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Realtime alerts of the transient sky on mobile devices
P. Reichherzer, F. Schüssler, V. Lefranc +2
Follow-up observations of transient events are crucial in multimessenger astronomy. We present Astro-COLIBRI as a tool that informs users about flaring events in real-time via push…
Astro-COLIBRI -- The COincidence LIBrary for Real-time Inquiry for multimessenger astrophysics
P. Reichherzer, F. Schüssler, V. Lefranc +4
Astro-COLIBRI is a novel tool that evaluates alerts of transient observations in real time, filters them by user-specified criteria, and puts them into their multiwavelength and mu…
Astro-COLIBRI: a new platform for real-time multi-messenger astrophysics
Fabian Schüssler, Atilla Kaan Alkan, Valentin Lefranc +1
Flares of known astronomical sources and new transient phenomena occur on different timescales, from sub-seconds to several days or weeks. The discovery potential of both serendipi…
A NECTAr-based upgrade for the Cherenkov cameras of the H.E.S.S. 12-meter telescopes
Terry Ashton, Michael Backes, Arnim Balzer +41
The High Energy Stereoscopic System (H.E.S.S.) is one of the three arrays of imaging atmospheric Cherenkov telescopes (IACTs) currently in operation. It is composed of four 12-mete…
Performance of the upgraded H.E.S.S. cameras
S. Bonnefoy, T. Ashton, M. Backes +37
The 14 years old cameras of the H.E.S.S. 12-m telescopes have been upgraded in 2015/2016, with the goals of reducing the system failure rate, reducing the dead time and improving t…
Hardware and software architecture of the upgraded H.E.S.S. cameras
S. Klepser, T. Ashton, M. Backes +37
In 2015/16, the photomultiplier cameras of the H.E.S.S. Cherenkov telescopes CT1-4 have undergone a major upgrade. The entire electronics has been replaced, using NECTAr chips for…