Harmonic In-painting of Cosmic Microwave Background Sky by Constrained Gaussian Realization

  title={Harmonic In-painting of Cosmic Microwave Background Sky by Constrained Gaussian Realization},
  author={Jaiseung Kim and Pavel D. Naselsky and Nazzareno Mandolesi},
  journal={The Astrophysical Journal},
The presence of astrophysical emissions between the last scattering surface and our vantage point requires us to apply a foreground mask on cosmic microwave background (CMB) sky maps, leading to large cuts around the Galactic equator and numerous holes. Since many CMB analysis, in particular on the largest angular scales, may be performed on a whole-sky map in a more straightforward and reliable manner, it is of utmost importance to develop an efficient method to fill in the masked pixels in a… 

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