Solar pulsations

Details Solar pulsations Solar pulsations

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aiaaj..18..176z&link_type=abstract

(American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 17th, New Orleans, La., Jan. 5-17, 1979, ) AIAA

Computer Science

Sound

Astronomical Spectroscopy, Solar Oscillations, Solar Physics, Solar Interior, Sound Waves, Standing Waves

Scientific paper

Oscillations of the surface of the sun, with periods between 5 and 160 min, have been observed by several spectroscopic techniques, and preliminary interpretations have been offered. The 5-min oscillations are global, nonradial, acoustic standing waves in the subsurface zone. Internal differential rotation speeds have been deduced from the Doppler splitting of these waves. Oscillations with longer periods have been reported, but need confirmation. The longest periods offer a tool for investigating the solar interior.

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