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October 12, 2025The Astrophysical JournalOpen Access

Magnetohydrodynamic Tests of Galactic Synchrotron Depolarization

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Authors

AKA. KogutDCDavid C. Collins

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Overview

MHD simulations reveal how turbulence impacts synchrotron emission polarization, indicating vital insights into the interstellar medium.

Key Points

  • Substantial depolarization occurs in synchrotron emissions, with observed fractional polarization below 5%.
  • MHD simulations show that turbulent plasma conditions closely reproduce observed polarization angle patterns.
  • Sonic and Alfvén Mach number limits were maintained in simulations to align with Galactic observations.
  • Findings support models of the local inclination of the Galactic magnetic field and suggest adjustments to unpolarized emission brightness.

Cite This Study

Kogut et al. (2025) studied this question.

synapsesocial.com/papers/68ebabe3155248a327effc08https://doi.org/10.3847/1538-4357/ae0a14
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