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http://dx.doi.org/10.5140/JASS.2015.32.4.281

Mini Neutron Monitors at Concordia Research Station, Central Antarctica  

Poluianov, Stepan (Faculty of Science, University of Oulu)
Usoskin, Ilya (Sodankyla Geophysical Observatory (Oulu unit), University of Oulu)
Mishev, Alexander (ReSoLVE Center of Excellence, University of Oulu)
Moraal, Harm (Faculty of Natural Sciences, North-West University)
Kruger, Helena (Faculty of Natural Sciences, North-West University)
Casasanta, Giampietro (Institute of Atmospheric Sciences and Climate, CNR)
Traversi, Rita (Department of Chemistry "Ugo Schiff", University of Florence)
Udisti, Roberto (Department of Chemistry "Ugo Schiff", University of Florence)
Publication Information
Journal of Astronomy and Space Sciences / v.32, no.4, 2015 , pp. 281-287 More about this Journal
Abstract
Two mini neutron monitors are installed at Concordia research station (Dome C, Central Antarctica, $75^{\circ}06^{\prime}S$, $123^{\circ}23^{\prime}E$, 3,233 m.a.s.l.). The site has unique properties ideal for cosmic ray measurements, especially for the detection of solar energetic particles: very low cutoff rigidity < 0.01 GV, high elevation and poleward asymptotic acceptance cones pointing to geographical latitudes > $75^{\circ}S$. The instruments consist of a standard neutron monitor and a "bare" (lead-free) neutron monitor. The instrument operation started in mid-January 2015. The barometric correction coefficients were computed for the period from 1 February to 31 July 2015. Several interesting events, including two notable Forbush decreases on 17 March 2015 and 22 June 2015, and a solar particle event of 29 October 2015 were registered. The data sets are available at cosmicrays.oulu.fi and nmdb.eu.
Keywords
neutron monitor; solar energetic particle; Antarctica;
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