Computer Science – Performance
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543808d&link_type=abstract
American Astronomical Society, AAS Meeting #215, #438.08; Bulletin of the American Astronomical Society, Vol. 42, p.393
Computer Science
Performance
Scientific paper
The Dark Energy Survey (DES) collaboration will map out the dark energy equation of state by doing a 5000 degree griZY survey with the Blanco 4 meter telescope, which begins in 2011. The DES data management (DESDM) system will be used to analyze and archive this data and the various science products whose total volume will exceed 1 PB. DESDM consists of several components : astronomy codes to process the data, processing framework to perform automated and high performance data parallel processing, catalog database to support various science analysis, and web portals to monitor data processing and downloading of data. DESDM has been used to be process simulated DES data since 2005 as well as real data from Blanco Cosmology Survey (BCS), which is a 45 night NOAO survey program on the Blanco 4m telescope. We describe various components of the DESDM and present some preliminary photometry and astrometry results obtained by using this system.
Adams Danielle
Armstrong Robert
Bazin Gurvan
Beldica Cristina
Bertin Emmanuel
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