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The Lyman alpha coronagraphThe rocket-borne Lyman alpha coronagraph (RLAC) is to be used in the absence of a natural solar eclipse to determine coronal temperatures from measurements of the line width of Lyman-alpha and to determine neutral hydrogen densities of coronal material from the absolute intensity. The coronagraph consists of a 75-cm Fastie-Ebert scanning spectrometer with an AMR 641 photoelectric detection system, an off-axis parabolic primary mirror, and an occulting system. A special optical arrangement achieves rejection of radiation from the solar disk.
Document ID
19770062973
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kohl, J. L. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Reeves, E. M. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Kirkham, B. (Harvard College Observatory and Smithsonian Astrophysical Observatory, Center for Astrophysics, Cambridge Mass., United States)
Date Acquired
August 9, 2013
Publication Date
June 1, 1977
Subject Category
Solar Physics
Meeting Information
Meeting: Plenary Meeting
Location: Tel Aviv
Country: Israel
Start Date: June 7, 1977
End Date: June 18, 1977
Sponsors: COSPAR
Accession Number
77A45825
Funding Number(s)
CONTRACT_GRANT: NSG-5128
Distribution Limits
Public
Copyright
Other

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