This page (revision-23) was last changed on 28-Aug-2023 22:31 by Peter Young

This page was created on 26-Jul-2007 22:00 by Mike Smith

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[{ALLOW edit EISMainUsers}]
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It has been noted that Fe VIII and Si VII rasters look nearly identical [(Young et al. 2007)|http://adsabs.harvard.edu/abs/2007PASJ...59S.857Y] but the temperature of formation for the two ions are seperated by about 0.2 dex. This image illustrates this by comparing Mg, Si, and Fe images in this temperature range. These data suggest that the Fe VIII and perhaps Fe IX are formed at higher temperatures than suggested by the ionization balance calculations of [Mazzotta et al. (1998)|http://adsabs.harvard.edu/abs/1998A%26AS..133..403M].
It has been noted that Fe VIII and Si VII rasters look nearly identical [(Young et al. 2007)|http://adsabs.harvard.edu/abs/2007PASJ...59S.857Y] but the temperature of formation for the two ions are separated by about 0.2 dex. This image illustrates this by comparing Mg, Si, and Fe images in this temperature range. These data suggest that Fe VIII and perhaps Fe IX are formed at higher temperatures than suggested by the ionization balance calculations of [Mazzotta et al. (1998)|http://adsabs.harvard.edu/abs/1998A%26AS..133..403M].
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An explanation for this observation is given by [Brooks, Warren, and Young (2011)|http://adsabs.harvard.edu/abs/2011ApJ...730...85B].
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Since the change to S-band operations in 2008 it has been common to see missing exposures when forming rasters from EIS data. Another feature has been the appearance of anomalously bright exposures. The link below shows examples from one raster data-set.
Since the change to S-band operations in 2008 it has been common to see missing exposures when forming rasters from EIS data. Another feature has been the appearance of anomalously bright exposures. The link below shows examples from one raster data-sets.
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!Flares of AR 12192 (October 2014)
[Summary of EIS observations|AR12192obs].
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!Flares of AR 12673 (September 2017)
[Summary of EIS observations|AR12673obs].
This page (revision-23) was last changed on 28-Aug-2023 22:31 by Peter YoungTop