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

Ellis A Avallone, University of Hawaii at Manoa, Astronomy, Honolulu, HI, United States, Sanjiv K Tiwari, Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, CA, United States; Bay Area Environmental Research Institute Palo Alto, Palo Alto, CA, United States, Navdeep Kaur Panesar, NASA Marshall Space Flight Center, Huntsville, AL, United States and Ronald Lee Moore, NASA Marshall Space Flight Center, Huntsville, United States; University of Alabama in Huntsville, CSPAR, Huntsville, AL, United States