Fig. 21

Average of calibrated quv data sets or Epsilon Aurigae observed with HiVIS on October 23rd 2013. The 4 main observing blocks at similar telescope pointings were averaged to achieve high S/N. The signal is largely qu as expected from ESPaDOnS observations. The Stokes v measurements are nearly zero. Some residual Stokes v is expected when using calibrations derived over a 6 month time frame. See text for details.
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