Evolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979

Hedeman, E. Ruth; Dodson, Helen Walter, 1905-; Roelof, E. C.

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Evolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979

1981
By Hedeman, E. Ruth ; Dodson, Helen Walter, 1905- ; Roelof, E. C.
Series: Report UAG ; 81

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Personal Author:

Hedeman, E. Ruth ; Dodson, Helen Walter, 1905- ; Roelof, E. C.

Hedeman, E. Ruth ; Dodson, Helen Walter, 1905- ; Roelof, E. C. Less -
Corporate Authors:

World Data Center A for Solar-Terrestrial Physics
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service)
Description:

"The richness and diversity of data relating to solar activity present a challenge from the point of view of organization and evaluation. For phenomena such as plages and centers of activity that tend to last for more than one solar rotation, we have found useful a sequence of "evolutionary charts" based on heliographic longitude for successive solar rotations. Such a diagrammatic representation of calcium plages as a function of longitude and time, couples with considerations of heliographic latitude, permits relatively easy and confident recognition of successively returning centers of activity"--Introduction.
Content Notes:

by E. Ruth Hedeman, Helen W. Dodson, and Edmond C. Roelof.

"August 1981."

Also available online in PDF via the NOAA Central Library.
Keywords:

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Solar plages
Series:

Report UAG ; 81
Document Type:

Technical Report
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Public Domain
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urn:sha256:660b3806f3275a8cd3afb9e710f7cdd33370d2118f3b486c432402460c4b28fa
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https://repository.library.noaa.gov/view/noaa/1311/noaa_1311_DS1.pdf
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Evolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979

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