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Parkes observations for project P1172 semester 2023APRS_10

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Title Parkes observations for project P1172 semester 2023APRS_10
 
Creator Rami Mandow
 
Subject Astronomical sciences not elsewhere classified
 
Description PSR J1713+0747 is a very important millisecond pulsar for global pulsar timing array campaigns, due to its long-term observation history, very stable and narrow profile and strong S/N. In April 2021, the pulsar experienced a significant event related to a change in its magnetosphere, presented as an observable change in the pulsar profile. Since then, the pulsar has been slowly recovering and we wish to observe this recovery with high-cadence observations to allow us to create a detailed time-resolved series of variations in the MSPs profile, polarisation, and other properties. Under this proposal, we wish to probe the profile recovery on weekly timescales (once per week per month), revealing additional short timescale behaviours, indicative of changes in the magnetosphere which are not available to other telescopes in the world, thanks to the Parkes UWL. This will also allow us to determine if the magnetosphere has returned to its original configuration or is settling into a new one. Understanding the recovery of this event is key for demonstrating that such pulsars are still viable clocks for use in gravitational wave studies, and in turn, provide us with new data on how the normally stable magnetosphere of this millisecond pulsar responds to an impulsive change in state.
 
Publisher CSIRO
 
Contributor Joanne Dawson
George Hobbs
Ramesh Bhat
Chris Russell
Ryan Shannon
Daniel John Reardon
Andrew Zic
Marcus Lower
Vivek Gupta
Malgorzata Curylo
Agastya Kapur
Tommy Marshman
 
Date 2023-08-31
 
Type —
 
Format —
 
Identifier csiro:60127
 
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