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However since many observers are familiar with the spextool pipeline used at the IRTF, we also save the output in SpeX format, in the file "Object/Spec_xxxx.fits" for each exposure. These files are 2048 x 3 element matrices, with the three rows representing wavelength, flux, and error. By saving in this format, we can use the spextool package routines to combine spectra and perform telluric correction.
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