Fig. 3
Ratio of the BipoSH spectra 
for the V and the W bands. The trend recovered by our detailed analysis clearly matches the WMAP7 observations. The very low and high multipole regions which have poor S/N are indicated with pink shading. We also plot the ratio corresponding to Hanson et al. (2010) estimates, which is consistent with observations at low-ℓs, but, not surprisingly, far off at high-ℓs.
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