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Overview

This is a tutorial for the reduction of GMOS longslit spectroscopic data with DRAGONS.

GMOS is an imager and spectrograph offering longslit spectroscopy, multi-object spectroscopy (MOS), and integral field spectroscopy. This tutorial focuses on the longslit spectroscopy. For a tutorial on the reduction of GMOS imaging data, see .

Here is a tutorial that you, the reader, can run and experiment with. This document comes with a downloadable data package that contains all the data you need to run the examples presented. Instructions on where to get that package and how to set things up are given in datasetup.

The GMOS longslit tutorial series contains several scientific examples covering normal longslit spectroscopy and nod-and-shuffle spectroscopy.

The reduction can be done in two different ways:

  • From the terminal using the command line.
  • From Python using the DRAGONS classes and functions.

We show how to run the same reduction using both methods.

  • dithered_example
  • large_dither_example
  • ns_example
  • nsred_example

See the to install the software if you have not already.