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Scattering variability detected from the circumsource medium of FRB 20190520B
S. K. Ocker, J. M. Cordes, S. Chatterjee +5
Fast radio bursts (FRBs) are millisecond-timescale radio transients, the origins of which are predominantly extragalactic and likely involve highly magnetized compact objects. FRBs…
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…
The second set of pulsar discoveries by CHIME/FRB/Pulsar: 14 Rotating Radio Transients and 7 pulsars
Fengqiu Adam Dong, Kathryn Crowter, Bradley W. Meyers +13
The Canadian Hydrogen Mapping Experiment (CHIME) is a radio telescope located in British Columbia, Canada. The large FOV allows CHIME/FRB to be an exceptional pulsar and Rotating R…
CHIME Discovery of a Binary Pulsar with a Massive Non-Degenerate Companion
Bridget C. Andersen, Emmanuel Fonseca, J. W. McKee +25
Of the more than radio pulsars currently known, only are in binary systems, and only five of these consist of young pulsars with massive non-degenerate compan…
Detection of quasi-periodic micro-structure in three millisecond pulsars with the Large European Array for Pulsars
K. Liu, J. Antoniadis, C. G. Bassa +24
We report on the detection of quasi-periodic micro-structure in three millisecond pulsars (MSPs), PSRs J1022+1001, J2145-0750 and J1744-1134, using high time resolution data acquir…
Robust parameter estimation from pulsar timing data
A. Samajdar, G. Shaifullah, A. Sesana +8
Recently, global pulsar timing arrays have released results from searching for a nano-Hertz gravitational wave background signal. Although there has not been any definite evidence…