Heating Rates for Protons and Electrons in Polar Coronal Holes: Empirical Constraints from the Ultraviolet Coronagraph Spectrometer

@article{Cranmer2020HeatingRF,
  title={Heating Rates for Protons and Electrons in Polar Coronal Holes: Empirical Constraints from the Ultraviolet Coronagraph Spectrometer},
  author={S. Cranmer},
  journal={The Astrophysical Journal},
  year={2020},
  volume={900},
  pages={105}
}
  • S. Cranmer
  • Published 2020
  • Physics
  • The Astrophysical Journal
Ultraviolet spectroscopy of the extended solar corona is a powerful tool for measuring the properties of protons, electrons, and heavy ions in the accelerating solar wind. The large coronal holes that expand up from the north and south poles at solar minimum are low-density collisionless regions in which it is possible to detect departures from one-fluid thermal equilibrium. An accurate characterization of these departures is helpful in identifying the kinetic processes ultimately responsible… Expand

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