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LUCI&MODS Spectroscopic Pipeline

VIPGI

The VIMOS Interactive Pipeline and Graphical Interface (VIPGI) is a complete data reduction environment, originally designed to carry out the reduction of spectroscopic data acquired with the VIMOS spectrograph at the European Southern Observatory (ESO) Very Large Telescope. VIPGI was designed for the reduction of the VIMOS VLT Deep Survey (VVDS) data, but its capabilities were sufficiently general to be easily adaptable to a variety of VIMOS data. During the years, the VIPGI efficiency and the quality of its data reduction products were such to make VIPGI the reduction pipeline of the major extragalactic surveys carried out with VIMOS (e.g. VVDS, zCosmos, VUDS, VIPERS, VANDELS).

The result of this long-lasting experience is the Data Reduction Software (DRS) which is at the core of VIPGI. The DRS is the set of programs and utilities developed to perform the various steps of the data reduction. It is designed to be adaptable to other instruments. About ten years ago the VIPGI core was tuned to make it able to reduce the spectroscopic data of the two main Large Binocular Telescope (LBT) spectrographs: MODS and LUCI.

Similarly to VIMOS, MODS is an optical spectrograph, so the main changes concerned the peculiarities of MODS data but not the deep core of the DRS. LUCI is a near infrared spectrograph and its different wavelength domain required an improvement of the DRS. This version of VIPGI customized for LBT has been used by the LBT spectroscopic data reduction center located at INAF-IASF Milan to reduce all the MODS and LUCI spectra acquired during the Italian time in the last ten years.


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