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A.M. Title (LMATC)
The last decade has reveal much about the structure of sunspots. New imaging techniques have captured with very high-resolution the structure in the umbra and penumbra, Stokes polarimetry has reveal new details of the magnetic structure, and the long duration observations from space are revealing how sunspots are born and how they disappear. We can expect a significant advance in our understanding of the sunspot phenomena and flux emergence from the images of the temperature and flow structure below the solar surface obtained via acoustic imaging. In parallel with the advances in observational data numerical models are now of sufficient resolution to predict some of the structures and flow systems seen below the surface. Above the surface line profile inversion techniques are revealing the structure of the spot throughout the photosphere.
This work is supported by NASA.
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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.