## Abstract Using helioseismic holography strong evidence is presented that the phase (or equivalent travelβtime) of helioseismic signatures in Dopplergrams within sunspots depend upon the lineβofβsight angle in the plane containing the magnetic field and vertical directions. This is shown for the
Outstanding problems in local helioseismology
β Scribed by L. Gizon; M. J. Thompson
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 124 KB
- Volume
- 328
- Category
- Article
- ISSN
- 0004-6337
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