Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-09-15
Publ.Astron.Soc.Pac.117:1271-1283,2005
Astronomy and Astrophysics
Astrophysics
19 pages, 10 figures and 1 table. Accepted for publication in PASP
Scientific paper
10.1086/496936
With new generation spectrographs integral field spectroscopy is becoming a widely used observational technique. The Integral Field Unit of the VIsible Multi-Object Spectrograph on the ESO-VLT allows to sample a field as large as 54" x 54" covered by 6400 fibers coupled with micro-lenses. We are presenting here the methods of the data processing software developed to extract the astrophysical signal of faint sources from the VIMOS IFU observations. We focus on the treatment of the fiber-to-fiber relative transmission and the sky subtraction, and the dedicated tasks we have built to address the peculiarities and unprecedented complexity of the dataset. We review the automated process we have developed under the VIPGI data organization and reduction environment (Scodeggio et al. 2005), along with the quality control performed to validate the process. The VIPGI-IFU data processing environment is available to the scientific community to process VIMOS-IFU data since November 2003.
Adami Chris
Arnaboldi Magda
Arnouts Stephane
Bardelli Sandro
Bolzonella Micol
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