The estimated parameter is following.

Hx=( 4.712841717838098 pm 0.03217269398501693 )x1e-12
Hy=( 4.05570284990468 pm 0.02989602761599388 )x1e-12
tau_ax=( 13.278320925890085 pm 1.7613223340804662 )x1e-6
tau_ay=( 13.168774809423168 pm 1.8025234699237673 )x1e-6
Hc=( 0.06256912341942894 pm 0.00100336147242244 )x1e8
fcc=( 20.063355353982555 pm 0.3592990098735488 )
tau_c=( -36.6264287359882 pm 4.168132625308112 )x1e-6