Fig. 4

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Intensity (I), Q, and U polarization maps and polarization power spectra obtained for filament-like (top) and sheet-like (bottom) clouds (left to right). The values of quantities extracted from the power spectra are ℛEB = 1.69, rTE = 0.65, aTT = −2.47, aEE = −2.45, and aBB = −2.47 for filaments and ℛEB = 1.36, rTE = 0.61, aTT = −2.19, aEE = −2.40, and aBB = −1.91 for sheets.
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