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20092026
most citedThe NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background

1.5k citations · 6.9k across the 82 of their papers we have counts for

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Showing 2020Show all

11 papers · 1 filter

gr-qc2020★ 47 cited

Common-spectrum process versus cross-correlation for gravitational-wave searches using pulsar timing arrays

Joseph D. Romano, Jeffrey S. Hazboun, Xavier Siemens +1

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has recently reported strong statistical evidence for a common-spectrum red-noise process for all pulsar…

astro-ph.HE2020★ 121 cited

Astrophysics Milestones For Pulsar Timing Array Gravitational Wave Detection

Nihan S. Pol, Stephen R. Taylor, Luke Zoltan Kelley +49

The NANOGrav Collaboration reported strong Bayesian evidence for a common-spectrum stochastic process in its 12.5-yr pulsar timing array dataset, with median characteristic strain…

astro-ph.HE2020★ 9 cited

A Study in Frequency-Dependent Effects on Precision Pulsar Timing Parameters with the Pulsar Signal Simulator

Brent J. Shapiro-Albert, Jeffrey S. Hazboun, Maura A. McLaughlin +1

In this paper we introduce a new Python package, the Pulsar Signal Simulator, or PsrSigSim, which is designed to simulate a pulsar signal from emission at the pulsar, through the i…

astro-ph.IM2020★ 34 cited

Model Dependence of Bayesian Gravitational-Wave Background Statistics for Pulsar Timing Arrays

Jeffrey S. Hazboun, Joseph Simon, Xavier Siemens +1

Pulsar timing array (PTA) searches for a gravitational-wave background (GWB) typically include time-correlated "red" noise models intrinsic to each pulsar. Using a simple simulated…

astro-ph.GA2020★ 27 cited

Multimessenger pulsar timing array constraints on supermassive black hole binaries traced by periodic light curves

Chengcheng Xin, Chiara M. F. Mingarelli, Jeffrey S. Hazboun

Supermassive black hole binary systems (SMBHBs) emitting gravitational waves may be traced by periodic light curves. We assembled a catalog of 149 such periodic light curves, and u…

astro-ph.HE2020★ 781 cited

The NANOGrav 12.5-year Data Set: Search For An Isotropic Stochastic Gravitational-Wave Background

Zaven Arzoumanian, Paul T. Baker, Harsha Blumer +58

We search for an isotropic stochastic gravitational-wave background (GWB) in the -year pulsar timing data set collected by the North American Nanohertz Observatory for Gravit…

astro-ph.HE2020★ 4 cited

Precision Timing of PSR J0437-4715 with the IAR Observatory and Implications for Low-Frequency Gravitational Wave Source Sensitivity

M. T. Lam, J. S. Hazboun

While observations of many high-precision radio pulsars of order s across the sky are needed for the detection and characterization of a stochastic background of low-f…

astro-ph.GA2020★ 4 cited

Multi-Messenger Gravitational Wave Searches with Pulsar Timing Arrays: Application to 3C66B Using the NANOGrav 11-year Data Set

Zaven Arzoumanian, Paul T. Baker, Adam Brazier +56

When galaxies merge, the supermassive black holes in their centers may form binaries and, during the process of merger, emit low-frequency gravitational radiation in the process. I…

astro-ph.HE2020★ 114 cited

The NANOGrav 12.5-year Data Set: Wideband Timing of 47 Millisecond Pulsars

Md F. Alam, Zaven Arzoumanian, Paul T. Baker +67

We present a new analysis of the profile data from the 47 millisecond pulsars comprising the 12.5-year data set of the North American Nanohertz Observatory for Gravitational Waves…

astro-ph.HE2020★ 161 cited

The NANOGrav 12.5 yr Data Set: Observations and Narrowband Timing of 47 Millisecond Pulsars

Md F. Alam, Zaven Arzoumanian, Paul T. Baker +67

We present time-of-arrival (TOA) measurements and timing models of 47 millisecond pulsars (MSPs) observed from 2004 to 2017 at the Arecibo Observatory and the Green Bank Telescope…

astro-ph.HE2020★ 90 cited

Modeling the uncertainties of solar-system ephemerides for robust gravitational-wave searches with pulsar timing arrays

M. Vallisneri, S. R. Taylor, J. Simon +61

The regularity of pulsar emissions becomes apparent once we reference the pulses' times of arrivals to the inertial rest frame of the solar system. It follows that errors in the de…