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Joint observations of the chromosphere, transition region, and corona from SOHO and NSO/Kitt PeakThe ground-based observing facilities of the National Solar Observatory (NSO) are reviewed from the perspective of joint observations with SOHO. A specific proposal is presented for observations of the HE-I 1083.0 nm line with the NASA/NSO spectromagnetograph and He 10830 video filtergraph/magnetograph in coordination with ultraviolet sensitive instruments on SOHO. The first task will be to look for associations of low-temperature transition-region lines with He 1083 nm absorption to investigate Andretta's conjecture, i.e. that the He 1083 nm line is formed in two layers where extreme ultraviolet radiation produced both in the low-temperature transition region (the upper layer) and in the surrounding corona products - a lower layer of absorption in the upper chromosphere.
Document ID
19950025507
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Jones, Harrison P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Harvey, John W.
(National Solar Observatory Tucson, AZ., United States)
Andretta, Vincenzo
(Armagh Observatory Ireland)
Date Acquired
August 16, 2013
Publication Date
December 1, 1994
Publication Information
Publication: ESA, Proceedings of 3rd SOHO Workshop on Solar Dynamic Phenomena and Solar Wind Consequences
Subject Category
Solar Physics
Accession Number
95N31928
Distribution Limits
Public
Copyright
Other
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