diff --git a/config/comCamSim/gbdesAstrometricFit.py b/config/comCamSim/gbdesAstrometricFit.py
index 6412c5d5c..e39849597 100644
--- a/config/comCamSim/gbdesAstrometricFit.py
+++ b/config/comCamSim/gbdesAstrometricFit.py
@@ -2,3 +2,7 @@
 comCamSim-specific overrides for GbdesAstrometricFitTask
 """
 config.connections.referenceCatalog = "uw_stars_20240228"
+config.applyRefCatProperMotion = False
+config.referenceFilter = 'lsst_r'
+config.devicePolyOrder = 5
+config.exposurePolyOrder = 7
diff --git a/config/comCamSim/refCatSourceAnalysisTask.py b/config/comCamSim/refCatSourceAnalysisTask.py
new file mode 100644
index 000000000..9e2b47496
--- /dev/null
+++ b/config/comCamSim/refCatSourceAnalysisTask.py
@@ -0,0 +1,4 @@
+"""comCamSim-specific overrides for RefCatSourceAnalysisTask"""
+
+config.connections.refCatalog = "uw_stars_20240228"
+config.connections.outputName = "sourceTable_visit_uw_stars_20240228_match"