Paper:	ESO Archive Services
Volume:	347, Astronomical Data Analysis Software and Systems XIV
Page:	674
Authors:	Rossat, N.; Delmotte, N.; Fourniol, N.; Pirenne, B.; Dobrzycki, A.
Abstract:	The ESO/ST-ECF Science Archive Facility (SAF) is a joint collaboration of the European Southern Observatory (ESO) and the Hubble Space Telescope-European Coordinating Facility (ST-ECF). The archive provides access to data from both the Hubble Space Telescope (HST) and the European Southern Observatory (ESO). The ESO Science Archive offers a number of on-line information services relevant to ESO users and to the community at large. In this paper, we will go through the different steps that enable a user to retrieve raw and processed data, from the query form to the actual processing. The concept of “Header On The Fly (HOTF)” that “repairs” possibly wrong data headers with meta-data from a database is also presented, together with the fact that calibrated data from ESO instruments will shortly be made available. The emphasis in this paper will be on how the meta-data describing each ESO observation is kept in a relational database in instrument specific tables, and how this information is used to correct data upon distribution. The avenues for making ESO science products available to the Virtual Observatory (VO)1 will also be explored.

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