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Engineering tool for trapped proton flux anisotropy evaluation

dc.contributor.authorKruglanski, M.
dc.date1996
dc.date.accessioned2017-05-23T12:08:32Z
dc.date.available2017-05-23T12:08:32Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/5547
dc.descriptionAt low altitudes, the high-energy trapped proton fluxes are strongly anisotropic. The proton flux is controlled by the density distribution of the Earth's atmosphere that induces a steep pitch-angle distribution and an East-West effect, the latter caused by the finite size of the proton gyration radius. We have developed a software package, ANISO, to evaluate averaged energy spectra of trapped proton unidirectional fluxes for a given spacecraft orbit and attitude by deducing the angular-dependent proton flux spectra from the AP-8 omnidirectional flux. Included in the model are both the Armstrong et al. (1990) model and a model based on the Badhwar and Konradi (1990) pitch-angle distribution.
dc.languageeng
dc.titleEngineering tool for trapped proton flux anisotropy evaluation
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeAnisotropy
dc.subject.freeComputer software
dc.subject.freeEarth atmosphere
dc.subject.freeEvaluation
dc.subject.freeMathematical models
dc.subject.freeSpacecraft
dc.subject.freeAnisotropy models
dc.subject.freeEnergy spectra
dc.subject.freeFlux anisotropy
dc.subject.freePitch angle distribution
dc.subject.freeTrapped proton fluxes
dc.subject.freeProtons
dc.subject.freeproton
dc.subject.freeanisotropy
dc.subject.freearticle
dc.subject.freeastronomy
dc.subject.freeatmosphere
dc.subject.freecomparative study
dc.subject.freecomputer program
dc.subject.freemagnetism
dc.subject.freemathematics
dc.subject.freeradiation protection
dc.subject.freespace flight
dc.subject.freetheoretical model
dc.subject.freeAnisotropy
dc.subject.freeAtmosphere
dc.subject.freeEarth (Planet)
dc.subject.freeMagnetics
dc.subject.freeMathematics
dc.subject.freeModels, Theoretical
dc.subject.freeProtons
dc.subject.freeRadiation Protection
dc.subject.freeSoftware
dc.subject.freeSpace Flight
dc.subject.freeSpacecraft
dc.source.titleRadiation Measurements
dc.source.volume26
dc.source.issue6
dc.source.page953-958
Orfeo.peerreviewedYes
dc.identifier.doi10.1016/S1350-4487(96)00097-2
dc.identifier.scopus2-s2.0-0030273832


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