... Up: Archives and Information Services . ... The VLT Archive System goals can be summarized as follows: i) record the history of VLT observations in the long term; ii) provide a research tool - make the Science Archive another VLT instrument; iii) help VLT operations to be predictable by providing traceability of instrument performance; iv) support observation preparation and analysis. ... Figure 2: Overview of the VLT Science Archive Research Environment. ... Figure 3 illustrates the general concept...