A procedure for the inversion of f-mode travel times for solar flows

Details A procedure for the inversion of f-mode travel times for solar flows A procedure for the inversion of f-mode travel times for solar flows

2007-02-13

arxiv.org/abs/astro-ph/0702345v1

Astron.Nachr. 328 (2007) 234-239

Astronomy and Astrophysics

Astrophysics

8 pages, 9 figures

Scientific paper

10.1002/asna.200610725

We perform a two-dimensional inversion of f-mode travel times to determine near-surface solar flows. The inversion is based on optimally localized averaging of travel times. We use finite-wavelength travel-time sensitivity functions and a realistic model of the data errors. We find that it is possible to obtain a spatial resolution of 2 Mm. The error in the resulting flow estimate ultimately depends on the observation time and the number of travel distances used in the inversion.

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