Physics
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..369..231d&link_type=abstract
New Solar Physics with Solar-B Mission ASP Conference Series, Vol. 369, proceedings of the conference held 8-11 November, 2005 a
Physics
1
Scientific paper
The dynamics of the chromosphere are dominated by waves and spicules, jet-like features that are propelled upwards at speeds of 10-20 km/s from the photosphere into the low magnetized atmosphere. Spicules have been a significant challenge to both observers and theorists, mostly because of their highly dynamic nature and small size, which are close to current observational limits. The advent of Solar B will enable the first seeing-free observations that are of high enough spatial and temporal resolution to reveal the intricate links between the photospheric magnetic field and elements, the photospheric flowfield and waves and chromospheric spicules. In this paper, I focus on the advances Solar-B will be able to make in our understanding of the formation of spicules and their impact on transition region and corona. To illustrate the issues and methods needed to tackle this difficult problem, I present recent work on a synthesis of very high resolution observations of spicule-like fibrils in active region plage using the Swedish Solar Telescope (SST, La Palma, Spain) combined with theoretical modelling of spicule formation.
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