!!EIS Data Processing and Analysis\\


! Getting started

*[EIS data analysis tutorial|ParisTutorial] (Paris meeting, Nov 2007)

*[EIS Tips (en) @ National Astronomical Observatory of Japan (NAOJ) |http://solar-b.nao.ac.jp/hinode_wiki/index.php?EIS%20Tips%20List]

*[EIS Tutorials @ Naval Research Laboratory (NRL)|http://tcrb.nrl.navy.mil/~hwarren/tutorial.html]

*[EIS Data Analysis Guide @ Mullard Space Science Laboratory (MSSL)|http://msslxr.mssl.ucl.ac.uk:8080/SolarB/SoftGuides.jsp]


!Software

*[Data analysis routines|DataAnalysisRoutines]

*[Fitting EIS lines with eis_moment|EISMomentsObjects]

*[A Wrapper to the EIS Objects (eis_getwindata) |EISGetWindata]



!EIS_PREP

* [How do I call eis_prep?|eis_prep_call]

* [What does eis_prep do?|eis_prep]

*[Evaluation of errors in eis_prep]

!EIS pointing and alignment issues

*[Offset between CCDs in the y direction|CCDOffset]

*[Offset between CCDs in the x direction|CCDOffsetX]

*[EIS pointing stability|PointingStability]

*[Pointing Information in EIS fits files|FitsPointing]

*[Inter-instrument offsets for Hinode|InterInstrumentOffsets]

*[EIS internal coalignment?|InterCo]

* [Grating tilt (spectrum rotation) and effect on line ratios|SpectralTilt]

* [Co-alignment of EIS to magnetograms]

!Slit tilts

*[The tilt of the EIS slit|TiltOfEISslit]

*[2" EIS Slit|2EISSlit]


! CCD features

*[Hot pixels|HotPixels]

*[Warm Pixels|EisWarmPixelsPage]

*[Removing cosmic rays|CosmicRays]

*[Top and bottom of hot/warm pixels maps|TopBottomHotWarmMaps]


! Gaussian fitting

For automatically fitting a Gaussian to an emission line over an entire raster and analysing the results, the following routines are available:

* [eis_auto_fit.pro|AutoFit]

* [Viewing the fits - eis_fit_viewer|FitViewer]

* [Correcting fits for slit tilt|CorrectSlitTilt]

* [Correcting fits for orbital variation|CorrectOrbitVariation]

If you want to average a spatial region and fit multiple lines in the spectrum, then the following tutorials describe available software:

* [Tutorial for spatially-averaging spectra|gauss_pixel_masks.pdf]

* [Tutorial for spec_gauss_widget |spec_gauss_widget_tutorial.pdf]

! EIS Spatial Resolution

* [Estimating spatial resolution using observed features|TRbrightenings]

! JPEG Compression and EIS Spectral Line Profiles

* [The Impact of JPEG Compression on EIS Spectral Data |EISJPEG]


! FITS files issues

*[Big EIS fits files|BigEISFitsFiles]

*[EIS exposure times; getexp() method]

*[Missing data/files|MissingData]


!Miscellaneous

*[What's the "orbital variation of line position" about?|OrbitalVariationLinePosition]

*[EIS_CAT and the EIS Science Data Catalog|EISDBTop]

*[Where was EIS observing?|where_EIS_was_observing]

*[The Complete List of EIS Studies|Complete_List_Of_EIS_Studies]

*[What is EIS's Instrumental Line Width?|InstrumentalWidthOfEIS]

*[How big is EIS's field of view?|EIS_FOV]


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