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19962026
most citedLOFAR: The LOw-Frequency ARray

2.7k citations

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38 papers · 1 filter

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.IM2024★ 4 cited

Improving pulsar timing precision through superior Time-of-Arrival creation

J. Wang, J. P. W. Verbiest, G. M. Shaifullah +6

The measurement of pulsar pulse times-of-arrival (ToAs) is a crucial step in detecting low-frequency gravitational waves. To determine ToAs, we can use template-matching to compare…

astro-ph.IM2021★ 15 cited

A comparative analysis of pulse time-of-arrival creation methods

J. Wang, G. M. Shaifullah, J. P. W. Verbiest +15

Extracting precise pulse times of arrival (TOAs) and their uncertainties is the first and most fundamental step in high-precision pulsar timing. In the classical method, TOAs are d…

astro-ph.IM2021★ 88 cited

Sub-arcsecond imaging with the International LOFAR Telescope I. Foundational calibration strategy and pipeline

L. K. Morabito, N. J. Jackson, S. Mooney +71

[abridged] The International LOFAR Telescope is an interferometer with stations spread across Europe. With baselines of up to ~2,000 km, LOFAR has the unique capability of achievin…

astro-ph.IM2021★ 68 cited

Fermi Large Area Telescope Performance After 10 Years Of Operation

The Fermi LAT Collaboration, M. Ajello, W. B. Atwood +126

The Large Area Telescope (LAT), the primary instrument for the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view, high-energy gamma-ray telescope,…

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.IM2020★ 7 cited

Detecting the elemental and molecular signatures of life: Laser-based mass spectrometry technologies

Niels F. W. Ligterink, Andreas Riedo, Marek Tulej +8

The identification of extraterrestrial life is one the most exciting and challenging endeavors in space research. The existence of extinct or extant life can be inferred from bioge…

astro-ph.IM2020★ 178 cited

The MeerKAT Telescope as a Pulsar Facility: System verification and early science results from MeerTime

M. Bailes, A. Jameson, F. Abbate +72

We describe system verification tests and early science results from the pulsar processor (PTUSE) developed for the newly-commissioned 64-dish SARAO MeerKAT radio telescope in Sout…

astro-ph.IM2020★ 58 cited

A Merged Search-Coil and Fluxgate Magnetometer Data Product for Parker Solar Probe FIELDS

Trevor A. Bowen, Stuart D. Bale, John W. Bonnell +12

NASA's Parker Solar Probe (PSP) mission is currently investigating the local plasma environment of the inner-heliosphere (0.25) using both {\em{in-situ}} and remote se…

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.IM2019★ 11 cited

Unveiling the Gravitational Universe at μ-Hz Frequencies

Alberto Sesana, Natalia Korsakova, Manuel Arca Sedda +31

We propose a space-based interferometer surveying the gravitational wave (GW) sky in the milli-Hz to -Hz frequency range. By the 2040s', the -Hz frequency band, bracketed in…

astro-ph.IM2019★ 15 cited

Detecting exoplanets with FAST?

Philippe Zarka, Di Li, Jean-Mathias Grießmeier +5

We briefly review the various proposed scenarios that may lead to nonthermal radio emissions from exoplanetary systems (planetary magnetospheres, magnetosphere-ionosphere and magne…

astro-ph.IM2019★ 6 cited

MASER: A Science Ready Toolbox for Low Frequency Radio Astronomy

Baptiste Cecconi, Alan Loh, Pierre Le Sidaner +21

MASER (Measurements, Analysis, and Simulation of Emission in the Radio range) is a comprehensive infrastructure dedicated to time-dependent low frequency radio astronomy (up to abo…

astro-ph.IM2018★ 34 cited

Testing the accuracy of the ionospheric Faraday rotation corrections through LOFAR observations of bright northern pulsars

N. K. Porayko, A. Noutsos, C. Tiburzi +13

Faraday rotation of polarized emission from pulsars measured at radio frequencies provides a powerful tool to investigate the interstellar and interplanetary magnetic fields. Howev…

astro-ph.IM2018

Identifying transient and variable sources in radio images

Antonia Rowlinson, Adam J. Stewart, Jess W. Broderick +16

With the arrival of a number of wide-field snapshot image-plane radio transient surveys, there will be a huge influx of images in the coming years making it impossible to manually…

astro-ph.IM2018

RFI Flagging Implications for Short-Duration Transients

Y. Cendes, P. Prasad, A. Rowlinson +24

With their wide fields of view and often relatively long coverage of any position in the sky in imaging survey mode, modern radio telescopes provide a data stream that is naturally…

astro-ph.IM2016★ 74 cited

LBCS: the LOFAR Long-Baseline Calibrator Survey

N. Jackson, A. Tagore, A. Deller +76

(abridged). We outline LBCS (the LOFAR Long-Baseline Calibrator Survey), whose aim is to identify sources suitable for calibrating the highest-resolution observations made with the…

astro-ph.IM2016★ 31 cited

Dispersion by pulsars, magnetars, fast radio bursts and massive electromagnetism at very low radio frequencies

Mark J. Bentum, Luca Bonetti, Alessandro D. A. M. Spallicci

Our understanding of the universe relies mostly on electromagnetism. As photons are the messengers, fundamental physics is concerned in testing their properties. Photon mass upper…

astro-ph.IM2016★ 457 cited

The International Pulsar Timing Array: First Data Release

J. P. W. Verbiest, L. Lentati, G. Hobbs +89

The highly stable spin of neutron stars can be exploited for a variety of (astro-)physical investigations. In particular arrays of pulsars with rotational periods of the order of m…

astro-ph.IM2015★ 35 cited

The Hera Saturn Entry Probe Mission

O. Mousis, D. H. Atkinson, T. Spilker +41

The Hera Saturn entry probe mission is proposed as an M--class mission led by ESA with a contribution from NASA. It consists of one atmospheric probe to be sent into the atmosphere…

astro-ph.IM2015★ 74 cited

The noise properties of 42 millisecond pulsars from the European Pulsar Timing Array and their impact on gravitational wave searches

R. N. Caballero, K. J. Lee, L. Lentati +36

The sensitivity of Pulsar Timing Arrays to gravitational waves depends on the noise present in the individual pulsar timing data. Noise may be either intrinsic or extrinsic to the…

astro-ph.IM2015★ 105 cited

The LOFAR Multifrequency Snapshot Sky Survey (MSSS) I. Survey description and first results

G. H. Heald, R. F. Pizzo, E. Orrú +147

We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky LOFAR imaging survey. In this introductory paper, we first describe in detail the motivation and de…

astro-ph.IM2015★ 13 cited

Single-Source Gravitational Wave Limits from the J1713+0747 24-hr Global Campaign

T. Dolch, J. A. Ellis, S. Chatterjee +34

Dense, continuous pulsar timing observations over a 24-hr period provide a method for probing intermediate gravitational wave (GW) frequencies from 10 microhertz to 20 millihertz.…

astro-ph.IM2014★ 11 cited

A Cosmic Census of Radio Pulsars with the SKA

E. F. Keane, B. Bhattacharyya, M. Kramer +16

The Square Kilometre Array (SKA) will make ground breaking discoveries in pulsar science. In this chapter we outline the SKA surveys for new pulsars, as well as how we will perform…