
Abstract 
1 
A New Window onto the Universe 

1.1 
Birth of gravitational
astronomy 

1.2 
What this review is about 
2 
Gravitational Wave
Observables 

2.1 
Gravitational field vs gravitational waves 

2.2 
Gravitational
wave polarizations 

2.3 
Direction to a source 

2.4 
Amplitude of gravitational
waves – the quadrupole approximation 

2.5 
Frequency of gravitational
waves 

2.6 
Luminosity in gravitational waves 
3 
Sources of Gravitational
Waves 

3.1 
Manmade sources 

3.2 
Gravitational wave bursts from gravitational
collapse 

3.3 
Gravitational wave pulsars 

3.4 
Radiation from a binary
star system 

3.5 
Quasinormal modes of a black hole 

3.6 
Stochastic
background 
4 
Gravitational Wave Detectors and Their Sensitivity 

4.1 
Principles
of the operation of resonant mass detectors 

4.2 
Principles of the
operation of beam detectors 

4.3 
Practical issues of groundbased
interferometers 

4.4 
Detection from space 

4.5 
Characterizing the sensitivity of
a gravitational wave antenna 

4.6 
Source amplitudes vs sensitivity 

4.7 
Network
detection 

4.8 
False alarms, detection threshold and coincident
observation 
5 
Data Analysis 

5.1 
Matched filtering and optimal signaltonoise
ratio 

5.2 
Suboptimal filtering methods 

5.3 
Measurement of parameters
and source reconstruction 
6 
Physics with Gravitational Waves 

6.1 
Speed of
gravitational waves 

6.2 
Polarization of gravitational waves 

6.3 
Gravitational
radiation reaction 

6.4 
Black hole spectroscopy 

6.5 
The twobody problem
in general relativity 

6.6 
Tests of general relativity 
7 
Astrophysics
with Gravitational Waves 

7.1 
Interacting compact binaries 

7.2 
Black
hole astrophysics 

7.3 
Neutron star astrophysics 

7.4 
Multimessenger
gravitationalwave astronomy 
8 
Cosmology with Gravitational Wave
Observations 

8.1 
Detecting a stochastic gravitational wave background 

8.2 
Origin
of a random background of gravitational waves 

8.3 
Cosmography:
gravitational wave measurements of cosmological parameters 
9 
Conclusions
and Future Directions 
10 
Acknowledgements 

References 

Footnotes 

Figures 

Tables 