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April 1998: The Gemini Science Committee (GSC) endorsed the following resolution concerning a Science Archive for Gemini:
"The GSC thinks a Gemini science archive is scientifically compelling. Such an archive would provide the scientific community with tools for effective online access to all Gemini science data and supporting information in order to promote further scientific exploitation of those data. The Gemini Science Archive should guarantee that the valuable datasets obtained with the Gemini Telescopes are usable by future generations for research and education. The Project should further study the implementation and the resources required for a Gemini science archive."
The Gemini Board has endorsed the GSC views on a Gemini Science Archive, and agreed that the Project should study the specifications and requirements for a science archive.
September 1998: In order to provide a basis for the science archive conceptual design activities, Gemini sponsored a workshop to asses the feasibility of a viable Gemini Science Archive and recommend prioritized specifications and requirements for the science archive. The Science Archive Workshop was held on Monday 14 September 1998, in the Gemini Hilo Base Facility, Hilo, Hawaii. The recommendations of the Workshop are given below as is a summary of the presentations and discussions.
The Board also approved, for planning purposes, the use of a portion of Gemini operations funding for the development and continued support of a Gemini Science Archive. The Gemini Director has established a guideline of 5% of the Instrument and Facilities Development Fund (about $175K per year) for the continuing support of a possible Gemini Science Archive.
November 2000: The Functional and Performance Requirements Document and the Operational Concept Definition Document issued. These documents can be viewed at the link below.
November 2001: A review of the GSA Phase II Operations and Development Plan is held at CADC, Victoria B.C. The final version of the resulting document, from August 2002, is presented at the following link.
May 2002: Concept Design Document issued. This document can be viewed at the link below.
January 2003: Documentation on the nature, extent and operation of the GSA and Meta-Data-Database, the MDDB, are generated. These documents are available via the links below.
February 2003: The GSA Phase II Development contract is signed by NRC, CADC and Gemini !!
March 2003: CADC staff visit Gemini North, Hilo for a week of finalizing basic archive capabilities, MDDB structure and content and operational model.
October 2003: The GSA Operations contract is signed. CADC will operate the GSA for an initial 5 year period.
November 2003: The prototype GSA, the GSAp, is released to the public on the first day of the November 2003 Gemini Board Meeting!
September 2004: Full Basic GSA 1.0 release to public! A milestone!
November 2004: Design Study proposal for Advanced Capabilities-1 "Electronic Transfer and PI Distribution" signed by Gemini/HNRC.
February 2005: Contract signed for AC-1 ETPIED mandatory components (Gemini/NRC).
March 2005: GSA Version 1.1 released. Included GNIRS, Michelle, Science Program queries, keyword queries, new dedicated web server, and SV data at CADC.
May 2005: GSA Version 1.2 released. Included Phase 1 of PI Electronic Distribution (raw data, weather data), MDF links, new database server for improved reliability and performance.
July 2005: Contract signed (Gemini/HNRC) for AC-1 ETPIED desireable components (advanced logging and reporting).
October 2005: GSA Version 1.3 released. Included Full PI Electronic Distribution (raw data, weather data, processed cals, iraf scripts/logs, xml science programs, readme files etc), Processed Cal query page, sacience results page linked to processed cals.
October 2005: Gemini DataFlow project DataManager transferring 'raw' data from Gemini South to GSA within minutes of acquisition. The 'raw' data is overwritten by checked/quality controlled data when available. Gemini North to follow suit in December 2005.
October 2005: GMOS-N and GMOS-S reduced pre-imaging data is ingested into GSA as soon as av available. PIs retrieve pre-imaging from GSA rather than sftp.
November 2005: First fully reduced Gemini data (GMOS imaging) published to VO world. Example datasets only, users can search for NGC891 and V1647 Ori on Datascope web site and see CADC/Gemini data!
November 2005: Discussions on VO-enabling GSA with aim of contract development for early 2006.