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Scaling-law equilibria for calcium in canopy-type models of the solar chromosphereScaling laws for resonance line formation are used to obtain approximate excitation and ionization equilibria for a three-level model of singly ionized calcium. The method has been developed for and is applied to the study of magnetograph response in the 8542 A infrared triplet line to magnetostatic canopies which schematically model diffuse, nearly horizontal fields in the low solar chromosphere. For this application, the method is shown to be efficient and semi-quantitative, and the results indicate the type and range of effects on calcium-line radiation which result from reduced gas pressure inside the magnetic regions.
Document ID
19820062920
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Jones, H. P.
(NASA Goddard Space Flight Center Laboratory for Astronomy and Solar Physics, Tucson, AZ, United States)
Date Acquired
August 10, 2013
Publication Date
August 1, 1982
Publication Information
Publication: Solar Physics
Volume: 79
Subject Category
Solar Physics
Accession Number
82A46455
Distribution Limits
Public
Copyright
Other

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