Radiation-belt and transient solar-magnetospheric effects on Hipparcos radiation background

The Hipparcos astrometry satellite operated in a near-geostationary transfer orbit between August 1989 and August 1993. Its telescopes were sensitive to background signals induced by energetic electrons and protons, and by bremsstrahlung. The observations yielded a long-term data-set which strongly...

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Bibliographic Details
Published in:IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) 1994-12, Vol.41 (6), p.2376-2382
Main Authors: Daly, E.J., Leeuwen, F.V., Evans, H.D.R., Perryman, M.A.C.
Format: Article
Language:English
Subjects:
Artificial earth satellites
Astronomy
Belts
Cathodes
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Cosmic rays
DYNAMICS
EARTH ATMOSPHERE
EARTH MAGNETOSPHERE
Earth, ocean, space
Electrons
Exact sciences and technology
Extraterrestrial measurements
Fluorescence
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
INTERACTIONS
Interplanetary propagation and effects
MECHANICS
MORPHOLOGY
Optical devices
Protons
Q1
RADIATION BELTS
Refractive index
SATELLITES
SOLAR ACTIVITY 661320 > Auroral, Ionospheric, & Magnetospheric Phenomena-- (1992-)
Solar radiation
Solar system
SOLAR WIND
Telescopes
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Summary:The Hipparcos astrometry satellite operated in a near-geostationary transfer orbit between August 1989 and August 1993. Its telescopes were sensitive to background signals induced by energetic electrons and protons, and by bremsstrahlung. The observations yielded a long-term data-set which strongly reflects the structure of the radiation belts, their dynamics and the effects of solar particle events. Investigation of these data includes qualitative comparisons with GOES and CRRES data.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.340590