This page (revision-13) was last changed on 07-Dec-2016 14:14 by Peter Young

This page was created on 24-Feb-2010 18:15 by PeterYoung

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At line 14 changed one line
IDL> eis_prep, filename, /default, /save, /retain, /quiet
IDL> eis_prep, filename, /default, /save, /retain, /quiet, /correct_sensitivity
At line 28 changed one line
Full details of the various keyword inputs to eis_prep are given in EIS Note #1, where detailed descriptions of the various steps performed by eis_prep are given.
Full details of the various keyword inputs to eis_prep are given in [EIS Software Note #1|ftp://sohoftp.nascom.nasa.gov/solarsoft/hinode/eis/doc/eis_notes/01_EIS_PREP/eis_swnote_01.pdf], where detailed descriptions of the various steps performed by eis_prep are given.
At line 30 changed one line
One featue of eis_prep is that bad pixels in the data are flagged as 'missing'. These bad pixels can be due to cosmic ray hits, saturated pixels, dust particles on the detector, hot pixels and warm pixels. The latter are by far the most numerous, and described in more detail in EIS Note #6. Bad pixels are flagged only in the error file and are assigned a value of -100. The bad pixels in the level-1 file are replaced by a value interpolated from neighbouring pixels. More details about the effect of missing data on EIS data analysis and interpolation methods are given in EIS Note #13.
One featue of eis_prep is that bad pixels in the data are flagged as 'missing'. These bad pixels can be due to cosmic ray hits, saturated pixels, dust particles on the detector, hot pixels and warm pixels. The latter are by far the most numerous, and are described in more detail in [EIS Software Note #6|ftp://sohoftp.nascom.nasa.gov/solarsoft/hinode/eis/doc/eis_notes/06_HOT_WARM_PIXELS/eis_swnote_06.pdf]. Bad pixels are flagged only in the error file and are assigned a value of -100. The bad pixels in the level-1 file are replaced by a value interpolated from neighbouring pixels. More details about the effect of missing data on EIS data analysis and interpolation methods are given in [EIS Software Note #13|ftp://sohoftp.nascom.nasa.gov/solarsoft/hinode/eis/doc/eis_notes/13_INTERPOLATION/eis_swnote_13.pdf].
This page (revision-13) was last changed on 07-Dec-2016 14:14 by Peter YoungTop