Paper: (Update) When galactic foregrounds are allowed to vary

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A minimal power-spectrum-based moment expansion for CMB B-mode searches by S. Azzoni, M. H. Abitbol, D. Alonso, A. Gough, N. Katayama, T. Matsumura

Alex’s first paper has now been published in JCAP! You can read the previous blog post about the arXiv version of this paper here.

Four maps sky maps. The top two show the polarisation of dust and synchrotron, while the bottom two show the amplitude of the spectral indices as a function of position on the sky.