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Lookup NU author(s): Dr Rodion Stepanov,
Professor Anvar Shukurov,
Professor Dmitry Sokoloff
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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.
Author(s): Stepanov R, Frick P, Shukurov A, Sokoloff D
Publication type: Article
Publication status: Published
Journal: Astronomy & Astrophysics
ISSN (print): 0004-6361
ISSN (electronic): 1432-0746
Publisher: EDP Sciences
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