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Harmonic Inpainting of the Cosmic Microwave Background Sky: Formulation and Error Estimate

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arxiv 0804.0527 v2 pith:YSXRAAJQ submitted 2008-04-03 astro-ph

Kaiki Taro Inoue , Paolo Cabella , Eiichiro Komatsu This is my paper · ORCID
classification astro-ph
keywords maskbackgroundcosmicdatafindgalaxyharmonicinpainting
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We develop a new interpolation scheme, based on harmonic inpainting, for reconstructing the cosmic microwave background temperature data within the Galaxy mask from the data outside the mask. We find that, for scale-invariant isotropic random Gaussian fluctuations, the developed algorithm reduces the errors in the reconstructed map for the odd-parity modes significantly for azimuthally symmetric masks with constant galactic latitudes. For a more realistic Galaxy mask, we find a modest improvement in the even-parity modes as well.

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    astro-ph.CO 2019-08 conditional novelty 5.0 of 10

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