Actions for Pioneer 10 observation of the solar wind proton temperature heliocentric gradient

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Pioneer 10 observation of the solar wind proton temperature heliocentric gradient

Author
Wolfe, J. H.
Published
Aug 1, 1978.
Physical Description
1 electronic document
Additional Creators
Mihalov, J. D.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Solar wind isotropic proton temperatures as measured out to 12.2 AU heliocentric distance by the Ames plasma analyzer aboard Pioneer 10 are presented as consecutive averages over three Carrington solar rotations and discussed. The weighted least-squares fit of average temperature to heliocentric radial distance, R, yields the power law R sup -.52. These average proton temperatures are not correlated as well with Pioneer 10's heliocentric radial distance (-.85) as are the corresponding average Zurich sunspot numbers R sub z (-.95). Consequently, it is difficult to isolate the spatial gradient in the Pioneer 10 solar wind proton temperatures using that data alone.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19780023087.
Accession ID: 78N31030.
NASA-TM-78515.
A-7579.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15727927