June 06 - CMB, Websky and LensPix

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I took the map from the Websky simulation (those on this website) and did :

- lensing of unlensed CMB with kappa from Websky, with two different parameters for LensPix: the old and one of the best obtained according to the results of yesterday;

- lensing of unlensed CMB with kappa from Websky, using Joel's & Alex's code.

Then I plotted the relative difference for each lensed map (with filter), the result is below.

There is a difference between the Websky map and the other, if the theory calculus is the right one, with no surprise, the best parameter for LensPix (interpolation factor = 6) is near the theory's computation.

UPDATE : I included CAMB simulation, see below.

Reldiff web theo lenspix 2.png