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The Anomalous Acceleration of PSR J2043+1711: Long-Period Orbital Companion or Stellar Flyby?
Thomas Donlon, Sukanya Chakrabarti, Michael T. Lam +53
Based on the rate of change of its orbital period, PSR J2043+1711 has a substantial peculiar acceleration of 3.5 0.8 mm/s/yr, which deviates from the acceleration predicted b…
Bayesian Solar Wind Modeling with Pulsar Timing Arrays
Jeffrey S. Hazboun, Joseph Simon, Dustin R. Madison +27
Using Bayesian analyses we study the solar electron density with the NANOGrav 11-year pulsar timing array (PTA) dataset. Our model of the solar wind is incorporated into a global f…
The NANOGrav 12.5-Year Data Set: Polarimetry and Faraday Rotation Measures from Observations of Millisecond Pulsars with the Green Bank Telescope
Haley M. Wahl, Maura McLaughlin, Peter A. Gentile +28
In this work, we present polarization profiles for 23 millisecond pulsars observed at 820 MHz and 1500 MHz with the Green Bank Telescope as part of the NANOGrav pulsar timing array…
The NANOGrav 11-year Data Set: Solar Wind Sounding Through Pulsar Timing
D. R. Madison, J. M. Cordes, Z. Arzoumanian +28
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has observed dozens of millisecond pulsars for over a decade. We have accrued a large collection of disp…
Chandra Observations of Black-Widow Pulsars
Peter Gentile, Maura McLaughlin, Mallory Roberts +6
We describe the first X-ray observations of binary millisecond pulsars PSRs J0023+0923, J1810+1744, J2215+5135, and J2256-1024. All four are Fermi gamma-ray sources and three are '…