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19962026
most citedLOFAR: The LOw-Frequency ARray

2.7k citations

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31 papers · 1 filter

astro-ph.EP2023

Insight from laboratory measurements on dust in debris discs

Julien Milli, Olivier Poch, Jean-Baptiste Renard +11

Extreme adaptive optics instruments have revealed exquisite details on debris discs, allowing to extract the optical properties of the dust particles such as the phase function, th…

gr-qc2023★ 7 cited

Search for gravitational wave signals from known pulsars in LIGO-Virgo O3 data using the 5n-vector ensemble method

Luca D'Onofrio, Rosario De Rosa, Cristiano Palomba +16

The 5n-vector ensemble method is a multiple test for the targeted search of continuous gravitational waves from an ensemble of known pulsars. This method can improve the detection…

astro-ph.SR2023

Relativistic electron beams accelerated by an interplanetary shock

Immanuel C. Jebaraj, Nina Dresing, Vladimir Krasnoselskikh +16

Collisionless shock waves have long been considered amongst the most prolific particle accelerators in the universe. Shocks alter the plasma they propagate through and often exhibi…

astro-ph.CO2023★ 59 cited

First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR

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

The redshifted 21 cm signal from neutral hydrogen is a direct probe of the physics of the early universe and has been an important science driver of many present and upcoming radio…

astro-ph.SR2023★ 14 cited

Are Switchback boundaries observed by Parker Solar Probe closed?

Nina Bizien, Thierry Dudok de Wit, Clara Froment +7

Switchbacks are sudden and large deflections in the magnetic field that Parker Solar Probe frequently observes in the inner heliosphere. Their ubiquitous occurrence has prompted nu…

astro-ph.SR2023

Ion kinetics of plasma interchange reconnection in the lower solar corona

Vladimir Krasnoselskikh, Arnaud Zaslavsky, Anton Artemyev +6

The exploration of the inner heliosphere by Parker Solar Probe has revealed a highly structured solar wind with ubiquitous deflections from the Parker spiral, known as switchbacks.…

astro-ph.HE2023★ 14 cited

Prospects for a survey of the Galactic plane with the Cherenkov Telescope Array

CTA Consortium

Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV…

astro-ph.HE2023★ 12 cited

Constraining the magnetic field geometry of the millisecond pulsar PSR~J0030+0451 from joint radio, thermal X-ray and -ray emission

J. Pétri, S. Guillot, L. Guillemot +13

With the advent of multi-wavelength electromagnetic observations of neutron stars, spanning many decades in photon energies, from radio wavelengths up to X-rays and -rays, it be…

astro-ph.HE2023★ 101 cited

The second data release from the European Pulsar Timing Array II. Customised pulsar noise models for spatially correlated gravitational waves

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

The nanohertz gravitational wave background (GWB) is expected to be an aggregate signal of an ensemble of gravitational waves emitted predominantly by a large population of coalesc…

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…

physics.plasm-ph2023★ 8 cited

Energy Repartition and Entropy Generation across the Earth's Bow Shock: MMS Observations

O. V. Agapitov, V. Krasnoselskikh, M. Balikhin +3

The evolution of plasma entropy and the process of plasma energy re-distribution at the collisionless plasma shock front are evaluated based on the high temporal resolution data fr…

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…

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.SR2023★ 26 cited

Spatial and Temporal Analysis of Quiescent Coronal Rain over an Active Region

Seray Şahin, Patrick Antolin, Clara Froment +1

The solar corona produces coronal rain, hundreds of times colder and denser material than the surroundings. Coronal rain is known to be deeply linked to coronal heating, but its or…

astro-ph.HE2023

Radio timing constraints on the mass of the binary pulsar PSR J1528-3146

A. Berthereau, L. Guillemot, P. C. C. Freire +7

PSR J1528-3146 is a 60.8 ms pulsar orbiting a heavy white dwarf (WD) companion, with an orbital period of 3.18 d. This work aimed at characterizing the pulsar's astrometric, spin a…

physics.space-ph2023★ 19 cited

Whistler Wave Observations by \textit{Parker Solar Probe} During Encounter : Counter-Propagating Whistlers Collocated with Magnetic Field Inhomogeneities and their Application to Electric Field Measurement Calibration

S. Karbashewski, O. V. Agapitov, H. Y. Kim +7

Observations of the young solar wind by the Parker Solar Probe (PSP) mission reveal the existence of intense plasma wave bursts with frequencies between -- $0.20 f_\mathrm{c…

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.HE2023

A new pulsar timing model for scalar-tensor gravity with applications to PSR J2222-0137 and pulsar-black hole binaries

A. Batrakov, H. Hu, N. Wex +8

Context. Scalar-tensor gravity (STG) theories are well-motivated alternatives to general relativity (GR). One class of STG theories, the Damour-Esposito-Farese (DEF) gravity, has a…

astro-ph.SR2023★ 26 cited

The Evolution of the 1/f Range Within a Single Fast-Solar-Wind Stream Between 17.4 and 45.7 Solar Radii

Nooshin Davis, B. D. G. Chandran, T. A. Bowen +7

The power spectrum of magnetic-field fluctuations in the fast solar wind ($V_{\rm SW}> 500 \mbox{ km} \mbox{ s}^{-1}$) at magnetohydrodynamic (MHD) scales is characterized by two d…

astro-ph.CO2023★ 25 cited

Questioning the tension via the look-back time

Salvatore Capozziello, Giuseppe Sarracino, Alessandro D. A. M. Spallicci

The Hubble tension is investigated taking into account the cosmological look-back time. Specifically, considering a single equation, widely used in standard cosmology, it is possib…

physics.space-ph2023★ 2 cited

M5 -- Mars Magnetospheric Multipoint Measurement Mission: A multi-spacecraft plasma physics mission to Mars

Cormac J. K. Larkin, Ville Lundén, Leonard Schulz +13

Mars, lacking an intrinsic dynamo, is an ideal laboratory to comparatively study induced magnetospheres, which can be found in other terrestrial bodies as well as comets. Additiona…

astro-ph.SR2023★ 35 cited

New Observations of Solar Wind 1/f Turbulence Spectrum from Parker Solar Probe

Zesen Huang, Nikos Sioulas, Chen Shi +22

The trace magnetic power spectrum in the solar wind is known to be characterized by a double power law at scales much larger than the proton gyro-radius, with flatter spectral expo…