Physics – High Energy Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20510813s&link_type=abstract
American Astronomical Society Meeting 205, #108.13; Bulletin of the American Astronomical Society, Vol. 36, p.1529
Physics
High Energy Physics
Scientific paper
Astronomy, like High Energy Physics, will bring GB/sec instruments on line within the next decade. As the example of the LHC shows, both technical and political forces imply a multi-tiered architecture in which all data is replicated for reliabilty and performance at several Tier-1 centers and extracts will be stored at many Tier-2 sites. This suggests a world-wide federation of about 10 peta-scale sites, each associated with an LSST-class instrument, interconnected with high-speed networking, forming the core of the Virtual Observatory. Unlike HEP, there is great interest in cross-correlating astronomy data from multiple instruments and telescopes. Users need easy access to data from all sites and some will want to build their own Tier-2 archives. The real-time nature of LSST (and probably other instruments) forces substantial archive and processing facilities co-located with the telescopes.
Axelrod Tim
Gray James
Lupton Robert H.
Pike Robert
Szalay Alex S.
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