activity
20202026
most citedSearch for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array

1.2k citations · 2.1k across the 16 of their papers we have counts for

collaborators

18 papers

astro-ph.HE2026

Discovery of Two Consecutive Profile Change Events in the Millisecond Pulsar PSR J0437-4715

Rami F. Mandow, Andrew Zic, J. R. Dawson +19

The closest and brightest millisecond pulsar (MSP), PSR J0437-4715, is a high-priority pulsar for precision timing experiments, including the Parkes Pulsar Timing Array (PPTA) proj…

astro-ph.HE2026

Nanohertz Gravitational-Wave Constraints on Supermassive Binary Black Holes at Cosmic Dawn

Yiqin Chen, Shi-Yi Zhao, Xingjiang Zhu +16

Standard continuous gravitational-wave searches with pulsar timing arrays (PTAs) neglect cosmological redshift, restricting their applicability to the local Universe. We introduce…

astro-ph.IM2026

Rapid Response Triggering for Radio Transients with the SKA Observatory

G. E. Anderson, S. I. Chastain, A. P. Curtin +10

Rapid-response triggering is when a telescope is able to automatically respond to an external or internal astronomical transient alert, causing it to rapidly repoint at that positi…

astro-ph.HE2026★ 4 cited

Searching for Anisotropy in the Gravitational Wave Background Using the Parkes Pulsar Timing Array

Yiqin Chen, Shi-Yi Zhao, Zhi-Zhang Peng +17

In recent years, several pulsar timing array collaborations have reported evidence for a nanohertz gravitational wave background (GWB). Such a background signal could be produced b…

astro-ph.HE2025★ 1 cited

Frequency- and phase-resolved polarimetry of millisecond pulsars and its application to timing

Małgorzata Curyło, Andrew Zic, Shuangqiang Wang +16

Pulsar timing is used for a variety of applications including tests of fundamental physics, probing the structure of neutron stars, and detecting nanohertz gravitational waves. Dev…

astro-ph.HE2025★ 5 cited

Ultra-Wideband Polarimetry of the April 2021 Profile Change Event in PSR J1713+0747

Rami F. Mandow, Andrew Zic, J. R. Dawson +15

The millisecond pulsar PSR J1713+0747 is a high-priority target for pulsar timing array experiments due to its long-term timing stability, and bright, narrow pulse profile. In Apri…

astro-ph.HE2025

A Multimessenger Search for the Supermassive Black Hole Binary in 3C 66B with the Parkes Pulsar Timing Array

Jacob Cardinal Tremblay, Boris Goncharov, Rutger van Haasteren +15

A subparsec supermassive black hole binary (SMBHB) at the center of the galaxy 3C 66B is a promising candidate for continuous gravitational-wave searches with pulsar timing arrays…

gr-qc2025★ 2 cited

Searching for continuous gravitational waves in the Parkes Pulsar Timing Array Data Release 3

Shi-Yi Zhao, Zu-Cheng Chen, Jacob Cardinal Tremblay +19

We present results from an all-sky search for continuous gravitational waves from individual supermassive binary black holes using the third data release (DR3) of the Parkes Pulsar…

astro-ph.HE2024★ 4 cited

Pulsar Polarization Array Limits on Ultralight Axion-like Dark Matter

Xiao Xue, Shi Dai, Hoang Nhan Luu +20

We conduct the first-ever Pulsar Polarization Array (PPA) analysis to detect the ultralight Axion-Like Dark Matter (ALDM) using the polarization data of 22 millisecond pulsars from…

astro-ph.HE2024★ 65 cited

The neutron star mass, distance, and inclination from precision timing of the brilliant millisecond pulsar J04374715

Daniel J. Reardon, Matthew Bailes, Ryan M. Shannon +17

The observation of neutron stars enables the otherwise impossible study of fundamental physical processes. The timing of binary radio pulsars is particularly powerful, as it enable…

astro-ph.HE2023

Comparing recent PTA results on the nanohertz stochastic gravitational wave background

The International Pulsar Timing Array Collaboration, G. Agazie, J. Antoniadis +242

The Australian, Chinese, European, Indian, and North American pulsar timing array (PTA) collaborations recently reported, at varying levels, evidence for the presence of a nanohert…

astro-ph.HE2023★ 163 cited

The gravitational-wave background null hypothesis: Characterizing noise in millisecond pulsar arrival times with the Parkes Pulsar Timing Array

Daniel J. Reardon, Andrew Zic, Ryan M. Shannon +19

The noise in millisecond pulsar (MSP) timing data can include contributions from observing instruments, the interstellar medium, the solar wind, solar system ephemeris errors, and…

astro-ph.HE2023★ 1.2k cited

Search for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array

Daniel J. Reardon, Andrew Zic, Ryan M. Shannon +26

Pulsar timing arrays aim to detect nanohertz-frequency gravitational waves (GWs). A background of GWs modulates pulsar arrival times and manifests as a stochastic process, common t…

astro-ph.HE2023★ 216 cited

The Parkes Pulsar Timing Array Third Data Release

Andrew Zic, Daniel J. Reardon, Agastya Kapur +31

We present the third data release from the Parkes Pulsar Timing Array (PPTA) project. The release contains observations of 32 pulsars obtained using the 64-m Parkes "Murriyang" rad…

astro-ph.HE2022★ 19 cited

Wideband timing of the Parkes Pulsar Timing Array UWL data

Małgorzata Curyło, Timothy T. Pennucci, Matthew Bailes +14

In 2018 an ultra-wide-bandwidth low-frequency (UWL) receiver was installed on the 64-m Parkes Radio Telescope enabling observations with an instantaneous frequency coverage from 70…

astro-ph.HE2022★ 38 cited

Evaluating the prevalence of spurious correlations in pulsar timing array datasets

Andrew Zic, George Hobbs, R. M. Shannon +13

Pulsar timing array collaborations have recently reported evidence for a noise process with a common spectrum among the millisecond pulsars in the arrays. The spectral properties o…

astro-ph.HE2021★ 341 cited

On the evidence for a common-spectrum process in the search for the nanohertz gravitational-wave background with the Parkes Pulsar Timing Array

Boris Goncharov, R. M. Shannon, D. J. Reardon +26

A nanohertz-frequency stochastic gravitational-wave background can potentially be detected through the precise timing of an array of millisecond pulsars. This background produces l…

astro-ph.HE2020★ 14 cited

Parkes transient events: I. Database of single pulses, initial results and missing FRBs

S. -B. Zhang, G. Hobbs, C. J. Russell +16

A large number of observations from the Parkes 64\,m-diameter radio telescope, recorded with high time resolution, are publicly available. We have re-processed all of the observati…