Contour-crossing statistics for small scale structure on radio polarized intensity maps of the interstellar medium
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- Mizeva, I.A., Sokoloff, D.D., Fletcher, A. et al. Astron. Rep. (2009) 53: 879. doi:10.1134/S1063772909100011
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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.