Trinary Dwarfs-EFS Echelle Format Simulator

The Echelle Format Simulator is very useful for planning and operation, and

is also useful for data reduction. It can be downloaded at:

http://www2.keck.hawaii.edu/inst/nirspec/EFS.html

For data reduction, its useful to use the echelle format simulator to figure

out where in the echelle order the arc lines are. In order to open the

EFS, cd into the nirspec simulate folder after downloading the files,

then use the command idl simstartup to start the EFS. In the

simulator, set the filter, echelle, and cross dispersion.

Then to show the arc lines click on overlays and select OH Lines or

arc lines.

To prepare for the specmap portion of the data reduction it is a

good idea to take a screenshot using printscreen on a windows or

using command shift 4 to take a cropped screenshot of the EFS.

The following is a screenshot of the arc lines for neon, argon,

xenon, and krypton as viewed in the simulator for echele 63

and cross dispersion 35.53.

The following screenshot shows the oh lines as

as viewed in the simulator for echele 63

and cross dispersion 35.53.