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Towards a global solar magnetic index

Auteur

Gonzalez Hernandez Irene

Institution

National Solar Observatory

Theme

Local helioseismology
Auteur(s) supplémentaire(s)K. Jain (1), K. Tobiska (2), F. Hill (1)
Institution(s) supplémentaire(s)(1) National Solar Observatory, Tucson, AZ, USA. (2) Space Environment Technologies, Pacific Palisades, CA, USA.

Abstract

Seismic maps of the far side of the Sun have proven their capability to locate and track large active regions at the non-visible hemisphere. We present here the possibility of using the average signal from the far-side maps as a proxy to non-visible solar activity which can complement the current front-side solar activity indexes. A preliminary calibration of the Far Side Magnetic Index in terms of Ly-alpha is presented.
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