Project Grant 2501333

Award Date 5/1/25
Completion Date 4/30/28
Dollars Obligated $579K
Federal Grant Program
47.050
Assistance Type
Project Grant
Place of Performance
San Diego, CA 92121, USA
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The key products and services to be delivered include:

  • Comparing ballistic mapping and steady-state models with time-dependent computational models of the corona and heliosphere to understand how the nature of open magnetic flux changes
  • Investigating the origin of large-scale solar wind "switchbacks" and their relationship to small-scale solar phenomena observed by the Parker Solar Probe
  • Determining whether in-situ solar wind measurements are more influenced by structured heliospheric conditions or inherent variability along specific magnetic flux tubes
  • Assessing the implications for current empirical models of the inner heliosphere

This research aims to advance scientific understanding of the dynamic coupling between the solar corona and heliosphere, and how solar cycle variations impact this coupled system. The award period runs from May 1, 2025 to April 30, 2028.

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