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131 08-Jul-2010 15:35 4 KB PeterYoung to previous | to last
130 06-Jul-2010 18:47 4 KB RonYurow to previous | to last
129 06-Jul-2010 16:24 4 KB PeterYoung to previous | to last
128 06-Jul-2010 16:23 4 KB PeterYoung to previous | to last
127 28-Jun-2010 19:33 4 KB RonYurow to previous | to last
126 28-Jun-2010 19:31 4 KB RonYurow to previous | to last
125 23-Jun-2010 19:47 4 KB PeterYoung to previous | to last
124 14-Jun-2010 15:32 3 KB PeterYoung to previous | to last
123 20-May-2010 12:06 3 KB JianSun to previous | to last add one more link to EIS Spectral Atlases
122 20-May-2010 12:04 4 KB JianSun to previous | to last
121 20-May-2010 12:03 4 KB JianSun to previous | to last add link to EIS Spectral Atlases files

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At line 1 changed 2 lines
!!This is EIS Data Processing and Analysis page.\\
All related materials go here, thanks.
[{ALLOW edit EISMainUsers}]
[{ALLOW view Anonymous}]
!!!EIS Data Processing and Analysis\\
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----
!! Getting started
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[The tilt of the EIS slit|TiltOfEISslit]
*[EIS data analysis tutorial|ParisTutorial] (Paris meeting, Nov 2007)
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[Offset between CCDs in the y direction|CCDOffset]
*[EIS Tips (en) @ National Astronomical Observatory of Japan (NAOJ) |http://solar-b.nao.ac.jp/hinode_wiki/index.php?EIS%20Tips%20List]
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[Offset between CCDs in the x direction|CCDOffsetX]
*[EIS Tutorials @ Naval Research Laboratory (NRL)|http://tcrb.nrl.navy.mil/~hwarren/tutorial.html]
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[Orbital variation of line position|OrbitalVariationLinePosition]
*[EIS Data Analysis Guide @ Mullard Space Science Laboratory (MSSL)|https://vsolar.mssl.ucl.ac.uk/SolarB/SoftGuides.jsp]
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[Hot pixels|HotPixels]
*[EIS Spectroscopy analysis tutorial|http://www.astro.gla.ac.uk/solaire/mat.php] (on SOLARIE-SODAS, Glasgow June 2009)
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[EIS_CAT and the EIS Science Data Catalog|EISDBTop]
\\
\\
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[Removing cosmic rays|CosmicRays]
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[EIS pointing stability|PointingStability]
!!Software
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[Fitting EIS lines with eis_moment|EISMomentsObjects]
An EIS FITS file is read into an IDL object with:
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[EIS Tips (en) @ NAOJ |http://solar-b.nao.ac.jp/hinode_wiki/index.php?EIS%20Tips%20List]
{{{
IDL> data=obj_new('eis_data',filename)
}}}
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[A Wrapper to the EIS Objects (eis_getwindata) |EISGetWindata]
where 'filename' is the name of the level-1 file (a level-0 file can be read in the same way). Information can be extracted from the object via a large number of [object methods|EISmethods].
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[Where EIS was observing|where_EIS_was_observing]
*[Data analysis routines|DataAnalysisRoutines]
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[Complete List Of EIS Studies?|Complete_List_Of_EIS_Studies]
*[Fitting EIS lines with EIS_MOMENT |EISMomentsObjects]
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----
*[A Wrapper to the EIS Objects (EIS_GETWINDATA) |EISGetWindata]
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*[Using the EIS Subversion Repository |EISRepository]
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\\
!EIS_PREP
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----
*[How do I call EIS_PREP?|eis_prep_call]
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*[What does EIS_PREP do?|eis_prep]
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*[Evaluation of errors in EIS_PREP|EvaluationOfErrorsInEis_prep]
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!Gaussian fitting
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----
The document below details software available in the EIS Solarsoft tree for fitting Gaussians to EIS data.
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2. Line_width_variation_studies_by_EIS?
[Gaussian fitting for the Hinode/EIS mission|https://hyperion.nascom.nasa.gov/svn/eis/release/doc/fitting/eis_auto_fit.pdf]
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Examples for using the routine eis_auto_fit to automatically fit Gaussians across a raster are given in the document below.
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I'm getting first level data from zero level after usual reduction by 'eis_prep'. However, when i am fitting the lines by xcfit, i'm getting the spectrum slightly displaced from the wavelength values given in the data window. What error this will make in the calculations?. Secondly, can we get the accurate width variation ? , and can we use these datas for line-width variation studies ?
[Gaussian fitting examples using eis_auto_fit|https://hyperion.nascom.nasa.gov/svn/eis/release/doc/fitting/eis_auto_fit_examples.pdf]
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--[A.K. Srivastava], 02-July-2007
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----
!FITS file issues
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Line_width_variation_studies_by_EIS?
Secondly, can we get the accurate width variation ? , and can we use these datas for line-width variation studies ?
–A.K. Srivastava, 02-July-2007
*[Big EIS FITS files|BigEISFitsFiles]
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*[EIS exposure times; the GETEXP() method|EISExposureTimesGetexpMethod]
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In response to your query we would need more information. Various work has been carried on line widths looking at the differences
at different stages or positions of loops by Hara et al., and Doschek et al (both been submitted), so clearly line widths can
be measured.What variation are you referring to?
*[Missing data/missing files|MissingData]
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--[Hiro Hara|http://null], 09-Jul-2007
!Search EIS studies
*[Searching for EIS Studies on the Web |EIS_Web_Search]
*[EIS study search tool in Solarsoft|EIS_study_search_tool]
\\
\\
!!Miscellaneous
*[EIS_CAT and the EIS Science Data Catalog|EISDBTop]
*[How can I see where EIS was observing? Try the EIS Mapper @ GMU|where_EIS_was_observing]
*[The Complete List of EIS Studies|Complete_List_Of_EIS_Studies]
*Suguru Kamio has uploaded an [EIS spectral atlas|eis_atlas.pdf], using data from Charlie Brown's line list paper. Best suited to A0 paper, but readable as a PDF. \\Other resource of EIS Spectral Atlases can be found [here|http://solar.bnsc.rl.ac.uk/ralsolphys/eis_ral.html] or directly access a few PS file: [Active region|http://solar.bnsc.rl.ac.uk/%7Eyoung/solarb_eis/atlas/eis_spec2.ps];   [Quiet Sun|http://solar.bnsc.rl.ac.uk/%7Eyoung/solarb_eis/atlas/eis_qs_spectrum.ps];   [Flare|http://solar.bnsc.rl.ac.uk/%7Eyoung/solarb_eis/atlas/flare_spec.ps]
\\
This page (revision-132) was last changed on 18-Apr-2021 19:04 by JianSunTop