Index: /trunk/ippconfig/gpc2/psphot.config
===================================================================
--- /trunk/ippconfig/gpc2/psphot.config	(revision 42469)
+++ /trunk/ippconfig/gpc2/psphot.config	(revision 42470)
@@ -118,2 +118,24 @@
         CONSTANT_PHOTOMETRIC_WEIGHTS        BOOL  TRUE
 END
+
+UNIONS_DR3 METADATA
+  PEAKS_NSIGMA_LIMIT                  F32   100.0            # peak significance threshold
+  PSF.TREND.NX                        S32   1
+  PSF.TREND.NY                        S32   1
+  PEAKS_USE_SIGNAL_IMAGE	      BOOL  TRUE             # significance peaks have a central divot
+  LMM_FIT_USE_REWEIGHTING             BOOL  TRUE             # use IRLS-style reweighting (TRUE) or ordinary LMM
+  EXT_MODEL                           STR   PS_MODEL_RGAUSS
+
+# EXTENDED_SOURCE_FITS                BOOL  TRUE  # perform any of the aperture-like measurements?
+# EXTENDED_SOURCE_ANNULI              BOOL  TRUE
+# EXTENDED_SOURCE_SN_LIM              F32   5.0
+
+  # radii in pixels. UNIONS_DR3 uses TESS RINGS.V3 with 0.25 arcsec pixels
+  # these correspond to 1, 2, 4, 8, 12, 16 arcsecond radii
+  @RADIAL.ANNULAR.BINS.LOWER          F32      0.00 4.00  8.00 16.00 32.00 48.00 # perl parser fails without a comment ticket #1476 still?
+  @RADIAL.ANNULAR.BINS.UPPER          F32      4.00 8.00 16.00 32.00 48.00 64.00 # perl parser fails without a comment ticket #1476 still?
+  RADIAL.ANNULAR.BINS.MIN             S32      3 # always measure apertures to this entry
+
+  RADIAL_APERTURES		      BOOL  TRUE # measure the radial apertures listed above
+  RADIAL_APERTURES_SN_LIM             F32   0.0  # S/N limit for radial aperture calculation
+END