Electron Proton Alpha Monitor

E722097

The Electron Proton Alpha Monitor is a scientific instrument aboard NASA's ACE spacecraft designed to measure the fluxes and energies of electrons, protons, and alpha particles in the solar wind and cosmic rays.

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Statements (47)

Predicate Object
instanceOf particle detector
space physics instrument
spacecraft instrument
abbreviation EPAM NERFINISHED
associatedWithAgency NASA Goddard Space Flight Center NERFINISHED
dataArchive ACE Science Center NERFINISHED
NASA Space Physics Data Facility NERFINISHED
dataUsedFor heliospheric structure studies
solar-terrestrial interaction studies
space weather forecasting
detectsChargeSign electrons
positive ions
fullName Electron Proton Alpha Monitor NERFINISHED
hasDetectorType scintillation detector
solid-state detector
launchedWithSpacecraft ACE launch 1997
locatedOnOrbitingPlatform ACE NERFINISHED
measuresEnvironment energetic particles
galactic cosmic rays
interplanetary medium
solar energetic particles
solar wind
measuresParticleType alpha particles
electrons
protons
measuresQuantity particle energy
particle flux
missionRole characterize solar wind particle populations
monitor energetic electrons and ions near Earth
provide real-time space weather data
support studies of cosmic ray modulation
support studies of solar energetic particle events
mountedOn ACE spacecraft payload platform
operatedByAgency NASA NERFINISHED
operatedOn ACE spacecraft NERFINISHED
Advanced Composition Explorer NERFINISHED
partOfMission ACE science payload
primaryScienceField cosmic ray physics
heliophysics
solar wind physics
space weather
providesInputTo space weather alert systems
providesMeasurement energy spectra of charged particles
time-resolved particle fluxes
scientificObjective characterize temporal variations of energetic particle populations
study acceleration and transport of energetic particles in the heliosphere
spacecraftLocation Sun–Earth L1 Lagrange point NERFINISHED

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ACE spacecraft instrument Electron Proton Alpha Monitor