tau = 10
250	0.0007656530304386143
275	-0.000455812231012494
342.6	0.011039512566894345
395	0.04907568783236859
501.3	0.6978872174699564
630.6	1.1167187740738294
727	0.1725569889816498
889	-0.0026581183880222095

tau = 100
250	0.0007656530304386143
275	-0.0004907879219967682
342.6	0.02607866794865499
395	0.08171915313509331
501.3	1.0865522470536504
630.6	1.9374002107929806
727	0.38362769606322344
889	-0.0025817928912271458