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Update absolute separation default. #1352

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2 changes: 2 additions & 0 deletions CHANGES.rst
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,8 @@ tweakreg
--------
- Remove unnecessary global variable ALIGN_TO_ABS_REFCAT. [#1314]

- Update default absolute separation for tweakreg. [#1352]


0.15.1 (2024-05-15)
===================
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2 changes: 1 addition & 1 deletion romancal/tweakreg/tweakreg_step.py
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ class TweakRegStep(RomanStep):
abs_searchrad = float(default=6.0) # The search radius in arcsec for a match when performing absolute astrometry
# We encourage setting this parameter to True. Otherwise, xoffset and yoffset will be set to zero.
abs_use2dhist = boolean(default=True) # Use 2D histogram to find initial offset when performing absolute astrometry?
abs_separation = float(default=0.1) # Minimum object separation in arcsec when performing absolute astrometry
abs_separation = float(default=1.0) # Minimum object separation in arcsec when performing absolute astrometry
abs_tolerance = float(default=0.7) # Matching tolerance for xyxymatch in arcsec when performing absolute astrometry
# Fitting geometry when performing absolute astrometry
abs_fitgeometry = option('shift', 'rshift', 'rscale', 'general', default='rshift')
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