693 citations · 2.6k across the 18 of their papers we have counts for
18 papers
Removal and replacement of interference in tied-array radio pulsar observations using the spectral kurtosis estimator
M. Purver, C. G. Bassa, I. Cognard +10
We describe how to implement the spectral kurtosis method of interference removal (zapping) on a digitized signal of averaged power values. Spectral kurtosis is a hypothesis test,…
The beamformer and correlator for the Large European Array for Pulsars
R. Smits, C. G. Bassa, G. H. Janssen +10
The Large European Array for Pulsars combines Europe's largest radio telescopes to form a tied-array telescope that provides high signal-to-noise observations of millisecond pulsar…
Pulsar observations with European telescopes for testing gravity and detecting gravitational waves
D. Perrodin, C. G. Bassa, G. H. Janssen +20
A background of nanohertz gravitational waves from supermassive black hole binaries could soon be detected by pulsar timing arrays, which measure the times-of-arrival of radio puls…
LEAP: the large European array for pulsars
C. G. Bassa, G. H. Janssen, R. Karuppusamy +9
The Large European Array for Pulsars (LEAP) is an experiment that harvests the collective power of Europe's largest radio telescopes in order to increase the sensitivity of high-pr…
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…
European Pulsar Timing Array Limits on Continuous Gravitational Waves from Individual Supermassive Black Hole Binaries
Stanislav Babak, Antoine Petiteau, Alberto Sesana +33
We have searched for continuous gravitational wave (CGW) signals produced by individually resolvable, circular supermassive black hole binaries (SMBHBs) in the latest EPTA dataset,…
Limits on anisotropy in the nanohertz stochastic gravitational-wave background
S. R. Taylor, C. M. F. Mingarelli, J. R. Gair +32
The paucity of observed supermassive black hole binaries (SMBHBs) may imply that the gravitational wave background (GWB) from this population is anisotropic, rendering existing ana…
European Pulsar Timing Array Limits On An Isotropic Stochastic Gravitational-Wave Background
Lindley Lentati, Stephen R. Taylor, Chiara M. F. Mingarelli +33
We present new limits on an isotropic stochastic gravitational-wave background (GWB) using a six pulsar dataset spanning 18 yr of observations from the 2015 European Pulsar Timing…
An Asteroid Belt Interpretation for the Timing Variations of the Millisecond Pulsar B1937+21
R. M. Shannon, J. M. Cordes, T. S. Metcalfe +10
Pulsar timing observations have revealed companions to neutron stars that include other neutron stars, white dwarfs, main-sequence stars, and planets. We demonstrate that the corre…
PSR J1840-1419: A very cool neutron star
E. F. Keane, M. A. McLaughlin, M. Kramer +4
We present upper limits on the X-ray emission for three neutron stars. For PSR J18401419, with a characteristic age of 16.5 Myr, we calculate a blackbody temperature upper limit…
Profile shape stability and phase jitter analyses of millisecond pulsars
K. Liu, E. F. Keane, K. J. Lee +3
Millisecond pulsars (MSPs) have been studied in detail since their discovery in 1982. The integrated pulse profiles of MSPs appear to be stable, which enables precision monitoring…
Placing limits on the stochastic gravitational-wave background using European Pulsar Timing Array data
R. van Haasteren, Y. Levin, G. H. Janssen +16
Direct detection of low-frequency gravitational waves ( Hz) is the main goal of pulsar timing array (PTA) projects. One of the main targets for the PTAs is to me…
Evidence for gravitational quadrupole moment variations in the companion of PSR J2051-0827
K. Lazaridis, J. P. W. Verbiest, T. M. Tauris +11
We have conducted radio timing observations of the eclipsing millisecond binary pulsar J2051-0827 with the European Pulsar Timing Array network of telescopes and the Parkes radio t…
Measuring the mass of solar system planets using pulsar timing
D. J. Champion, G. B. Hobbs, R. N. Manchester +19
High-precision pulsar timing relies on a solar-system ephemeris in order to convert times of arrival (TOAs) of pulses measured at an observatory to the solar system barycenter. Any…
The European Pulsar Timing Array: current efforts and a LEAP toward the future
Robert D. Ferdman, Rutger van Haasteren, Cees G. Bassa +22
The European Pulsar Timing Array (EPTA) is a multi-institutional, multi-telescope collaboration, with the goal of using high-precision pulsar timing to directly detect gravitationa…
Precision timing of PSR J1012+5307 and strong-field GR tests
Kosmas Lazaridis, Norbert Wex, Axel Jessner +10
We report on the high precision timing analysis of the pulsar-white dwarf binary PSR J1012+5307. Using 15 years of multi-telescope data from the European Pulsar Timing Array (EPTA)…
The international pulsar timing array project: using pulsars as a gravitational wave detector
G. Hobbs, A. Archibald, Z. Arzoumanian +55
The International Pulsar Timing Array project combines observations of pulsars from both Northern and Southern hemisphere observatories with the main aim of detecting ultra-low fre…
Generic tests of the existence of the gravitational dipole radiation and the variation of the gravitational constant
K. Lazaridis, N. Wex, A. Jessner +10
We present results from the high precision timing analysis of the pulsar-white dwarf (WD) binary PSR J1012+5307 using 15 years of multi-telescope data. Observations were performed…