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Related papers: The Parkes Pulsar Timing Array Project

200 papers

Pulsar timing arrays (PTAs) are anticipated to detect the stochastic gravitational wave background (GWB) from supermassive binary black holes (BBHs) as well as the gravitational waves from individual BBHs. Recently, a common process signal…

High Energy Astrophysical Phenomena · Physics 2023-06-21 Yunfeng Chen , Qingjuan Yu , Youjun Lu

We provide an observation method for gravitational waves using a pulsar timing array to extend the observational frequency range up to the rotational frequency of pulsars. For this purpose, we perform an analysis of a perturbed…

General Relativity and Quantum Cosmology · Physics 2022-02-04 Chan Park

Pulsar timing arrays (PTAs) and the Laser Interferometer Space Antenna (LISA) will open complementary observational windows on massive black-hole binaries (MBHBs), i.e., with masses in the range $\sim 10^6 - 10^{10}\,$ M$_{\odot}$. While…

Pulsar Timing Arrays (PTAs) are rapidly advancing toward the detection of continuous gravitational waves from individual supermassive binary black holes. While it is well established that coherently utilizing the ``pulsar term" requires…

Astrophysics of Galaxies · Physics 2026-04-30 Chao-Fan Wen , Yi-Qin Chen , Shi-Yi Zhao , Hao Ding , Xingjiang Zhu

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

Pulsar timing arrays (PTAs) are searching for nanohertz-frequency gravitational waves (GWs) through cross-correlation of pulse arrival times from a set of radio pulsars. PTAs have relied upon a frequency-shift formula of the pulse, where…

High Energy Astrophysical Phenomena · Physics 2024-07-03 Ryousuke Kubo , Kakeru Yamahira , Hideki Asada

Pulsar Timing Array (PTA) observations hinted towards the existence of a stochastic gravitational wave background (SGWB) in the nHz frequency band. Still, the nature of the SGWB signal cannot be confidently inferred from current data, and…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-04 Stanislav Babak , Mikel Falxa , Gabriele Franciolini , Mauro Pieroni

Dense, continuous pulsar timing observations over a 24-hr period provide a method for probing intermediate gravitational wave (GW) frequencies from 10 microhertz to 20 millihertz. The European Pulsar Timing Array (EPTA), the North American…

A new detection method for ultra-low frequency gravitational waves (GWs) with a frequency much lower than the observational range of pulsar timing arrays (PTAs) was suggested in Yonemaru et al. (2016). In the PTA analysis, ultra-low…

High Energy Astrophysical Phenomena · Physics 2018-05-02 Naoyuki Yonemaru , Hiroki Kumamoto , Keitaro Takahashi , Sachiko Kuroyanagi

Pulsars are wonderful gravitational probes. Their tiny size and stellar mass give their rotation periods a stablility comparable to that of atomic frequency standards. This is especially true of the rapidly rotating "millisecond pulsars"…

General Relativity and Quantum Cosmology · Physics 2015-04-21 R. N. Manchester

The Square Kilometre Array (SKA) is a planned multi purpose radio telescope with a collecting area approaching 1 million square metres. One of the key science objectives of the SKA is to provide exquisite strong-field tests of gravitational…

Astrophysics · Physics 2015-05-13 R. Smits , M. Kramer , B. Stappers , D. R. Lorimer , J. Cordes , A. Faulkner

This paper describes a comprehensive measurement model for the error budget of pulse arrival times with emphasis on intrinsic pulse jitterand plasma propagation effects (particularly interstellar scattering), which are stochastic in time…

Instrumentation and Methods for Astrophysics · Physics 2010-10-20 J. M. Cordes , R. M. Shannon

Pulsar glitch is a phenomenon characterized by abrupt changes in the spin period over less than a minute. We present a comprehensive analysis of glitches in four gamma-ray pulsars by combining the timing observation data from \textit{Fermi}…

High Energy Astrophysical Phenomena · Physics 2025-01-17 P. Liu , J. -P. Yuan , M. -Y. Ge , W. -T. Ye , S. -Q. Zhou , S. -J. Dang , Z. -R. Zhou , E. Gügercinoğlu , Z. H. Tu , P. Wang , A. Li , D. Li , N. Wang

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

We describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the {\em Fermi Gamma-ray Space Telescope} (formerly GLAST). The detection and study of pulsars in gamma rays give insights into the populations of…

We present the largest single survey to date of average profiles of radio pulsars, observed and processed using the same telescope and data reduction software. Specifically, we present measurements for 1170 pulsars, observed by the Thousand…

The sensitivity of Pulsar Timing Arrays to gravitational waves depends on the noise present in the individual pulsar timing data. Noise may be either intrinsic or extrinsic to the pulsar. Intrinsic sources of noise will include rotational…

We discovered four millisecond pulsars (MSPs) in searches of 80 $\gamma$-ray sources conducted from 2015 to 2017 with the Murriyang radio telescope of the Parkes Observatory. We provide an overview of the survey and focus on the results of…

State-of-the-art searches for gravitational waves (GWs) in pulsar timing array (PTA) datasets model the signal as an isotropic, Gaussian and stationary process described by a power-law. In practice, none of these properties are expected to…

High Energy Astrophysical Phenomena · Physics 2024-03-25 Serena Valtolina , Golam Shaifullah , Anuradha Samajdar , Alberto Sesana

Over the past 13 years, the Parkes radio telescope has observed a large number of pulsars using digital filterbank backends with high time and frequency resolution and the capability for Stokes recording. Here we use archival data to…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Simon Johnston , Matthew Kerr
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