Reduction of Integral Field Spectroscopic Data from the Gemini Multi-Object Spectrograph (a commented example)
arXiv:1409.8264
Abstract
The use of integral field spectroscopy is becoming increasingly popular, hovewer data reduction is still a difficult process. Here I present a step-by-step guide to the reduction of integral field data acquired with the Gemini Multi-Object Spectrograph (GMOS) on GEMINI. The reduction process, separately applied to a standard star and to the science data, includes bias and sky subtraction, flat-fielding, trimming, wavelength and flux calibration, creation of the cubes for each exposure and final combination into a single cube. Typical problems encoutered during the reduction process are discussed. The command list has been adapted from IRAF scripts given as tutorials at the South American Gemini Data Workshop (São José dos Campos, Brazil, October 27-30, 2011) and scripts kindly provided by collaborators.
arXiv comment50 pages, 13 images, notes on the data reduction process
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