Leske, R. A. and Mewaldt, R. A. and Mason, G. M. and Cohen, C. M. S. and Cummings, A. C. and Davis, A. J. and Labrador, A. W. and Miyasaka, H. and Stone, E. C. and Wiedenbeck, M. E. and von Rosenvinge, T. T.
(2008)
STEREO and ACE observations of CIR particles.
In:
Particle Acceleration and Transport in the Heliosphere and Beyond— 7th Annual Astrophysics Conference.
AIP Conference Proceedings.
No.1039.
American Institute of Physics
, pp. 131-136.
ISBN 9780735405660.
https://resolver.caltech.edu/CaltechAUTHORS:20090507-132736204
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Abstract
In the present solar minimum, corotating interaction regions (CIRs) produce frequent particle enhancements at 1 AU as observed at STEREO and ACE. As the two STEREO spacecraft move apart, differences in CIR time profiles observed at each spacecraft are becoming large. The timing differences are often roughly similar to the corotation time lag between the two spacecraft, however many of the features seen at Ahead and Behind require more than just a time shift. Perhaps transient disturbances in the solar wind affect connection to or transport from the shock, or temporal changes occur in the CIR shock itself. Additional timing differences of >1 day result from the different heliographic latitudes of the two STEREO spacecraft
Item Type: | Book Section |
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Additional Information: | © 2008 American Institute of Physics.
This work was supported by NASA grants NAS5-03131 and NAG5-12929. We thank
STEREO/PLASTIC (NASA contract NAS5-00132) and MAG investigators for making
their data publicly available, and the Wilcox Solar Observatory for the HCS data.
PACS: 96.50.-e,96.50.Qx,96.50.Vg. |
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Group: | Space Radiation Laboratory |
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Funders: | Funding Agency | Grant Number |
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NASA | NAS5-03131 | NASA | NAG5-12929 |
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Subject Keywords: | interplanetary physics; corotating streams; energetic particles; STEREO; ACE |
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Other Numbering System: | Other Numbering System Name | Other Numbering System ID |
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Space Radiation Laboratory | 2008-05 |
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Series Name: | AIP Conference Proceedings |
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Issue or Number: | 1039 |
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DOI: | 10.1063/1.2982435 |
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Record Number: | CaltechAUTHORS:20090507-132736204 |
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Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20090507-132736204 |
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Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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ID Code: | 14181 |
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Collection: | CaltechAUTHORS |
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Deposited By: |
Tony Diaz
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Deposited On: | 11 May 2009 18:58 |
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Last Modified: | 08 Nov 2021 22:43 |
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