Update get_fid_offset with provenance

sot · Oct 23, 2023 · a9218d2 · a9218d2
1 parent 91db9c3
commit a9218d2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/chandra_aca/drift.py b/chandra_aca/drift.py
@@ -168,6 +168,9 @@ def calc(self, times, t_ccd):
 def get_fid_offset(time, t_ccd):
     """
     Compute the fid light offset values for the provided inputs.
+    The y_offset and z_offset values in this function were calibrated against the
+    2022-11 aimpoint drift model and the FEB07 fid characteristics.
+    See https://github.com/sot/fid_drift_mon/blob/master/fid_offset_coeff.ipynb
     """
 
     # Define model instances using calibrated parameters