Network-enabled access to globally distributed data: LIGO-India

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Presentation transcript:

Network-enabled access to globally distributed data: LIGO-India Roy Williams California Institute of Technology

LIGO Observatory searching for gravitational waves Perfect mirrors, perfect lasers, and ultimate noise suppression 4 km 4 km

GW Localization “by ear” Image courtesy Eric I. Knudsen Time differences provide localization The more ears the better Everything better with optical identification

Localization Bigdog injection On Fermi gamma sky Data courtesy LIGO/LSC http://www.ligo.org/science/GW100916/ On human sky

Global GW Observatory Milliseconds light time The GW community is hoping for LIGO-India! Milliseconds light time

Localization capability: India makes the difference Widefield telescope field of view Courtesy S. Fairhurst

LIGO Data Grid Computing and networking just as important as the interferometers! Need Low latency Need bulk replication Each ifo makes ~80 Mbit/sec Network connectivity ~1 Gbit/sec Total 1 Pbyte/year

Computing and networking is part of it Networking and LIGO Global observatory by 2017 2 US sites + FR/IT + India(?) + Japan Much better resolution in sky Much better astrophysics Computing and networking is part of it Reliability and Bandwidth are key

Benefits to India of big-science & fast networks Ways of work Video meetings Virtual organizations Culture of big data Data-mining experts wanted worldwide