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Contour-Crossing Statistics for Small Scale Structure on Radio Polarized Intensity Maps of the Interstellar Medium

Lookup NU author(s): Professor Dmitry Sokoloff, Dr Andrew Fletcher, Professor Anvar ShukurovORCiD


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The applicability of contour-crossing statistics to radio polarized intensity maps of the interstellar medium is discussed with the aim of extracting physical information on interstellar turbulence. We determine to what extent contour-crossing statistics is right for the description of narrow regions of low polarization (so-called canals), whose existence has been discussed recently by some researchers. Contour-crossing statistics can yield the characteristic sizes of small scale structures on the maps, and be used to estimate the scale of fluctuations in the interstellar medium.

Publication metadata

Author(s): Mizeva IA, Sokoloff DD, Fletcher A, Frick PG, Shukurov A

Publication type: Article

Publication status: Published

Journal: Astronomy Reports

Year: 2009

Volume: 53

Issue: 10

Pages: 879-885

ISSN (print): 1063-7729

ISSN (electronic): 1562-6881

Publisher: MAIK Nauka - Interperiodica


DOI: 10.1134/S1063772909100011


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Funder referenceFunder name
Leverhulme Trust