Other
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.1221b&link_type=abstract
American Astronomical Society, SPD meeting #40, #12.21; Bulletin of the American Astronomical Society, Vol. 41, p.831
Other
Scientific paper
We have used the Extreme Ultraviolet Imaging Spectrometer (EIS) on the Hinode spacecraft to observe large areas of outflow near an active region. These outflows are seen to persist for a number of days. The emission line profiles suggest that the outflow region is composed of multiple outflowing components, Doppler-shifted with respect to each other. We have modelled this scenario by imposing a double-Gaussian fit to the line profiles; these fits represent the profile markedly better than a single Gaussian fit. For the fastest outflowing components, we find velocities as high as 200 km/s. However, there remains a correlation between the fitted line velocities and widths, suggesting that the outflows are not fully resolved by the double-Gaussian fit and that the outflow may be comprised of further components.
Bryans Paul
Doschek George A.
Young Paul R.
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