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Network data analysis server (NDAS) prototype development

Szabolcs Márka1, Benoit Mours2,3 and Roy Williams4

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We have developed a simple and robust system based on standard UNIX tools and frame library code to transfer and merge data from multiple gravitational wave detectors distributed worldwide. The transfer and merger take place with less than 20 minute delay and the output frames are available for all participants. Presently VIRGO and LIGO participate in the exchange and only environmental data are shared. The system is modular to allow future improvements and the use of new tools like Grid.


PACS

04.80.Nn Gravitational wave detectors and experiments

07.05.Kf Data analysis: algorithms and implementation; data management

MSC

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Dates

Issue 7 (7 April 2002)

Received 4 October 2001, in final form 24 December 2001

Published 14 March 2002



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