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Slow shocks around the sunIt is inferred from this study that magnetohydrodynamic slow shocks can exist in the vicinity of the sun. The study uses a two-hole corona model, the sub-Alfvenic streams originating from the edge of the polar open-field regions are forced to turn towards equator in coronal space following the curved boundary of the closed field region. When the streamlines from the opposite poles merge at a neutral point, their directions become parallel to the neutral sheet. An oblique slow shock can develop near or at the neutral point, the shock extends polewards to form a surface of discontinuity around the sun.
Document ID
19820061328
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Whang, Y. C.
(Catholic University of America, Washington, DC, United States)
Date Acquired
August 10, 2013
Publication Date
September 1, 1982
Publication Information
Publication: Geophysical Research Letters
Volume: 9
Subject Category
Solar Physics
Accession Number
82A44863
Funding Number(s)
CONTRACT_GRANT: NSF ATM-81-19302
CONTRACT_GRANT: NSG-7422
Distribution Limits
Public
Copyright
Other

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