diff --git a/config/energy_scan.properties b/config/energy_scan.properties
index 965f457..dd30028 100644
--- a/config/energy_scan.properties
+++ b/config/energy_scan.properties
@@ -1,3 +1,4 @@
 Fe=690 755 2 10 0 2 2 2
 Ti=400 475 2 10 0 2 2 2
-Er=1380 1470 3 10 -11 -5.5 1 1
+Er=1375 1465 3 10 -11 -5.5 4.0 4.0
+Ta=1700 1820 3 10 -11 -5.5 4.0 4.0
diff --git a/config/energy_scan.properties~ b/config/energy_scan.properties~
index 598022f..d30dad5 100644
--- a/config/energy_scan.properties~
+++ b/config/energy_scan.properties~
@@ -1,3 +1,3 @@
 Fe=690 755 2 10 0 2 2 2
 Ti=400 475 2 10 0 2 2 2
-Er=
+Er=1375 1465 3 10 -11 -5.5 4.0 4.0