How do I call eis_prep?#

The standard way of calling eis_prep is:

IDL> eis_prep, filename, /default, /save

where filename is the name of the level-0 FITS file. The /save keyword tells eis_prep to create the level-1 FITS file and associated error FITS file in the working directory. Additional keywords that you may want to use are:

/quiet - eis_prep runs without popping up information widgets.

/retain - retain pixels with zero or negative DN values. See Step 2 in What does eis_prep do?.

/noabs - calibration is not performed, so the final units are DN.

/photons - instead of erg/cm2/s/sr/Angstrom, the final units will be photon counts.

The full list of keywords is given in the header of the eis_prep routine.

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« This page (revision-3) was last changed on 07-Dec-2016 14:14 by Gardini