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Simultaneous Observations of Cosmic Ray Particles in a Corotating Interplanetary Structure at Different Solar Distances between 0.3 and 1 AU from HELIOS 1 and 2 and IMP 7 and 8

Kunow, H. and Wibberenz, G. and Green, G. and Müller-Mellin, R. and Witte, M. and Hempe, H. (1977) Simultaneous Observations of Cosmic Ray Particles in a Corotating Interplanetary Structure at Different Solar Distances between 0.3 and 1 AU from HELIOS 1 and 2 and IMP 7 and 8. In: Proceedings of the 15th International Cosmic Ray Conference. Vol.3. Bulgarian Academy of Sciences , Sofia, Bulgaria, pp. 227-232. http://resolver.caltech.edu/CaltechAUTHORS:20140411-155959876

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Abstract

From December 1975 to June 1976 we observed an evolving recurrent proton enhancement with IMP 7/8 and Helios 1/2 at different distances from the sun. The corotating character is established over 4 solar rotations. Due to the unique constellation in March 1976 simultaneous measurements were possible which allowed a study of the radial development undisturbed by temporal effects. The intensity variation of the ~4 - 13 MeV protons between 0.43 and 1 AU revealed a sudden increase to a large positive gradient (+329 %/AU) in the leading edge of the event. This value is consistent with a major source outside 1 AU. We suggest an interplanetary acceleration which becomes sufficiently effective within a fast solar wind stream.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1977ICRC....3..227KADSArticle
Contact Email Address:dmiles@caltech.edu
Additional Information:© 1977 Bulgarian Academy of Sciences. Provided by the NASA Astrophysics Data System.
Group:Space Radiation Laboratory
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1977-06
Record Number:CaltechAUTHORS:20140411-155959876
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140411-155959876
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:44901
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:15 Apr 2014 00:04
Last Modified:22 Apr 2014 18:10

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