2.7.1 spase://ESA/Catalog/Helios/SEP Helios SEP Events Catalog 2026-04-17T10:30:30 This catalogue of solar energetic particle (SEP) events is based on data from the Helios mission provided by the previous European project SEPServer. In addition, technical reports of the University of Kiel from the time of Helios observation (printed version) were used, but the final judgement was done on the basis of the data from SEPServer. spase://SMWG/Person/Nina.Dresing Author spase://SMWG/Person/Yulia.Kartavykh Author spase://SMWG/Person/Bernd.Heber Author spase://SMWG/Person/Olga.Y.Uritskaya MetadataContact https://zenodo.org/records/12204702 spase://SMWG/Repository/SERPENTINE https://data.serpentine-h2020.eu/catalogs/sep-helios/ HTML spase://SMWG/Instrument/Helios1/Ephemeris spase://SMWG/Instrument/Helios2/Ephemeris EnergeticSolarParticleEvent 1974-12-22T16:01:00 1985-01-21T01:10:00 ID Housekeeping Spacecraft Other Flare date/Onset date [UTC] Temporal Event date/Onset time, [UTC] Temporal Flare loc./ Footpoint loc. Positional Flare class Remark Radial distance [au] Other Solar wind speed [km/s] Velocity ESH angle [deg] Orientation IMP-8 obs. Remark Associated shocks Other Comments Remark