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Cosmic ray gradients in the outer heliosphereLaunched in 1972 and 1973 respectively, the Pioneer 10 and 11 spacecraft are now probing the outer heliosphere on their final escape from the sun. The data in this paper extend for almost an entire solar cycle from launch to early 1983, when Pioneer 10 was at a heliocentric distance of 29 AU and Pioneer 11, 13 AU. The UCSD instruments on board were used to study the gradient, and to look at the time and spatial variations of the cosmic ray intensities.
Document ID
19840041297
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Fillius, W.
(California Univ. San Diego, CA, United States)
Wake, B.
(California, University San Diego, CA, United States)
Ip, W.-H.
(Max-Planck-Institut fuer Aeronomie Katlenburg, Germany)
Axford, I.
(Wellington, Victoria University Wellington, New Zealand)
Date Acquired
August 12, 2013
Publication Date
August 1, 1983
Subject Category
Space Radiation
Accession Number
84A24084
Funding Number(s)
CONTRACT_GRANT: NAS2-6552
CONTRACT_GRANT: NAG2-153
Distribution Limits
Public
Copyright
Other

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