Mechanical to Magnetic Center Offsets.  These are the distances the stages moved from the mechanical center to the magnetic center. 
  Axis        Offset                   B Field 
               (mm)                      (G)
X	         -0.21		        -0.07 +/- 0.02
Y              0.16	             -0.02 +/- 0.01
Z	         -0.32		        -9356.76 +/- 0.1