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[ascl:2010.010] lenspyx: Curved-sky python lensed CMB maps simulation package

lenspyx creates curved-sky python lensed CMB maps simulations; the software allows those familiar with healpy (ascl:2008.022) to build very easily lensed CMB simulations. Parallelization is done with openmp. The numerical cost is approximately that of an high-res harmonic transform. lenspyx provides two methods to build a simulation; one method computes a deflected spin-0 healpix map from its alm and deflection field alm, and the other computes a deflected spin-weight Healpix map from its gradient and curl modes and deflection field alm. lenspyx can be used in conjunction with the Planck 2018 CMB lensing pipeline plancklens (ascl:2010.009) to reproduce the published map and band-powers.

Code site:
https://github.com/carronj/lenspyx
Used in:
https://ui.adsabs.harvard.edu/abs/2020arXiv200612935D
Bibcode:
2020ascl.soft10010C

Views: 133

ascl:2010.010
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