National Aeronautics and Space Administration

Living With A Star

Targeted Research and Technology

Fields, Fractals, and Flares: Understanding Magnetic Coimplexity in Solar Active Regions

ROSES ID: NRA-03-OSS-01      Selection Year: 2004      

Program Element: Independent Investigation: LWS

Principal Investigator: Peter Gallagher

Affiliation(s): GSFC

Project Member(s):
Ireland, Jack COI EER Systems, Inc
Newman, Joanne B. Authorizing Official L-3 Communications Government Services Inc.


Solar active regions are the source of many energetic and geo-effective events such as solar flares and coronal mass ejections (CMEs). Understanding how these complex source regions evolve and produce these events is of fundamental importance, not only to solar physics, but also to the demands of space weather forecasting. We propose to investigate the physical properties of active region magnetic fields using fractal-, gradient-, neutral line-, emerging flux-, and wavelet-based techniques, and to correlate them with solar activity. This will form the basis of a real-time online database of spaceweather-relavent data products. This timely study represents a non-phenomenological approach to describing and understanding active region evolution and the conditions that result in energy release. The results of this study will provide an important knowledge base for future missions within the Living With a Star (LWS) program, such as the Solar Dynamics Observatory (SDO), and the development of online environments such as the Virtual Solar Observatory (VSO).


Performance YearReferenceInvestigation TypeActions
1Peter Gallagher / GSFC - Fields, Fractals, and Flares: Under...
not set

Export to PDF