Mapping the space radiation environment in LEO orbit by the SATRAM Timepix payload on board the Proba-V satellite

Detailed spatial- and time-correlated maps of the space radiation environment in Low Earth Orbit (LEO) are produced by the spacecraft payload SATRAM operating in open space on board the Proba-V satellite from the European Space Agency (ESA). Equipped with the hybrid semiconductor pixel detector Time...

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description Detailed spatial- and time-correlated maps of the space radiation environment in Low Earth Orbit (LEO) are produced by the spacecraft payload SATRAM operating in open space on board the Proba-V satellite from the European Space Agency (ESA). Equipped with the hybrid semiconductor pixel detector Timepix, the compact radiation monitor payload provides the composition and spectral characterization of the mixed radiation field with quantum-counting and imaging dosimetry sensitivity, energetic charged particle tracking, directionality and energy loss response in wide dynamic range in terms of particle types, dose rates and particle fluxes. With a polar orbit (sun synchronous, 98° inclination) at the altitude of 820 km the payload samples the space radiation field at LEO covering basically the whole planet. First results of long-period data evaluation in the form of time-and spatially-correlated maps of total dose rate (all particles) are given.
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source Scitation (American Institute of Physics)
subjects ALTITUDE
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CHARGED PARTICLES
COSMIC RADIATION
COVERINGS
DOSE RATES
Dosimeters
DOSIMETRY
Energy dissipation
ENERGY LOSSES
ESA
EVALUATION
Extraterrestrial radiation
Fluxes
Inclination
Low earth orbits
Multinational space ventures
ORBITS
Particle tracking
Polar orbits
SATELLITES
SEMICONDUCTOR MATERIALS
SENSITIVITY
SPACE VEHICLES
Spacecraft
SUN
title Mapping the space radiation environment in LEO orbit by the SATRAM Timepix payload on board the Proba-V satellite
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