Critical Magnetic Field Strengths for Unipolar Solar Coronal Plumes in Quiet Regions and Coronal Holes?

Ellis Antonia Avallone1, Sanjiv K Tiwari2,3, Navdeep Kaur Panesar4 and Ronald L Moore4,5, (1)University of Washington Seattle Campus, Seattle, WA, United States, (2)Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, CA, United States, (3)Bay Area Environmental Research Institute Palo Alto, Palo Alto, CA, United States, (4)NASA Marshall Space Flight Center, Huntsville, AL, United States, (5)University of Alabama in Huntsville, CSPAR, Huntsville, AL, United States