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The NANOGrav 11-year Data Set: Pulsar-timing Constraints On The Stochastic Gravitational-wave Background
We search for an isotropic stochastic gravitational-wave background (GWB) in the newly released 11 year data set from the North American Nanohertz Observatory for Gravitational Waves (NANOGrav).Expand
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Masses, parallax, and relativistic timing of the PSR J1713+0747 binary system
We report on 12 years of observations of PSR J1713+0747, a pulsar in a 68 day orbit with a white dwarf. Pulse times of arrival were measured with uncertainties as small as 200 ns. The timing dataExpand
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Limits on the Stochastic Gravitational Wave Background from the North American Nanohertz Observatory for Gravitational Waves
We present an analysis of high-precision pulsar timing data taken as part of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project. We have observed 17 pulsars for aExpand
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The NANOGrav Nine-year Data Set: Observations, Arrival Time Measurements, and Analysis of 37 Millisecond Pulsars
We present high-precision timing observations spanning up to nine years for 37 millisecond pulsars monitored with the Green Bank and Arecibo radio telescopes as part of the North American NanohertzExpand
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Arecibo timing and single‐pulse observations of 17 pulsars
We report on timing and single-pulse observations of 17 pulsars discovered at the Arecibo Observatory. The highlights of our sample are the recycled pulsars J1829+2456, J1944+0907 and the driftingExpand
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The International Pulsar Timing Array project: using pulsars as a gravitational wave detector
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 frequency (similar toExpand
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The NANOGrav Nine-year Data Set: Limits on the Isotropic Stochastic Gravitational Wave Background
We compute upper limits on the nanohertz-frequency isotropic stochastic gravitational wave background (GWB) using the 9 year data set from the North American Nanohertz Observatory for GravitationalExpand
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PSR J1740+1000: A Young Pulsar Well Out of the Galactic Plane
We discuss PSR?J1740+1000, one of five pulsars recently discovered in a search of 470 deg2 at 430 MHz during the upgrade of the 305 m Arecibo Telescope. The period P = 154 ms and period derivative =Expand
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Interstellar Plasma Weather Effects in Long-Term Multifrequency Timing of Pulsar B1937+21
We report here on variable propagation effects in over 20 yr of multifrequency timing analysis of pulsar PSR B1937+21 that determine small-scale properties of the intervening plasma as it driftsExpand
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The NANOGrav 11-year Data Set: High-precision Timing of 45 Millisecond Pulsars
We present high-precision timing data over time spans of up to 11 years for 45 millisecond pulsars observed as part of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav)Expand
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