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Strong transverse fields in delta-spotsSpectroscopic measurements of the strength and direction of transverse magnetic fields in six delta-spots are presented. The field direction is determined by the relative strength of the pi- and sigma-components at different polarizer orientations, and is, with one exception, parallel to the neutral line and as strong as the umbral field. Field strengths determined by line splitting are as high as 3980 G.
Document ID
19930052634
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Zirin, Harold
(NASA Headquarters Washington, DC United States)
Wang, Haimin
(Big Bear Solar Observatory Pasadena, CA, United States)
Date Acquired
August 16, 2013
Publication Date
March 1, 1993
Publication Information
Publication: Solar Physics
Volume: 144
Issue: 1
ISSN: 0038-0938
Subject Category
Solar Physics
Accession Number
93A36631
Funding Number(s)
CONTRACT_GRANT: N00014-89-J-1069
CONTRACT_GRANT: NAGW-1972
CONTRACT_GRANT: NSF ATM-88-16007
Distribution Limits
Public
Copyright
Other

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