output
19992020
most citedLOFAR: The LOw-Frequency ARray

2.7k citations

174 papers

astro-ph.HE2020★ 61 cited

Einstein@Home Discovery of the Gamma-ray Millisecond Pulsar PSR J2039-5617 Confirms Its Predicted Redback Nature

C. J. Clark, L. Nieder, G. Voisin +19

The Fermi Large Area Telescope gamma-ray source 3FGL J2039.65618 contains a periodic optical and X-ray source that was predicted to be a "redback" millisecond pulsar (MSP) binar…

astro-ph.GA2020★ 26 cited

Molecular gas in CLASH brightest cluster galaxies at

G. Castignani, M. Pandey-Pommier, S. L. Hamer +4

Brightest cluster galaxies (BCGs) are excellent laboratories to study galaxy evolution in dense Mpc-scale environments. We have observed in CO(1-0), CO(2-1), CO(3-2), or CO(4-3), w…

astro-ph.HE2020★ 15 cited

Timing stability of black widow pulsars

Ann-Sofie Bak Nielsen, Gemma H. Janssen, Golam Shaifullah +13

We study the timing stability of three black widow pulsars, both in terms of their long-term spin evolution and their shorter-term orbital stability. The erratic timing behaviour a…

astro-ph.HE2020★ 36 cited

A census of the pulsar population observed with the international LOFAR station FR606 at low frequencies (25-80~MHz)

L. Bondonneau, J. -M. Grießmeier, G. Theureau +5

To date, only 69 pulsars have been identified with a detected pulsed radio emission below 100 MHz. A LOFAR-core LBA census and a dedicated campaign with the Nançay LOFAR station in…

astro-ph.HE2020★ 49 cited

Cassiopeia A, Cygnus A, Taurus A, and Virgo A at ultra-low radio frequencies

F. de Gasperin, J. Vink, J. P. McKean +49

The four persistent radio sources in the northern sky with the highest flux density at metre wavelengths are Cassiopeia A, Cygnus A, Taurus A, and Virgo A; collectively they are ca…

astro-ph.HE2020★ 25 cited

Shapiro delay in PSR~J18112405

C. Ng, L. Guillemot, P. C. C. Freire +5

This paper presents the first detection of Shapiro delay from the binary millisecond pulsar PSR J1811-2405. We report a 11- measurement of the orthometric amplitude, h=6.8(6…

astro-ph.IM2019★ 6 cited

Design, operation and performance of the PAON4 prototype transit interferometer

R. Ansari, J. E Campagne, D. Charlet +14

PAON4 is an L-band (1250-1500 MHz) small interferometer operating in transit mode deployed at the Nançay observatory in France, designed as a prototype instrument for Intensity Map…

astro-ph.HE2019★ 85 cited

Radio emission from a pulsar's magnetic pole revealed by general relativity

Gregory Desvignes, Michael Kramer, Kejia Lee +7

Binary pulsars are affected by general relativity (GR), causing the spin axes of each pulsar to precess. We present polarimetric radio observations of PSR J1906+0746 that demonstra…

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.HE2019★ 31 cited

A LOFAR census of non-recycled pulsars: extending below 80 MHz

A. V. Bilous, L. Bondonneau, V. I. Kondratiev +9

We present the results from the low-frequency (40--78 MHz) extension of the first LOFAR pulsar census of non-recycled pulsars. We have used the Low-Band Antennas of the LOFAR core…

astro-ph.GA2019★ 22 cited

HISS, a new tool for H I stacking: application to NIBLES spectra

J. Healy, S-L. Blyth, E. Elson +5

H I stacking has proven to be a highly effective tool to statistically analyse average H I properties for samples of galaxies which may or may not be directly detected. With the pl…

astro-ph.GA2019★ 16 cited

The Widefield Arecibo Virgo Extragalactic Survey I: New structures in the ALFALFA Virgo 7 cloud complex and an extended tail on NGC 4522

Robert F. Minchin, Rhys Taylor, Joachim Köppen +3

We are carrying out a sensitive blind survey for neutral hydrogen (HI) in the Virgo cluster and report here on the first 5° x 1° area covered, which includes two optically-dark gas…

astro-ph.HE2019★ 22 cited

Timing of PSR J2055+3829, an eclipsing black widow pulsar discovered with the Nançay Radio Telescope

L. Guillemot, F. Octau, I. Cognard +5

We report on the timing observations of the millisecond pulsar PSR J2055+3829 originally discovered as part of the SPAN512 survey conducted with the Nançay Radio Telescope. The pul…

astro-ph.HE2019★ 113 cited

Disk-jet coupling in the 2017/2018 outburst of the Galactic black hole candidate X-ray binary MAXI J1535-571

T. D. Russell, A. J. Tetarenko, J. C. A. Miller-Jones +19

MAXI J1535-571 is a Galactic black hole candidate X-ray binary that was discovered going into outburst in 2017 September. In this paper, we present comprehensive radio monitoring o…

astro-ph.HE2019★ 113 cited

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1149

We present a search for gravitational waves from 221 pulsars with rotation frequencies Hz. We use advanced LIGO data from its first and second observing runs spanning…

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.HE2018★ 173 cited

A -ray determination of the Universe's star-formation history

LAT Collaboration, M. Ajello, K. Helgason +4

The light emitted by all galaxies over the history of the Universe produces the extragalactic background light (EBL) at ultraviolet, optical, and infrared wavelengths. The EBL is a…

astro-ph.HE2018★ 65 cited

Searching a Thousand Radio Pulsars for Gamma-ray Emission

David A. Smith, Philippe Bruel, Ismaël Cognard +15

Identifying as many gamma-ray pulsars as possible in the Fermi Large Area Telescope (LAT) data helps test pulsar emission models by comparing predicted and observed properties for…

astro-ph.HE2018★ 37 cited

Unresolved Gamma-Ray Sky through its Angular Power Spectrum

M. Ackermann, M. Ajello, L. Baldini +107

The gamma-ray sky has been observed with unprecedented accuracy in the last decade by the Fermi large area telescope (LAT), allowing us to resolve and understand the high-energy Un…

astro-ph.HE2018★ 4 cited

Influence of a planar boundary on the electric field emitted by a particle shower

Daniel García-Fernández, Benoît Revenu, Antony Escudie +1

The radio detection of cosmic rays consists in the estimation of the properties of a primary cosmic ray by observing the electric field emitted by the extensive air shower (EAS) cr…

astro-ph.HE2018★ 36 cited

A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars

J. W. McKee, B. W. Stappers, C. G. Bassa +13

We have studied 4265 giant pulses (GPs) from the millisecond pulsar B1937+21; the largest-ever sample gathered for this pulsar, in observations made with the Large European Array f…

astro-ph.GA2018★ 14 cited

A Zone of Avoidance catalogue of 2MASS bright galaxies. I. Sample description and analysis

Anja C. Schröder, Wim van Driel, Renee C. Kraan-Korteweg

We present a homogeneous 2MASS bright galaxy catalogue at low Galactic latitudes (, called Zone of Avoidance) which is complete to a Galactic extinction-corre…

astro-ph.HE2018★ 24 cited

Modelling the compact jet in MAXI J1836-194 with disc-driven shocks

Mathias Péault, Julien Malzac, Mickael Coriat +9

The black hole candidate MAXI J1836-194 was discovered in 2011 when it went into an outburst, and was the subject of numerous, quasi-simultaneous, multi-wavelength observations in…