activity
20142026
most citedGravitational waves from binary supermassive black holes missing in pulsar observations

494 citations · 2.6k across the 31 of their papers we have counts for

collaborators

32 papers

astro-ph.HE2026

Generalized Non-linear Bayesian Pulsar Timing with Enterprise

Andrew R. Kaiser, Jeffrey S. Hazboun, Maura A. McLaughlin +56

In this study, we use the Bayesian methods in the Enterprise package to examine the fully general parameterization of pulsar timing models in tandem with noise. We investigate four…

astro-ph.HE2026

A joint MeerKAT and Parkes view of Omega Centauri: New TRAPUM Searches and Pulsar Timing

Miquel Colom i Bernadich, Shi Dai, Federico Abbate +27

Millisecond pulsars (MSPs) are powerful probes of globular clusters (GCs), tracing stellar evolution, cluster dynamics, and the local gravitational potential. We investigate the MS…

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.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

Cannonball or Bowling Ball: A Proper Motion and Parallax for PSR J0002+6216

S. Bruzewski, F. K. Schinzel, G. B. Taylor +4

We report the results of careful astrometric measurements of the Cannonball pulsar J0002+6216 carried out over three years using the High Sensitivity Array (HSA). We significantly…

astro-ph.HE2021★ 75 cited

The impact of glitches on young pulsar rotational evolution

Marcus E. Lower, Simon Johnston, Liam Dunn +10

We report on a timing programme of 74 young pulsars that have been observed by the Parkes 64-m radio telescope over the past decade. Using modern Bayesian timing techniques, we hav…

astro-ph.HE2020★ 105 cited

Identifying and mitigating noise sources in precision pulsar timing data sets

Boris Goncharov, D. J. Reardon, R. M. Shannon +14

Pulsar timing array projects measure the pulse arrival times of millisecond pulsars for the primary purpose of detecting nanohertz-frequency gravitational waves. The measurements i…

astro-ph.HE2020★ 92 cited

Extremely band-limited repetition from a fast radio burst source

Pravir Kumar, Ryan M. Shannon, Chris Flynn +11

The fast radio burst (FRB) population is observationally divided into sources that have been observed to repeat and those that have not. There is tentative evidence that the bursts…

astro-ph.HE2020★ 55 cited

Timing of young radio pulsars II. Braking indices and their interpretation

A. Parthasarathy, S. Johnston, R. M. Shannon +8

In Paper I of this series, we detected a significant value of the braking index () for 19 young, high- radio pulsars using 10 years of timing observations from t…

astro-ph.IM2019★ 98 cited

A pulsar-based timescale from the International Pulsar Timing Array

G. Hobbs, L. Guo, R. N. Caballero +56

We have constructed a new timescale, TT(IPTA16), based on observations of radio pulsars presented in the first data release from the International Pulsar Timing Array (IPTA). We us…

astro-ph.HE2019★ 301 cited

The International Pulsar Timing Array: Second data release

B. B. P. Perera, M. E. DeCesar, P. B. Demorest +72

In this paper, we describe the International Pulsar Timing Array second data release, which includes recent pulsar timing data obtained by three regional consortia: the European Pu…

astro-ph.HE2019★ 108 cited

Timing of young radio pulsars I: Timing noise, periodic modulation and proper motion

A. Parthasarathy, R. M. Shannon, S. Johnston +9

The smooth spin-down of young pulsars is perturbed by two non-deterministic phenomenon, glitches and timing noise. Although the timing noise provides insights into nuclear and plas…

astro-ph.HE2019★ 44 cited

Commensal discovery of four Fast Radio Bursts during Parkes Pulsar Timing Array observations

S. Osłowski, R. M. Shannon, V. Ravi +25

The Parkes Pulsar Timing Array (PPTA) project monitors two dozen millisecond pulsars (MSPs) in order to undertake a variety of fundamental physics experiments using the Parkes 64m…

astro-ph.HE2019★ 21 cited

The Tail of PSR J0002+6216 and the Supernova Remnant CTB 1

F. K. Schinzel, M. Kerr, U. Rau +2

We have carried out VLA imaging and a Fermi timing analysis of the 115 ms gamma-ray and radio pulsar PSR J0002+6216. We found that the pulsar lies at the apex of a narrowly collima…

astro-ph.EP2018★ 52 cited

Studying the solar system with the International Pulsar Timing Array

R. N. Caballero, Y. J. Guo, K. J. Lee +77

Pulsar-timing analyses are sensitive to errors in the solar-system ephemerides (SSEs) that timing models utilise to estimate the location of the solar-system barycentre, the quasi-…

astro-ph.HE2017★ 30 cited

The Einstein@Home Gamma-Ray Pulsar Survey II. Source Selection, Spectral Analysis and Multi-wavelength Follow-up

J. Wu, C. J. Clark, H. J. Pletsch +23

We report on the analysis of 13 gamma-ray pulsars discovered in the Einstein@Home blind search survey using Fermi Large Area Telescope (LAT) Pass 8 data. The 13 new gamma-ray pulsa…

astro-ph.HE2017★ 222 cited

Spectral properties of 441 radio pulsars

F. Jankowski, W. van Straten, E. F. Keane +4

We present a study of the spectral properties of 441 pulsars observed with the Parkes radio telescope near the centre frequencies of 728, 1382 and 3100 MHz. The observations at 728…

astro-ph.GA2017★ 38 cited

Locating the intense interstellar scattering towards the inner Galaxy

J. Dexter, A. Deller, G. C. Bower +9

We use VLBA+VLA observations to measure the sizes of the scatter-broadened images of 6 of the most heavily scattered known pulsars: 3 within the Galactic Centre (GC) and 3 elsewher…

astro-ph.HE2017★ 29 cited

Comparison of Pulsar Positions from Timing and Very Long Baseline Astrometry

J. B. Wang, W. A. Coles, G. Hobbs +22

Pulsar positions can be measured with high precision using both pulsar timing methods and very-long-baseline interferometry (VLBI). Pulsar timing positions are referenced to a sola…

astro-ph.HE2017★ 10 cited

A transient, flat spectrum radio pulsar near the Galactic centre

J. Dexter, N. Degenaar, M. Kerr +6

Recent studies have shown possible connections between highly magnetized neutron stars ("magnetars"), whose X-ray emission is too bright to be powered by rotational energy, and ord…

astro-ph.IM2016★ 27 cited

Wide-band Profile Domain Pulsar Timing Analysis

L. Lentati, M. Kerr, S. Dai +22

We extend profile domain pulsar timing to incorporate wide-band effects such as frequency-dependent profile evolution and broadband shape variation in the pulse profile. We also in…

astro-ph.HE2016★ 28 cited

Characterising the rotational irregularities of the Vela pulsar from 21 yr of phase-coherent timing

R. M. Shannon, L. T. Lentati, M. Kerr +3

Pulsars show two classes of rotational irregularities that can be used to understand neutron-star interiors and magnetospheres: glitches and timing noise. Here we present an analys…

astro-ph.HE2015★ 58 cited

Emission-rotation correlation in pulsars: new discoveries with optimal techniques

P. R. Brook, A. Karastergiou, S. Johnston +3

Pulsars are known to display short-term variability. Recently, examples of longer-term emission variability have emerged that are often correlated with changes in the rotational pr…

astro-ph.IM2015★ 40 cited

Versatile Directional Searches for Gravitational Waves with Pulsar Timing Arrays

D. R. Madison, X. -J. Zhu, G. Hobbs +23

By regularly monitoring the most stable millisecond pulsars over many years, pulsar timing arrays (PTAs) are positioned to detect and study correlations in the timing behaviour of…