Rotational inversion from global solar oscillations

Details Rotational inversion from global solar oscillations Rotational inversion from global solar oscillations

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sses.nasa...79c&link_type=abstract

In JPL Solar Seismology from Space. p 79-93 (SEE N85-25060 14-92)

Astronomy and Astrophysics

Astrophysics

4

Astrophysics, Helioseismology, Solar Oscillations, Solar Rotation, Angular Velocity, Quadrupoles, Random Noise

Scientific paper

The authors investigate the degree to which various sets of solar oscillations can resolve the solar internal rotation. Genuine observations were simulated by the following procedure: First an artificial angular velocity was invented by one of the authors, and from it the rotational splitting of a set of normal modes was calculated; to that was added some random noise. The result was treated as artificial data by the other author, acting as an observer, who attempted to recover the rotation law by using the Backus-Gilbert optimal averaging procedure. The observer knew neither the original rotation law nor the amount of noise that had been added. Finally his conclusion was compared with the actual artificial angular velocity.

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