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| Paper: |
Establishing and Using the Real-Time Neutron Monitor Database (NMDB) |
| Volume: |
424, Proceedings of the 9th International Conference of the Hellenic Astronomical Society |
| Page: |
75 |
| Authors: |
Mavromichalaki, H.; Papaioannou, A.; Sarlanis, C.; Souvatzoglou, G.; Gerontidou, M.; Plainaki, C.; Papailiou, M.; Mariatos, G.; NMDB team |
| Abstract: |
The European Commission is supporting the Neutron Monitor database as an e-Infrastructures project in the Seventh Framework Programme in the Capacities section. The prospective goal of the network is to make possible the receiving of all data (either with 1 min resolution or with 1 hour resolution) in real time from all servers around Europe. This system has been designed with the capability to support a large number of stations and therefore the upgrade of the system is rather flexible. It is important to outline that the designed collection system has the ability to provide reliable data, based on the issue that all participating stations have been standardized at a common recording format. At this point, the database has been fulfilled together with user tools and applications. The most important application was the establishment of an Alert signal when dangerous Solar Particle Events are heading to the Earth, resulting into a Ground Level Enhancement (GLE) registered by neutron monitors. As a sequence, the mapping of all GLE features in near real-time mode which provides an over all picture of this phenomenon and is being used as an input for the calculation of the ionization of the atmosphere, was made possible. The latter calculations are useful for radiation dose calculations within the atmosphere at several altitudes and will reveal the absorbed doses during flights. The Athens Cosmic Ray Group was responsible for the upgrade and standardization of all participating stations, as well as for the design and implementation of a novel affordable registration system. Moreover, the software of GLE Alert and the Neutron Monitor Basic Anisotropic Ground Level Enhancement (NM-BANGLE) one, originating from the Athens Group, was customized into NMDB necessities. In this work, a description of the project, its goals and achievements together with its usefulness for potential users, studying the Sun and Interplanetary Medium is presented. |
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