On the Importance of Various Sources of Systematic Errors in Helioseismic Measurements

Details On the Importance of Various Sources of Systematic Errors in Helioseismic Measurements On the Importance of Various Sources of Systematic Errors in Helioseismic Measurements

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spd....28.0205s&link_type=abstract

American Astronomical Society, SPD meeting #28, #02.05; Bulletin of the American Astronomical Society, Vol. 29, p.893

Astronomy and Astrophysics

Astronomy

Scientific paper

With the increasing precision of helioseismic measurements, the importance of systematic errors are increasing too. In this poster I will examine the importance of various possible systematic errors in the measurements on which some of the recent discoveries in helioseismology rely. Among the problems I will examine are the effects of the distortion of the p-modes by differential rotation, the horizontal displacement and the use of a-coefficients instead of individual m splittings. All of these problems could potentially cause the frequency splittings to be significantly biased. The research presented here was supported by NASA contract NAG5-3077 to MDI at Stanford University.

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