English
Related papers

Related papers: Using Pulsar Parameter Drifts to Detect Sub-Nanohe…

200 papers

The maximum frequency of gravitational waves (GWs) detectable with traditional pulsar timing methods is set by the Nyquist frequency ($f_{\rm{Ny}}$) of the observation. Beyond this frequency, GWs leave no temporal-correlated signals;…

Instrumentation and Methods for Astrophysics · Physics 2016-05-17 S. -X Yi , S. -N. Zhang

We propose a tunable resonant sensor to detect gravitational waves in the frequency range of 50-300 kHz using optically trapped and cooled dielectric microspheres or micro-discs. The technique we describe can exceed the sensitivity of…

General Relativity and Quantum Cosmology · Physics 2015-06-05 Asimina Arvanitaki , Andrew A. Geraci

Direct detection of gravitational waves by pulsar timing arrays will become feasible over the next few years. In the low frequency regime ($10^{-7}$ Hz -- $10^{-9}$ Hz), we expect that a superposition of gravitational waves from many…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Justin Ellis , Xavier Siemens , Rutger van Haasteren

The use of a high precision pulsar timing array is a promising approach to detecting gravitational waves in the very low frequency regime ($10^{-6} -10^{-9}$ Hz) that is complementary to the ground-based efforts (e.g., LIGO, Virgo) at high…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Yan Wang , Soumya D. Mohanty , Fredrick A. Jenet

The relationship between pulsar-like compact stars and gravitational waves is briefly reviewed. Due to regular spins, pulsars could be useful tools for us to detect ~nano-Hz low-frequency gravitational waves by pulsar-timing array…

High Energy Astrophysical Phenomena · Physics 2011-09-14 K. J. Lee , R. X. Xu , G. J. Qiao

Efforts to detect gravitational waves by timing an array of pulsars have focused traditionally on stationary gravitational waves: e.g., stochastic or periodic signals. Gravitational wave bursts --- signals whose duration is much shorter…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Lee Samuel Finn , Andrea N. Lommen

Gravitational Waves (GWs) are tiny ripples in the fabric of space-time predicted by Einstein's General Relativity. Pulsar timing arrays (PTAs) are well poised to detect low frequency ($10^{-9}$ -- $10^{-7}$ Hz) GWs in the near future. There…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 J. A. Ellis , F. A. Jenet , M. A. McLaughlin

The International Pulsar Timing Array 2nd data release is the combination of datasets from worldwide collaborations. In this study, we search for continuous waves: gravitational wave signals produced by individual supermassive black hole…

General Relativity and Quantum Cosmology · Physics 2023-03-29 M. Falxa , S. Babak , P. T. Baker , B. Bécsy , A. Chalumeau , S. Chen , Z. Chen , N. J. Cornish , L. Guillemot , J. S. Hazboun , C. M. F. Mingarelli , A. Parthasarathy , A. Petiteau , N. S. Pol , A. Sesana , S. B. Spolaor , S. R. Taylor , G. Theureau , M. Vallisneri , S. J. Vigeland , C. A. Witt , X. Zhu , J. Antoniadis , Z. Arzoumanian , M. Bailes , N. D. R. Bhat , L. Blecha , A. Brazier , P. R. Brook , N. Caballero , A. D. Cameron , J. A. Casey-Clyde , D. Champion , M. Charisi , S. Chatterjee , I. Cognard , J. M. Cordes , F. Crawford , H. T. Cromartie , K. Crowter , S. Dai , M. E. DeCesar , P. B. Demorest , G. Desvignes , T. Dolch , B. Drachler , Y. Feng , E. C. Ferrara , W. Fiore , E. Fonseca , N. Garver-Daniels , J. Glaser , B. Goncharov , D. C. Good , J. Griessmeier , Y. J. Guo , K. Gültekin , G. Hobbs , H. Hu , K. Islo , J. Jang , R. J. Jennings , A. D. Johnson , M. L. Jones , J. Kaczmarek , A. R. Kaiser , D. L. Kaplan , M. Keith , L. Z. Kelley , M. Kerr , J. S. Key , N. Laal , M. T. Lam , W. G. Lamb , T. J. W. Lazio , K. Liu , T. Liu , J. Luo , R. S. Lynch , D. R. Madison , R. Main , R. Manchester , A. McEwen , J. McKee , M. A. McLaughlin , C. Ng , D. J. Nice , S. Ocker , K. D. Olum , S. Osłowski , T. T. Pennucci , B. B. P. Perera , D. Perrodin , N. Porayko , A. Possenti , H. Quelquejay-Leclere , S. M. Ransom , P. S. Ray , D. J. Reardon , C. J. Russell , A. Samajdar , J. Sarkissian , L. Schult , G. Shaifullah , R. M. Shannon , B. J. Shapiro-Albert , X. Siemens , J. J. Simon , M. Siwek , T. L. Smith , L. Speri , R. Spiewak , I. H. Stairs , B. Stappers , D. R. Stinebring , J. K. Swiggum , C. Tiburzi , J. Turner , A. Vecchio , J. P. W. Verbiest , H. Wahl , S. Q. Wang , J. Wang , J. Wang , Z. Wu , L. Zhang , S. Zhang

This article aims at clarifying the situation about astrophysical sources that might be observed with haloscope experiments sensitive to gravitational waves in the 1-10 GHz band. The GrAHal setup is taken as a benchmark. We follow a very…

General Relativity and Quantum Cosmology · Physics 2025-03-13 Aurélien Barrau , Juan García-Bellido , Thierry Grenet , Killian Martineau

Abbreviated: We investigate the potential of detecting the gravitational wave from individual binary black hole systems using pulsar timing arrays (PTAs) and calculate the accuracy for determining the GW properties. This is done in a…

High Energy Astrophysical Phenomena · Physics 2015-05-27 K. J. Lee , N. Wex , M. Kramer , B. W. Stappers , C. G. Bassa , G. H. Janssen , R. Karuppusamy , R. Smits

Pulsars, especially millisecond pulsars, are intrinsically very stable celestial clocks, and their great pulse period stability open up a wide range of potential applications to astronomical phenomena, such as a natural detector for very…

High Energy Astrophysical Phenomena · Physics 2014-12-10 Joan Jing Wang , Hsiang-Kuang Chang

We present an analysis of high-precision pulsar timing data taken as part of the North American Nanohertz Observatory for Gravitational waves (NANOGrav) project. We have observed 17 pulsars for a span of roughly five years using the Green…

We assess the detectability of a nanohertz gravitational wave (GW) background with respect to additive red and white noise in the timing of millisecond pulsars. We develop detection criteria based on the cross-correlation function summed…

Astrophysics of Galaxies · Physics 2015-05-28 J. M. Cordes , R. M. Shannon

The standard technique for very low-frequency gravitational wave detection is mainly based on searching for a specific spatial correlation in the variation of the times of arrival of the radio pulses emitted by millisecond pulsars with…

Astrophysics of Galaxies · Physics 2022-12-13 Michele Maiorano , Francesco De Paolis , Achille A. Nucita

Pulsar timing experiments aimed at the detection of gravitational radiation have been performed for decades now. With the forthcoming construction of large arrays capable of tracking multiple millisecond pulsars, it is very likely we will…

General Relativity and Quantum Cosmology · Physics 2015-05-27 Marcio Eduardo da Silva Alves , Massimo Tinto

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project currently observes 43 pulsars using the Green Bank and Arecibo radio telescopes. In this work we use a subset of 17 pulsars timed for a span of roughly five…

Precision timing of highly stable milli-second pulsars is a promising technique for the detection of very low frequency sources of gravitational waves. In any single pulsar, a stochastic gravitational wave signal appears as an additional…

General Relativity and Quantum Cosmology · Physics 2016-06-01 Neil J. Cornish , Laura M. Sampson

The sensitivity of pulsar timing arrays to gravitational waves is, at some level, limited by timing noise. Red timing noise - the stochastic wandering of pulse arrival times with a red spectrum - is prevalent in slow-spinning pulsars and…

High Energy Astrophysical Phenomena · Physics 2015-06-24 Paul D. Lasky , Andrew Melatos , Vikram Ravi , George Hobbs

We estimate the sensitivity to nano-Hertz gravitational waves of pulsar timing experiments in which two highly-stable millisecond pulsars are tracked simultaneously with two neighboring radio telescopes that are referenced to the same…

General Relativity and Quantum Cosmology · Physics 2011-05-23 Massimo Tinto

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is a consortium of astronomers whose goal is the creation of a galactic scale gravitational wave observatory sensitive to gravitational waves in the nHz-microHz…