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Predicting Ly-alpha intensities in coronal streamersSOHO (Solar and Heliospheric Observatory) UVCS (Ultraviolet Coronagraph Spectrometer) will make long term observations of coronal streamers in UV lines, providing a new tool for the analysis of structures which have been known for decades but are still far from being adequately described. Work to evaluate the Lyman alpha brightness of coronal streamers is reported, adopting the streamer models obtained, via a time dependent numerical relaxation technique. This will yield understanding on the role of geometric versus physical factors in determining the streamer lyman alpha intensity and provide guidelines for UVCS observational operations. Future prospects along this line of research are summarized.
Document ID
19930022171
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Noci, Giancarlo
(Florence Univ. Italy)
Poletto, Giannina
(Osservatorio Astrofisico di Arcetri Florence, Italy)
Suess, Steven T.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Wang, A.-H.
(Alabama Univ. Huntsville., United States)
Wu, S. T.
(Alabama Univ. Huntsville., United States)
Date Acquired
September 6, 2013
Publication Date
November 1, 1992
Publication Information
Publication: ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition
Subject Category
Solar Physics
Accession Number
93N31360
Funding Number(s)
CONTRACT_GRANT: NAGW-9
Distribution Limits
Public
Copyright
Other
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