Effects of surface layers on helioseismic inversion

Antia, H. M. (1995) Effects of surface layers on helioseismic inversion Monthly Notices of the Royal Astronomical Society, 274 (2). pp. 499-503. ISSN 0035-8711

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Official URL: http://articles.adsabs.harvard.edu/cgi-bin/nph-iar...


In helioseismic inversions it is traditionally assumed that uncertainties in the treatment of surface layers of the Sun introduce frequency shifts which, after suitable scaling, can be expressed as a function of frequency alone. By considering explicit examples it is demonstrated that, although this assumption is correct to first order, the actual frequency changes are not a function of frequency alone to the accuracy of measured frequencies. This is true even for intermediate degree modes which are most useful for inversion. The errors introduced in inversion as a result of such simplifying assumptions are studied.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Sun: Atmosphere; Sun: Oscillations
ID Code:75604
Deposited On:24 Dec 2011 14:04
Last Modified:24 Dec 2011 14:04

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