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Wavelet tomography of the Galactic magnetic field - I. The method

Lookup NU author(s): Dr Rodion Stepanov, Professor Anvar Shukurov, Professor Dmitry Sokoloff

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Abstract

We suggest a two-dimensional wavelet devised to deduce the large-scale structure of a physical field (e.g., the Galactic magnetic field) from its integrals along straight paths from irregularly spaced data points to a fixed interior point (the observer). The method can be applied to the analysis of pulsar rotation and dispersion measures in terms of the large-scale Galactic magnetic field and electron density. The method does not use any a priori assumptions about the physical field and can be considered as an algorithm of wavelet differentiation. We argue that a certain combination of the wavelet transformation with model fitting would be most efficient in the interpretation of the available pulsar RM data.


Publication metadata

Author(s): Stepanov R, Frick P, Shukurov A, Sokoloff D

Publication type: Article

Publication status: Published

Journal: Astronomy & Astrophysics

Year: 2002

Volume: 391

Issue: 1

Pages: 361-368

ISSN (print): 0004-6361

ISSN (electronic): 1432-0746

Publisher: EDP Sciences

URL: http://dx.doi.org/10.1051/0004-6361:20020552

DOI: 10.1051/0004-6361:20020552


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