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SUMMARY:Constraining the evolution of dynamic environments surrounding act
 ively repeating fast radio bursts
DTSTART;VALUE=DATE-TIME:20261028T171500Z
DTEND;VALUE=DATE-TIME:20261028T172500Z
DTSTAMP;VALUE=DATE-TIME:20261024T010850Z
UID:indico-contribution-3667@nyx.physics.mcgill.ca
DESCRIPTION:Speakers: Nicole Mulyk (McGill University)\nFast radio bursts 
 (FRBs) are short-duration (ms)\, bright (Jy-kJy) bursts of radio emission\
 , generally originating from cosmological distances. Although thousands of
  FRB events have been published\, the progenitor and emission mechanism of
  FRBs are still not well understood. While most FRBs appear to be one-off 
 events\, ~2% of FRBs have been observed to repeat. The Canadian Hydrogen I
 ntensity Mapping Experiment (CHIME) radio telescope has detected thousands
  of FRBs\, monitoring a large number of repeaters over multi-year baseline
 s with a daily cadence. Radio spectra of FRBs are uniquely able to probe t
 he properties of the plasma in the FRBs' immediate vicinity. CHIME/FRB’s
  high time resolution (2.56 μs) and broadband\, low-frequency coverage ma
 ke CHIME/FRB ideal for constraining propagation effects and monitoring the
 m over time. Recent works have discovered secular evolution of the magneti
 zed plasma surrounding a few peculiar repeating FRBs\, linking them to you
 ng stellar remnants of massive stars. Our project builds on this work by m
 easuring changes in the magnetoionic plasma over a timescale of months to 
 years\, for a diverse sample of ~50 repeaters observed by CHIME/FRB. By ex
 amining changes in the magnetoionic plasma for a larger population of repe
 aters\, we aim to establish boundaries on the potential progenitor or envi
 ronment for the general population of repeating FRBs.\n\nhttps://nyx.physi
 cs.mcgill.ca/event/587/contributions/3667/
LOCATION:Online 
URL:https://nyx.physics.mcgill.ca/event/587/contributions/3667/
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