15 July 2016 ASTRI SST-2M archive system: a prototype for the Cherenkov Telescope Array
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Abstract
The ASTRI project of the Italian National Institute for Astrophysics (INAF) is developing, in the framework of the Cherenkov Telescope Array (CTA), an end-to-end prototype system based on a dual-mirror small-sized Cherenkov telescope. Data preservation and accessibility are guaranteed by means of the ASTRI Archive System (AAS) that is responsible for both the on-site and off-site archiving of all data produced by the different sub- systems of the so-called ASTRI SST-2M prototype. Science, calibration, and Monte Carlo data together with the dedicated Instrument Response Functions (IRFs) (and corresponding metadata) will be properly stored and organized in different branches of the archive. A dedicated technical data archive (TECH archive) will store the engineering and auxiliary data and will be organized under a parallel database system. Through the use of a physical system archive and a few logical user archives that reflect the different archive use-cases, the AAS has been designed to be independent from any specific data model and storage technology. A dedicated framework to access, browse and download the telescope data has been identified within the proposal handling utility that stores and arranges the information of the observational proposals. The development of the whole archive system follows the requirements of the CTA data archive and is currently carried out by the INAF-OAR & ASI-Science Data Center (ASDC) team. The AAS is fully adaptable and ready for the ASTRI mini-array that, formed of at least nine ASTRI SST-2M telescopes, is proposed to be installed at the CTA southern site.
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Alessandro Carosi, Alessandro Carosi, Stefano Gallozzi, Stefano Gallozzi, Fabrizio Lucarelli, Fabrizio Lucarelli, Saverio Lombardi, Saverio Lombardi, Michele Mastropietro, Michele Mastropietro, Lucio Angelo Antonelli, Lucio Angelo Antonelli, Alessandro Costa, Alessandro Costa, Alberto Madonna, Alberto Madonna, } "ASTRI SST-2M archive system: a prototype for the Cherenkov Telescope Array", Proc. SPIE 9910, Observatory Operations: Strategies, Processes, and Systems VI, 99101V (15 July 2016); doi: 10.1117/12.2231646; https://doi.org/10.1117/12.2231646
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