diff --git a/p9/data/estacionari/ferro_fit.dat b/p9/data/estacionari/ferro_fit.dat
new file mode 100644
index 0000000..aed1308
--- /dev/null
+++ b/p9/data/estacionari/ferro_fit.dat
@@ -0,0 +1,16 @@
+0	2.05	52.994	1.460
+5	1.74	45.234	1.244
+10	1.49	38.914	1.078
+15	1.3	34.072	0.957
+20	1.16	30.483	0.870
+25	1	26.359	0.775
+30	0.95	25.065	0.746
+35	0.9	23.768	0.718
+40	0.87	22.989	0.701
+45	0.84	22.209	0.684
+50	0.82	21.689	0.673
+55	0.81	21.429	0.667
+60	0.8	21.168	0.661
+65	0.79	20.908	0.656
+70	0.79	20.908	0.656
+75	0.78	20.647	0.650