Expected constraints on the Galactic magnetic field using Planck data L. Fauvet, J. F. Macías-Pérez, T. R. Jaffe, A. J. Banday, F. X. Désert and D. Santos A&A, 540 (2012) A122 Published online: 09 April 2012 DOI: 10.1051/0004-6361/201016349