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132 18-Apr-2021 19:04 3 KB JianSun to previous
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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Absolute Calibaration and /NOABS Keyword
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!! Getting started
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%%(text-align:justify;)
We have run 40 " slot time-series data. Once we run the eis_prep with /noabs
keyword then we get the Intensity in 'DN' units. While, when we run the
same with absolute calibaration (without /noabs keyword), we get the intensity in absolute
cgs unit.However, this is surprising that when we are plotting intensities
with time, we are getting the different patterns of variations in the above mentioned
two cases. This is affecting our further analysis and also confuses which one we have
to choose. Either DNs one or absolute one ?? !!!!
Why they are giving different pattern?. There should only be the
difference in magnitude. why the pattern is also varying. Which one we have to choose for our further analysis ?
Is it here any problem with absolute calibaration of EIS ?
Please suggest !%%
*[EIS data analysis tutorial|ParisTutorial] (Paris meeting, Nov 2007)
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----
*[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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*[EIS Tutorials @ Naval Research Laboratory (NRL)|http://tcrb.nrl.navy.mil/~hwarren/tutorial.html]
*[EIS Data Analysis Guide @ Mullard Space Science Laboratory (MSSL)|https://vsolar.mssl.ucl.ac.uk/SolarB/SoftGuides.jsp]
*[EIS Spectroscopy analysis tutorial|http://www.astro.gla.ac.uk/solaire/mat.php] (on SOLARIE-SODAS, Glasgow June 2009)
\\
\\
!!Software
An EIS FITS file is read into an IDL object with:
{{{
IDL> data=obj_new('eis_data',filename)
}}}
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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*[The tilt of the EIS slit|TiltOfEISslit]
*[Fitting EIS lines with EIS_MOMENT |EISMomentsObjects]
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*[Offset between CCDs in the y direction|CCDOffset]
*[A Wrapper to the EIS Objects (EIS_GETWINDATA) |EISGetWindata]
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*[Offset between CCDs in the x direction|CCDOffsetX]
*[Using the EIS Subversion Repository |EISRepository]
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*[Orbital variation of line position|OrbitalVariationLinePosition]
!EIS_PREP
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*[Hot pixels|HotPixels]
*[How do I call EIS_PREP?|eis_prep_call]
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*[EIS_CAT and the EIS Science Data Catalog|EISDBTop]
*[What does EIS_PREP do?|eis_prep]
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*[Removing cosmic rays|CosmicRays]
*[Evaluation of errors in EIS_PREP|EvaluationOfErrorsInEis_prep]
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*[EIS pointing stability|PointingStability]
!Gaussian fitting
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*[Fitting EIS lines with eis_moment|EISMomentsObjects]
The document below details software available in the EIS Solarsoft tree for fitting Gaussians to EIS data.
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*[A Wrapper to the EIS Objects (eis_getwindata) |EISGetWindata]
[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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*[Where EIS was observing|where_EIS_was_observing]
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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*[Complete List Of EIS Studies?|Complete_List_Of_EIS_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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*[Line width variation studies by EIS?|Line_width_variation_studies_by_EIS]
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*[Warm Pixels|EisWarmPixelsPage]
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*[2" EIS Slit|2EISSlit]
!FITS file issues
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*[Big EIS fits files|BigEISFitsFiles]
*[Big EIS FITS files|BigEISFitsFiles]
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*[Pointing Information in EIS fits files|FitsPointing]
*[EIS exposure times; the GETEXP() method|EISExposureTimesGetexpMethod]
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*[EIS internal coalignment?|InterCo]
*[Missing data/missing files|MissingData]
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*[Inter-instrument offsets for Hinode|InterInstrumentOffsets]
!Search EIS studies
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----
*[Searching for EIS Studies on the Web |EIS_Web_Search]
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Other EIS data analysis help source:
*[EIS study search tool in Solarsoft|EIS_study_search_tool]
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*[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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*[EIS Tutorials @ Naval Research Laboratory (NRL)|http://tcrb.nrl.navy.mil/~hwarren/tutorial.html]
\\
\\
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*[EIS Data Analysis Guide @ Mullard Space Science Laboratory (MSSL)|http://msslxr.mssl.ucl.ac.uk:8080/SolarB/SoftGuides.jsp]
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----
!!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