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The Green Bank North Celestial Cap Survey. VII. 12 New Pulsar Timing Solutions
Joseph K. Swiggum, Ziggy Pleunis, Emilie Parent +22
We present timing solutions for 12 pulsars discovered in the Green Bank North Celestial Cap (GBNCC) 350 MHz pulsar survey, including six millisecond pulsars (MSPs), a double neutro…
Probing the Plasma Tail of Interstellar Comet 2I/Borisov
P K Manoharan, Phil Perillat, C J Salter +8
We present an occultation study of compact radio sources by the plasma tail of interstellar Comet 2I/Borisov (C/2019 Q4) both pre- and near-perihelion using the Arecibo and Green B…
An unusual pulse shape change event in PSR J1713+0747 observed with the Green Bank Telescope and CHIME
Ross J. Jennings, James M. Cordes, Shami Chatterjee +41
The millisecond pulsar J1713+0747 underwent a sudden and significant pulse shape change between April 16 and 17, 2021 (MJDs 59320 and 59321). Subsequently, the pulse shape graduall…
Simulating Spectral Kurtosis Mitigation Against Realistic RFI Signals
Evan T. Smith, Ryan Lynch, D. J. Pisano
We investigate the effectiveness of the statistical radio frequency interference (RFI) mitigation technique spectral kurtosis (SK) in the face of simulated realistic RFI signals. S…
Pulse Profiles and Polarization of Terzan 5 Pulsars
Ashley R. Martsen, Scott M. Ransom, Megan E. DeCesar +6
Terzan 5 is a rich globular cluster within the galactic bulge that contains 39 known millisecond pulsars, the largest known population of any globular cluster. The Terzan 5 pulsars…
Frequency-dependent polarization of repeating fast radio bursts-implications for their origin
Yi Feng, Di Li, Yuan-Pei Yang +23
The polarization of fast radio bursts (FRBs), bright astronomical transients, contains crucial information about their environments. We report polarization measurements of five rep…