activity
20132025
most citedThe second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

1k citations · 5.4k across the 38 of their papers we have counts for

collaborators

39 papers

astro-ph.HE2025

Combining the second data release of the European Pulsar Timing Array with low-frequency pulsar data

F. Iraci, A. Chalumeau, C. Tiburzi +46

Low-frequency radio data improve the sensitivity of pulsar timing arrays (PTAs) to propagation effects such as dispersion measure (DM) variations, enabling better noise characteriz…

astro-ph.HE2025★ 6 cited

The Chinese Pulsar Timing Array data release I. Single pulsar noise analysis

Siyuan Chen, Heng Xu, Yanjun Guo +23

The Chinese Pulsar Timing Array (CPTA) has collected observations from 57 millisecond pulsars using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) for close to th…

astro-ph.HE2025★ 3 cited

Rapid Construction of Joint Pulsar Timing Array Datasets: The Lite Method

Bjorn Larsen, Chiara M. F. Mingarelli, Paul T. Baker +41

The International Pulsar Timing Array (IPTA)'s second data release (IPTA DR2) combines decades of observations of 65 millisecond pulsars from 7 radio telescopes. IPTA datasets shou…

astro-ph.HE2025

Chinese Pulsar Timing Array upper limits on microhertz gravitational waves from supermassive black-hole binaries using PSR J1713+0747 FAST data

R. Nicolas Caballero, Heng Xu, Kejia Lee +6

We derive the gravitational-wave (GW) strain upper limits from resolvable supermassive black-hole binaries using the data from the Five-hundred-meter Aperture Spherical radio Teles…

astro-ph.HE2025★ 10 cited

The Chinese pulsar timing array data release I. Polarimetry for 56 millisecond pulsars

Jiangwei Xu, Jinchen Jiang, Heng Xu +27

We present polarization pulse profiles for 56 millisecond pulsars (MSPs) monitored by the Chinese Pulsar Timing Array (CPTA) collaboration using the Five-hundred-meter Aperture Sph…

astro-ph.CO2024

Searches for signatures of ultra-light axion dark matter in polarimetry data of the European Pulsar Timing Array

N. K. Porayko, P. Usynina, J. Terol-Calvo +74

Ultra-light axion-like particles (ALPs) can be a viable solution to the dark matter problem. The scalar field associated with ALPs, coupled to the electromagnetic field, acts as an…

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★ 320 cited

The second data release from the European Pulsar Timing Array I. The dataset and timing analysis

J. Antoniadis, S. Babak, A. -S. Bak Nielsen +66

Pulsar timing arrays offer a probe of the low-frequency gravitational wave spectrum (1 - 100 nanohertz), which is intimately connected to a number of markers that can uniquely trac…

astro-ph.HE2023★ 1k cited

The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

J. Antoniadis, P. Arumugam, S. Arumugam +95

We present the results of the search for an isotropic stochastic gravitational wave background (GWB) at nanohertz frequencies using the second data release of the European Pulsar T…

astro-ph.HE2023★ 79 cited

The second data release from the European Pulsar Timing Array: VI. Challenging the ultralight dark matter paradigm

Clemente Smarra, Boris Goncharov, Enrico Barausse +68

Pulsar Timing Array experiments probe the presence of possible scalar or pseudoscalar ultralight dark matter particles through decade-long timing of an ensemble of galactic millise…

astro-ph.CO2023★ 111 cited

The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe

J. Antoniadis, P. Arumugam, S. Arumugam +111

The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and fir…

astro-ph.HE2023★ 76 cited

The second data release from the European Pulsar Timing Array V. Search for continuous gravitational wave signals

J. Antoniadis, P. Arumugam, S. Arumugam +97

We present the results of a search for continuous gravitational wave signals (CGWs) in the second data release (DR2) of the European Pulsar Timing Array (EPTA) collaboration. The m…

gr-qc2023★ 29 cited

Practical approaches to analyzing PTA data: Cosmic strings with six pulsars

Hippolyte Quelquejay Leclere, Pierre Auclair, Stanislav Babak +69

We search for a stochastic gravitational wave background (SGWB) generated by a network of cosmic strings using six millisecond pulsars from Data Release 2 (DR2) of the European Pul…

astro-ph.HE2023★ 2 cited

Atlas of dynamic spectra of fast radio burst FRB 20201124A

Bo-Jun Wang, Heng Xu, Jin-Chen Jiang +64

Fast radio bursts (FRBs) are highly dispersed millisecond-duration radio bursts, of which the physical origin is still not fully understood. FRB 20201124A is one of the most active…

astro-ph.HE2022★ 344 cited

The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background

J. Antoniadis, Z. Arzoumanian, S. Babak +123

We searched for an isotropic stochastic gravitational wave background in the second data release of the International Pulsar Timing Array, a global collaboration synthesizing decad…

astro-ph.HE2021★ 53 cited

Noise analysis in the European Pulsar Timing Array data release 2 and its implications on the gravitational-wave background search

A. Chalumeau, S. Babak, A. Petiteau +49

The European Pulsar Timing Array (EPTA) collaboration has recently released an extended data set for six pulsars (DR2) and reported evidence for a common red noise signal. Here we…

astro-ph.HE2021★ 197 cited

A fast radio burst source at a complex magnetised site in a barred galaxy

H. Xu, J. R. Niu, P. Chen +71

Fast radio bursts (FRBs) are highly dispersed millisecond-duration radio bursts. Recent observations of a Galactic FRB suggest that at least some FRBs originate from magnetars, but…

astro-ph.HE2021★ 282 cited

Common-red-signal analysis with 24-yr high-precision timing of the European Pulsar Timing Array: Inferences in the stochastic gravitational-wave background search

S. Chen, R. N. Caballero, Y. J. Guo +49

We present results from the search for a stochastic gravitational-wave background (GWB) as predicted by the theory of General Relativity using six radio millisecond pulsars from th…

astro-ph.HE2020★ 182 cited

Diverse polarization angle swings from a repeating fast radio burst source

R. Luo, B. J. Wang, Y. P. Men +34

Fast radio bursts (FRBs) are millisecond-duration radio transients of unknown origin. Two possible mechanisms that could generate extremely coherent emission from FRBs invoke neutr…

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.EP2019★ 24 cited

Studying the Solar system dynamics using pulsar timing arrays and the LINIMOSS dynamical model

Y. J. Guo, G. Y. Li, K. J. Lee +1

Pulsar timing arrays (PTAs) can be used to study the Solar-system ephemeris (SSE), the errors of which can lead to correlated timing residuals and significantly contribute to the P…

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.HE2018★ 31 cited

Improving timing sensitivity in the microhertz frequency regime: limits from PSR J17130747 on gravitational waves produced by super-massive black-hole binaries

B. B. P. Perera, B. W. Stappers, S. Babak +25

We search for continuous gravitational waves (CGWs) produced by individual super-massive black-hole binaries (SMBHBs) in circular orbits using high-cadence timing observations of P…