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Royal Observatory of Belgium - Meridian Room

Antarctic cosmic rays observatory and the Space Weather program of the LAGO collaboration


  • Dr. Sergio DASSO

Primary authors

  • Dr. Sergio DASSO (Instituto de Astronomía y Física del Espacio (IAFE), Argentina)



The LAGO (LAGO: Latin American Giant Observatory) project is a collaborative network formed by eleven countries (Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guatemala, Mexico, Peru, Spain, and Venezuela). The network of WCDs has nodes at sites with different rigidity cut-offs and different altitudes. One of the aims of LAGO is to study the flux of the secondary particles at ground level, and to link them with the associated primary fluxes to better understand the modulation of CRs in the helisphere. Another main aim is to monitor this flux to provide operative Space Weather information. We present an update of the state of the art of the LAGO Antarctic node, to be deployed in the Argentine Marambio base, in the Antarctic peninsula. In particular we present studies of the atmosphere in Marambio and the effects of the geomagnetic field on the arrival of cosmic rays to this antarctic site. This node will have the minimum rigidity cut-off (Rc ~ 2 GV) of the collaboration, and will be the only LAGO node that will be able to observe GLEs. We present the LAGO antarctic campaign of 2017-2018 in Marambio, where a meteorological station will be installed, a thermal control system will be tested, and several tests of telemetry from Antarctic to Buenos Aires will be done.