SNEWS The SuperNova Early Warning System

Physics – Nuclear Physics

Scientific paper

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Scientific paper

SNEWS is a cooperative effort between the world's neutrino detection experiments to spread the news that a star in our galaxy has just experienced a core-collapse and is about to be seen as a Supernova. This project exploits the ˜hours time difference between neutrinos promptly escaping the nascent supernova and photons originating when the shock wave breaks through the stellar photosphere, to give the world a chance to get ready to observe such an exciting event at the earliest possible time. A coincidence trigger between experiments is used to eliminate potential local false alarms, allowing a rapid, automated alert. SNEWS is currently operational and ready, and this poster presents the procedures in use.

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