Local measurements of the mean interstellar polarization at high Galactic latitudes R. Skalidis, G. V. Panopoulou, K. Tassis, V. Pavlidou, D. Blinov, I. Komis and I. Liodakis A&A, 616 (2018) A52 Published online: 14 August 2018 DOI: 10.1051/0004-6361/201832827