scispace - formally typeset
Open AccessJournal ArticleDOI

The International Pulsar Timing Array project: using pulsars as a gravitational wave detector

George Hobbs, +62 more
- 06 Apr 2010 - 
- Vol. 27, Iss: 8, pp 084013
TLDR
The International Pulsar Timing Array (IPTA) project as mentioned in this paper combines observations of pulsars from both northern and southern hemisphere observatories with the main aim of detecting ultra-low frequency (similar to 10(-9)-10(-8) Hz) gravitational waves.
Abstract
The International Pulsar Timing Array project combines observations of pulsars from both northern and southern hemisphere observatories with the main aim of detecting ultra-low frequency (similar to 10(-9)-10(-8) Hz) gravitational waves. Here we introduce the project, review the methods used to search for gravitational waves emitted from coalescing supermassive binary black-hole systems in the centres of merging galaxies and discuss the status of the project.

read more

Citations
More filters
Journal ArticleDOI

Cosmological Backgrounds of Gravitational Waves

TL;DR: In this article, the authors review early universe sources that can lead to cosmological backgrounds of GWs and discuss the basic characteristics of present and future GW detectors, including advanced LIGO, advanced Virgo, the Einstein telescope, KAGRA, and LISA.
Journal ArticleDOI

The International Pulsar Timing Array: First Data Release

Joris P. W. Verbiest, +106 more
TL;DR: In this article, the first joint analysis of the data from the three regional pulsar timing arrays (IPTA) is presented, i.e. of the first IPTA data set, and the approach presently followed for its combination and suggest improvements for future PTA research.
Journal ArticleDOI

The NANOGrav Nine-year Data Set: Limits on the Isotropic Stochastic Gravitational Wave Background

Zaven Arzoumanian, +56 more
TL;DR: In this paper, the authors compute upper limits on the nanohertz-frequency isotropic stochastic gravitational wave background (GWB) using the 9-year data set from the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) collaboration.
References
More filters
Journal ArticleDOI

Observation of a Rapidly Pulsating Radio Source

TL;DR: In this article, the first report of a curious class of astronomical radio sources, distinguished by their rapid and extremely regular pulsations, was made by Hewish et al. They are now understood to be rapidly rotating, magnetized neutron stars, or pulsars.
Journal ArticleDOI

Discovery of a pulsar in a binary system

TL;DR: In this paper, a pulsar with a pulsation period that varies systematically between 0.058967 and 0.59045 sec over a cycle of 0.3230 d was detected.
Journal ArticleDOI

A planetary system around the millisecond pulsar PSR1257 + 12

TL;DR: In this article, the authors used the 305m Arecibo radiotelescope to make precise timing measurements of pulses from the recently discovered 6.2-ms pulsar PSR1257 +12 (ref. 2).
Book

Handbook of Pulsar Astronomy

TL;DR: In this paper, theoretical background for pulsar observations is described. But pulsars as physical tools are not used as a physical tool for the measurement of pulsar properties.
Journal ArticleDOI

Gravitational wave experiments and early universe cosmology

TL;DR: In this paper, a pedagogical derivation of the various relations that characterize the response of a detector to a stochastic background is given, and the sensitivities of the large interferometers under constructions (LIGO, VIRGO, GEO600, TAMA300, AIGO) or planned (Avdanced LIGO and presently operating resonant bars).
Related Papers (5)

Observation of Gravitational Waves from a Binary Black Hole Merger

B. P. Abbott, +1011 more