activity
20192025
most citedThe second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

1k citations · 2.9k across the 21 of their papers we have counts for

collaborators

21 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.HE2024

The impact on astrometry by solar-wind effect in pulsar timing

K. Liu, A. Parthasarathy, M. Keith +16

Astrometry of pulsars, particularly their distances, serves as a critical input for various astrophysical experiments using pulsars. Pulsar timing is a primary approach for determi…

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★ 18 cited

Variable Scintillation Arcs of Millisecond Pulsars observed with the Large European Array for Pulsars

R. A. Main, J. Antoniadis, S. Chen +26

We present the first large sample of scintillation arcs in millisecond pulsars, analysing 12 sources observed with the Large European Array for Pulsars (LEAP), and the Effelsberg 1…

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…

gr-qc2023★ 76 cited

Searching for continuous Gravitational Waves in the second data release of the International Pulsar Timing Array

M. Falxa, S. Babak, P. T. Baker +123

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 wa…

astro-ph.HE2022★ 12 cited

Detection of quasi-periodic micro-structure in three millisecond pulsars with the Large European Array for Pulsars

K. Liu, J. Antoniadis, C. G. Bassa +24

We report on the detection of quasi-periodic micro-structure in three millisecond pulsars (MSPs), PSRs J1022+1001, J2145-0750 and J1744-1134, using high time resolution data acquir…

gr-qc2022★ 3 cited

Robust parameter estimation from pulsar timing data

A. Samajdar, G. Shaifullah, A. Sesana +8

Recently, global pulsar timing arrays have released results from searching for a nano-Hertz gravitational wave background signal. Although there has not been any definite evidence…

astro-ph.HE2022★ 39 cited

Modelling annual scintillation arc variations in PSR J1643-1224 using the Large European Array for Pulsars

G. Mall, R. A. Main, J. Antoniadis +25

In this work we study variations in the parabolic scintillation arcs of the binary millisecond pulsar PSR J1643-1224 over five years using the Large European Array for Pulsars (LEA…

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★ 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.IM2020★ 25 cited

Pulsars with NenuFAR: backend and pipelines

L. Bondonneau, J. -M. Grießmeier, G. Theureau +27

NenuFAR (New extension in Nançay upgrading LoFAR) is a new radio telescope developed and built on the site of the Nançay Radio Observatory. It is designed to observe the largely un…

astro-ph.HE2020★ 34 cited

Measuring Interstellar Delays of PSR J0613-0200 over 7 years, using the Large European Array for Pulsars

R. A. Main, S. A. Sanidas, J. Antoniadis +19

Using data from the Large European Array for Pulsars (LEAP), and the Effelsberg telescope, we study the scintillation parameters of the millisecond pulsar J0613-0200 over a 7 year…

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…