ocr: SWAN The aim of the SWAN (Solar Wind Anistropies) instrument is to monitor the latitude distribution of the solar wind by the Lyman- alpha method. As such, it can be qualified as solar wind mapper. The main scientitic objective is to determine the large-scale solar wind proton flux distribution. The secondary scientific objectives of SWAN include heliopause signatures, the solar corona, the geocorona and the monitoring or discovery of comets. PRINCIPAL INVESTIGAIOR: J. L. Bertaux, Service d'Aéronomie du CNRS, Vernéres-Le-buisson, France OTHER INSTIIUTIONS INVOLVED: Finnish Meteorological Insti ...
