-Hertz Gravitational waves astronomy to get a feel for this rapidly evolving field.
- Case studies and Jupyter notebooks drawn from the best practices currently adopted in these experiments.
SCIENCE / Space Science / Astronomy, Astronomical observation: observatories, equipment and methods, SCIENCE / Physics / Astrophysics, Cosmology and the universe, Galaxies and stars
A. Review of concepts related to PTA material
1 Introduction – Overview of the book
2 Gravitational Waves – Historical prelude, GW theory, GW sources
3 Radio Pulsars – Brief overview of radio pulsars and phenomenology
4 Frequentist and Bayesian Analysis of data
B. Analysis Technique for PTA experiments
5 Pulsar Timing technique – Concepts and tools (TEMPO2, PINT, TEMPONEST, ENTERPRISE)
6 Noise modeling – Bayesian modeling of single pulsar achromatic and chromatic noise sources
7 Optimal Statistic for Gravitational Wave background search
8 Bayesian models for Gravitational Wave background search
C. Pulsar Timing Array experiments
9 Pulsar Timing Array – Historical prelude, theory and practice of pulsat timing array experiments
10 Current pulsar timing array experiments and International Pulsar Timing Array
11 Search for Gravitational Wave background – recent results
12 Continuous source search – recent results
13 Future and conclusions