Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.0802b&link_type=abstract
American Astronomical Society, SPD meeting #42, #8.02; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Recent advances in our understanding of solar filaments on the disk and prominences off the limb have come primarily from the Hinode/Solar Optical Telescope (SOT) and the Solar Dynamics Observatory/Atmospheric Imaging Assembly (AIA). These moderate spatial and temporal resolution instruments offer the huge advantage of seeing-free, low-scattering, observations from space. However they are limited in their abilities to provide spectral and/or polarimetric information. In contrast, the ATST will provide extremely high spatial and temporal resolution images of both filaments and prominences in a wide variety of spectral lines and polarimetric modes. We review recent SOT and AIA research as well as the current science questions regarding the formation and dynamics of filaments and prominences and their role in active and quiet-region coronal mass ejections. We then discuss key measurements that the ATST is expected to make and how these measurements will significantly advance our understanding of these enigmatic markers of magnetic energy storage in the solar corona.
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