Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996msfc.rept.....b&link_type=abstract
Technical Report, NASA Marshall Space Flight Center ,Huntsville,AL United States
Astronomy and Astrophysics
Astronomy
Solar Flares, Solar Activity, Telescopes, Magnetic Flux, Helioseismology, Doppler Radar, Solar Granulation, Solar Oscillations, Astronomy, Time Series Analysis
Scientific paper
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.
Beck John Gunther
Hathaway David H.
Simon George W.
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