Fig. 11
Surface magnetic field geometry of HN Peg for six epochs as reconstructed using Zeeman Doppler Imaging. Top row: a) 2007.67; b) 2008.71; c) 2009.54; bottom row: d) 2010.62; e) 2011.67; f) 2013.68. For each epoch, the magnetic field components are shown as projection onto one axis of the spherical coordinate frame, where from top to bottom: radial, azimuthal and meridional magnetic field components are shown. the field strength is shown in Gauss, where red represents positive polarity and blue represents negative polarity.
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