Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2009-08-06
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
Proceedings of 31st ICRC conference, Lodz 2009, 3 pages, 1 figure
Scientific paper
The data acquisition system of the Antares neutrino telescope is based on the unique "all-data-to-shore" concept. In this, all signals from the photo-multiplier tubes are digitised, and all digital data are sent to shore where they are processed in real time by a PC farm. This data acquisition system showed excellent stability and flexibility since the detector became operational in March 2006. The applied concept enables to operate different physics triggers to the same data in parallel, each optimized for a specific (astro)physics signal. The list of triggers includes two general purpose muon triggers, a Galactic Centre trigger, and a gamma-ray burst trigger. The performance of the data acquisition system is evaluated by its operational efficiency and the data filter capabilities. In addition, the efficiencies of the different physics triggers are quantified.
ANTARES collaboration for the
Bouwhuis Mieke
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