"tau v time
0.0000000000000	0.0004745219791
0.3515742187500	0.0004730438422
0.7031484375000	0.0004715516774
1.0547226562500	0.0004700663078
1.4062968750000	0.0004685960156
1.7578710937500	0.0004671304471
2.1094453125000	0.0004657254085
2.4610195312500	0.0004644450453