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Observing large-scale solar surface flows with GONG : Investigation of a key element in solar activity buildup

Author
Simon, George W.
Published
(1996).
Physical Description
1 electronic document
Additional Creators
Hathaway, David H. and Beck, John G.
Online Version

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Restrictions on Access
Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The Global Oscillation Network Group (GONG) solar telescope network has begun regular operations, and will provide continuous Doppler images of large-scale nearly-steady motions at the solar surface, primarily those due to supergranulation. Not only the Sun's well-known magnetic network, but also flux diffusion, dispersal, and concentration at the surface appear to be controlled by supergranulation. Through such magnetoconvective interactions, magnetic stresses develop, leading to solar activity. We show a Doppler movie made from a 45.5 hr time series obtained 1995 May 9-10 using data from three of the six GONG sites (Learmonth, Tenerife, Tucson), to demonstrate the capability of this system.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19960028765.
Accession ID: 96N29427.
NASA-TM-111440.
NAS 1.15:111440.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15650374