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Solar magnetic field studies using the 12 micron emission lines. II - Stokes profiles and vector field samples in sunspotsPolarimetric observations at 12 microns of two sunpots are reported. The horizontal distribution of parameters such as magnetic field strength, inclination, azimuth, and magnetic field filling factors are presented along with information about the height dependence of the magnetic field strength. Comparisons with contemporary magnetostatic sunspot models are made. The magnetic data are used to estimate the height of 12 micron line formation. From the data, it is concluded that within a stable sunspot there are no regions that are magnetically filamentary, in the sense of containing both strong-field and field-free regions.
Document ID
19930052382
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Hewagama, Tilak
(National Solar Observatory, Tucson, AZ; Maryland Univ., College Park; NASA, Goddard Space Flight Center Greenbelt, United States)
Deming, Drake
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jennings, Donald E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Osherovich, Vladimir
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wiedemann, Gunter
(National Solar Observatory, Tucson, AZ; NASA, Goddard Space Flight Center Greenbelt, MD, United States)
Zipoy, David
(Maryland Univ. College Park, United States)
Mickey, Donald L.
(Hawaii Univ. Honolulu, United States)
Garcia, Howard
(NOAA, Space Environment Lab. Boulder, CO, United States)
Date Acquired
August 16, 2013
Publication Date
May 1, 1993
Publication Information
Publication: Astrophysical Journal Supplement Series
Volume: 86
Issue: 1
ISSN: 0067-0049
Subject Category
Solar Physics
Accession Number
93A36379
Funding Number(s)
CONTRACT_GRANT: NAGW-1542
PROJECT: RTOP 170-38-53-10
Distribution Limits
Public
Copyright
Other

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