output
19962026
most citedLOFAR: The LOw-Frequency ARray

2.7k citations

483 papers

astro-ph.HE2026★ 2 cited

An updated constraint for the Gravitational Wave Background from the Gamma-ray Pulsar Timing Array

Serena Valtolina, Colin J. Clark, Rutger van Haasteren +5

Fermi LAT observations of gamma-ray pulsars can be used to build a pulsar timing array (PTA) experiment to search for gravitational wave (GW) signals at nanohertz frequencies. At t…

astro-ph.HE2025★ 1 cited

Shapiro Delay Measurements from Fifteen Years of PSR J12311411 Radio Observations

H. Thankful Cromartie, Matthew Kerr, Scott M. Ransom +5

We present 15 years of Nançay and Green Bank radio telescope timing observations for PSR J12311411. This millisecond pulsar is a primary science target for the Neutron Star Inte…

astro-ph.EP2025★ 2 cited

Diurnal temperature variations and migrating thermal tides in the Martian lower atmosphere observed by the Emirates Mars InfraRed Spectrometer

Siteng Fan, François Forget, Michael D. Smith +12

The Martian atmosphere experiences large diurnal variations due to the ~24.6 h planetary rotation and its low heat capacity. Understanding such variations on a planetary scale is l…

astro-ph.HE2025★ 2 cited

A HyperFlash and ÉCLAT view of the local environment and energetics of the repeating FRB 20240619D

O. S. Ould-Boukattine, A. J. Cooper, J. W. T. Hessels +16

Time-variable propagation effects provide a window into the local plasma environments of repeating fast radio burst (FRB) sources. Here we report high-cadence observations of FRB 2…

astro-ph.HE2025★ 1 cited

A fast radio burst from the first 3 billion years of the Universe

Manisha Caleb, Themiya Nanayakkara, Benjamin Stappers +25

Fast radio bursts (FRBs) are enigmatic millisecond-duration signals which encode otherwise unattainable information on the plasma which permeates our Universe, providing insights i…

astro-ph.GA2025

Observations of Carbon Radio Recombination Lines with the NenuFAR telescope. I. Cassiopeia A and Cygnus A

Lucie Cros, Antoine Gusdorf, Philippe Salomé +26

Carbon Radio Recombination Lines (CRRLs) at decametre wavelengths trace the diffuse phase of the interstellar medium (ISM) of the Galaxy. Their observation allows to measure physic…

gr-qc2025

Generalised Aichelburg-Sexl and Self-Force for photons

Abedennour Dib, Aymeric Garnier, Alessandro Spallicci

We generalise the Aichelburg-Sexl Stress-Energy-Momentum tensor for massless particles to include motion with angular velocity, introducing tensorial spherical harmonics. Further,…

astro-ph.HE2025★ 8 cited

Localisation and host galaxy identification of new Fast Radio Bursts with MeerKAT

Inés Pastor-Marazuela, Alexa C. Gordon, Ben Stappers +18

Accurately localising fast radio bursts (FRBs) is essential for understanding their birth environments and for their use as cosmological probes. Recent advances in radio interferom…

astro-ph.HE2025★ 1 cited

The polarimetric response of the Nançay Radio Telescope and its impact on precision pulsar timing

Lucas Guillemot, Willem van Straten, Ismaël Cognard +3

In \citet{Guillemot2023} we presented a new method for calibrating pulsar observations conducted with the Nançay decimetric Radio Telescope (NRT), which significantly improved NRT…

astro-ph.HE2025★ 3 cited

A census of galactic spider binary millisecond pulsars with the Nançay Radio Telescope

Clara Blanchard, Lucas Guillemot, Guillaume Voisin +2

Spider pulsars are systems in which a millisecond pulsar (MSP) tightly orbits (Pb 1 day) a low mass (mc 0.5 M) semi-degenerate star. Spider often disp…

astro-ph.IM2025★ 9 cited

Near-field imaging of local interference in radio interferometric data: Impact on the redshifted 21 cm power spectrum

S. Munshi, F. G. Mertens, L. V. E. Koopmans +24

Radio-frequency interference (RFI) is a major systematic limitation in radio astronomy, particularly for science cases requiring high sensitivity, such as 21 cm cosmology. Traditio…

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★ 8 cited

Contemporaneous optical-radio observations of a fast radio burst in a close galaxy pair

K. Y. Hanmer, I. Pastor-Marazuela, J. Brink +20

We present the MeerKAT discovery and MeerLICHT contemporaneous optical observations of the Fast Radio Burst (FRB) 20230808F, which was found to have a dispersion measure of $\mathr…

astro-ph.SR2025★ 10 cited

Tracing magnetic switchbacks to their source: An assessment of solar coronal jets as switchback precursors

Nina Bizien, Clara Froment, Maria S. Madjarska +2

The origin of large-amplitude magnetic field deflections in the solar wind, known as magnetic switchbacks, is still under debate. These structures, which are ubiquitous in the obse…

astro-ph.HE2025★ 17 cited

Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1816

Continuous gravitational waves (CWs) emission from neutron stars carries information about their internal structure and equation of state, and it can provide tests of General Relat…

astro-ph.SR2024★ 13 cited

Propagation of untwisting solar jets from the low-beta corona into the super-Alfvénic wind: Testing a solar origin scenario for switchbacks

Jade Touresse, Etienne Pariat, Clara Froment +3

Parker Solar Probe's (PSP) discovery of the prevalence of switchbacks (SBs), localised magnetic deflections in the nascent solar wind, has sparked interest in uncovering their orig…

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.HE2024★ 94 cited

The MeerKAT Pulsar Timing Array: The first search for gravitational waves with the MeerKAT radio telescope

Matthew T. Miles, Ryan M. Shannon, Daniel J. Reardon +22

Pulsar Timing Arrays search for nanohertz-frequency gravitational waves by regularly observing ensembles of millisecond pulsars over many years to look for correlated timing residu…

astro-ph.HE2024★ 45 cited

The MeerKAT Pulsar Timing Array: The -year data release and the noise and stochastic signals of the millisecond pulsar population

Matthew T. Miles, Ryan M. Shannon, Daniel J. Reardon +21

Pulsar timing arrays are ensembles of regularly observed millisecond pulsars timed to high precision. Each pulsar in an array could be affected by a suite of noise processes, most…

astro-ph.HE2024★ 2 cited

Long term monitoring of FRB~20121102 with the Nançay Radio Telescope and multi-wavelength campaigns including INTEGRAL

C. Gouiffés, C. Ng, I. Cognard +12

The origin(s) of Fast Radio Bursts (FRBs), mysterious radio bursts coming from extragalactic distances, remains unknown. Multi-wavelength observations are arguably the only way to…

astro-ph.HE2024★ 5 cited

Radio and gamma-ray timing of TRAPUM L-band Fermi pulsar survey discoveries

M. Burgay, L. Nieder, C. J. Clark +18

This paper presents the results of a joint radio and gamma-ray timing campaign on the nine millisecond pulsars (MSPs) discovered as part of the L-band targeted survey of Fermi-LAT…

astro-ph.HE2024

Search for Extended GeV Sources in the Inner Galactic Plane

S. Abdollahi, F. Acero, A. Acharyya +108

The recent detection of extended -ray emission around middle-aged pulsars is interpreted as inverse-Compton scattering of ambient photons by electron-positron pairs escaping the…

astro-ph.HE2024★ 1 cited

Explanation of the exceptionally strong timing noise of PSR J0337+1715 by a circum-ternary planet and consequences for gravity tests

Guillaume Voisin, Ismaël Cognard, Melaine Saillenfest +6

Context: Timing of pulsar PSR J0337+1715 provides a unique opportunity to test the strong equivalence principle (SEP) with a strongly self-gravitating object. This is due to its un…

astro-ph.HE2024

Pulsar timing methods for evaluating dispersion measure time series

F. Iraci, A. Chalumeau, C. Tiburzi +9

Radio pulsars allow the study of the ionised interstellar medium and its dispersive effects, a major noise source in gravitational wave searches using pulsars. In this paper, we co…