output
19962026
most citedLOFAR: The LOw-Frequency ARray

2.7k citations

Showing 2017 · astro-ph.HEShow all

18 papers · 2 filters

astro-ph.HE2017★ 30 cited

The Einstein@Home Gamma-Ray Pulsar Survey II. Source Selection, Spectral Analysis and Multi-wavelength Follow-up

J. Wu, C. J. Clark, H. J. Pletsch +23

We report on the analysis of 13 gamma-ray pulsars discovered in the Einstein@Home blind search survey using Fermi Large Area Telescope (LAT) Pass 8 data. The 13 new gamma-ray pulsa…

astro-ph.HE2017★ 64 cited

Large magnetic field variations towards the Galactic Centre magnetar, PSR J1745-2900

Gregory Desvignes, Ralph Eatough, Ue-Li Pen +13

Polarised radio emission from PSR J1745-2900 has already been used to investigate the strength of the magnetic field in the Galactic Centre, close to Sagittarius A*. Here we report…

astro-ph.HE2017★ 1 cited

X-rays from the mode-switching PSR B0943+10

S. Mereghetti, L. Kuiper, A. Tiengo +15

New simultaneous X-ray and radio observations of the archetypal mode-switching pulsar PSR B0943+10 have been carried out with XMM-Newton and the LOFAR, LWA and Arecibo radio telesc…

astro-ph.HE2017★ 23 cited

A millisecond pulsar discovery in a survey of unidentified Fermi -ray sources with LOFAR

Z. Pleunis, C. G. Bassa, J. W. T. Hessels +7

Using LOFAR, we have performed a very-low-frequency (115-155 MHz) radio survey for millisecond pulsars (MSPs). The survey targeted 52 unidentified Fermi -ray sources. Employing…

astro-ph.HE2017★ 42 cited

A Massive-born Neutron Star with a Massive White Dwarf Companion

Ismael Cognard, Paulo C. C. Freire, Lucas Guillemot +10

We report on the results of a 4-year timing campaign of PSR~J2222, a 2.44-day binary pulsar with a massive white dwarf (WD) companion, with the Nançay, Effelsberg and Lovell…

astro-ph.HE2017★ 22 cited

The discovery of two mildly-recycled binary pulsars in the Northern High Time Resolution Universe pulsar survey

M. Berezina, D. J. Champion, P. C. C. Freire +11

We report the discovery and the results of follow-up timing observations of PSR J2045+3633 and PSR J2053+4650, two binary pulsars found in the Northern High Time Resolution Univers…

astro-ph.HE2017★ 81 cited

Scattering analysis of LOFAR pulsar observations

Marisa Geyer, Aris Karastergiou, Vladislav I. Kondratiev +8

We measure the effects of interstellar scattering on average pulse profiles from 13 radio pulsars with simple pulse shapes. We use data from the LOFAR High Band Antennas, at freque…

astro-ph.HE2017★ 6 cited

Observation of the Black Widow B1957+20 millisecond pulsar binary system with the MAGIC telescopes

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +145

B1957+20 is a millisecond pulsar located in a black widow type compact binary system with a low mass stellar companion. The interaction of the pulsar wind with the companion star w…

astro-ph.HE2017★ 25 cited

Fermi observations of the LIGO event GW170104

Melissa Pesce-Rollins, Nicola Omodei, Dan Kocevski +3

We present the \emph{Fermi} Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) observations of the LIGO binary black hole merger (BBH) event GW170104. No candidate electr…

astro-ph.HE2017★ 83 cited

Evidence for an intermediate-mass black hole in the globular cluster NGC 6624

B. B. P. Perera, B. W. Stappers, A. G. Lyne +6

PSR B182030A is located in the globular cluster NGC 6624 and is the closest known pulsar to the centre of any globular cluster. We present more than 25 years of high-precision t…

astro-ph.HE2017★ 209 cited

Cosmic-ray electron+positron spectrum from 7 GeV to 2 TeV with the Fermi Large Area Telescope

LAT Collaboration, S. Abdollahi, M. Ackermann +97

We present a measurement of the cosmic-ray electron+positron spectrum between 7 GeV and 2 TeV performed with almost seven years of data collected with the Fermi Large Area Telescop…

astro-ph.HE2017★ 413 cited

The Fermi Galactic Center GeV Excess and Implications for Dark Matter

LAT Collaboration

The region around the Galactic center (GC) is now well established to be brighter at energies of a few GeV than expected from conventional models of diffuse gamma-ray emission and…

astro-ph.HE2017★ 97 cited

Observations of M31 and M33 with the Fermi Large Area Telescope: a galactic center excess in Andromeda?

LAT Collaboration

The Fermi LAT has opened the way for comparative studies of cosmic rays (CRs) and high-energy objects in the Milky Way (MW) and in other, external, star-forming galaxies. Using 2 y…

astro-ph.HE2017★ 74 cited

Gamma-ray Blazars Within the First 2 Billion Years

Large Area Telescope Collaboration

The detection of high-redshift (3) blazars enables the study of the evolution of the most luminous relativistic jets over cosmic time. More importantly, high-redshift blazars t…

astro-ph.HE2017★ 359 cited

3FHL: The Third Catalog of Hard Fermi-LAT Sources

LAT Collaboration

We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third…

astro-ph.HE2017★ 114 cited

Search for extended sources in the Galactic Plane using 6 years of Fermi-Large Area Telescope Pass 8 data above 10 GeV

The Fermi LAT Collaboration, M. Ackermann, M. Ajello +117

The spatial extension of a gamma-ray source is an essential ingredient to determine its spectral properties as well as its potential multi-wavelength counterpart. The capability to…

astro-ph.HE2017★ 191 cited

First search for gravitational waves from known pulsars with Advanced LIGO

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1002

We present the result of searches for gravitational waves from 200 pulsars using data from the first observing run of the Advanced LIGO detectors. We find no significant evidence f…

astro-ph.HE2017★ 71 cited

FRB 121102 Casts New Light on the Photon Mass

Luca Bonetti, John Ellis, Nikolaos E. Mavromatos +3

The photon mass, , can in principle be constrained using measurements of the dispersion measures (DMs) of fast radio bursts (FRBs), once the FRB redshifts are known. The DM of…