Résumé
Galactic cosmic-ray (GCR) energy spectra observed in the inner heliosphere are modulated by the solar activity, the solar polarity and structures of solar and interplanetary origin. A high counting rate particle detector (PD) aboard LISA Pathfinder, meant for subsystems diagnostics, was devoted to the measurement of GCR and solar energetic particle integral fluxes above 70 MeV n -1 up to 6500 counts s -1 . PD data were gathered with a sampling time of 15 s. Characteristics and energy dependence of GCR flux recurrent depressions and of a Forbush decrease dated 2016 August 2 are reported here. The capability of interplanetary missions, carrying PDs for instrument performance purposes, in monitoring the passage of interplanetary coronal mass ejections is also discussed.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 113 |
| journal | Astrophysical Journal |
| Volume | 854 |
| Numéro de publication | 2 |
| Les DOIs | |
| état | Publié - 20 févr. 2018 |
| Modification externe | Oui |
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