The Pulsar That Threw A Tantrum | Spaceaustralia

In April 2021, PSR J1713+0747 - a high-priority millisecond pulsar for the pulsar timing community - exhibited a significant and unprecedented, long-lasting profile change event. To date, the profile remains affected. The event now has the pulsar timing community considering if millisecond pulsars, a cornerstone in key astrophysics experiments, are as stable as we once thought.

feature 12 mins read 01 Oct 2025 In April 2021, PSR J1713+0747 - a high-priority millisecond pulsar for the pulsar timing community - exhibited a significant and unprecedented, long-lasting profile change event. To date, the profile remains affected. The event now has the pulsar timing community considering if millisecond pulsars, a cornerstone in key astrophysics experiments, are as stable as we once thought. Rotating pulsar with its magnetic field lines and configuration co-rotating. Radio emissions and pulsar profiles are generated in the magnetic field. Credit: NASA SVS. Millisecond…

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• Henry Zimmerman

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