Time-Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals

Details Time-Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals Time-Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..416..163i&link_type=abstract

Solar-Stellar Dynamos as Revealed by Helio- and Asteroseismology: GONG 2008/SOHO 21 ASP Conference Series, Vol. 416, proceedings

Astronomy and Astrophysics

Astronomy

Scientific paper

The purpose of this work is to image the solar far-side active regions using acoustic signals with three skips. The mapping of the far-side active regions was first made possible (Lindsey & Braun 2000) using helioseismic holography technique by use of four-skip acoustic signals. The quality of far-side images was later improved with the combination of four- and five-skip signals using the time-distance technique (Zhao 2007). In this work, we further explore the possibility of making three-skip far-side images of active regions, and improving the image quality by combining the three-skip images with the images obtained from existing techniques.

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