diff --git a/.gitattributes b/.gitattributes
index 60bc3c70..e64f68ff 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,3 +3,4 @@ w7.h5 filter=lfs diff=lfs merge=lfs -text
 at.h5 filter=lfs diff=lfs merge=lfs -text
 atom_data/kurucz_atom_chianti_many.h5 filter=lfs diff=lfs merge=lfs -text
 atom_data/kurucz_cd23_chianti_H_He.h5 filter=lfs diff=lfs merge=lfs -text
+plasma_reference/reference_data.h5 filter=lfs diff=lfs merge=lfs -text
diff --git a/plasma_reference/reference_data.h5 b/plasma_reference/reference_data.h5
new file mode 100644
index 00000000..179a9f03
--- /dev/null
+++ b/plasma_reference/reference_data.h5
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:74ff3cef46c8b839adb51cb1ae03515583b09faae46da61bb31b7deb9851411d
+size 47199816