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DM-56470: Update description of diffim limiting magnitude #496

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Merged
isullivan merged 1 commit into from
Oct 5, 2026
Merged

DM-56470: Update description of diffim limiting magnitude #496

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4 changes: 3 additions & 1 deletion metricInfo/metricInformation.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -263,7 +263,9 @@ diffimLimitingMagnitude:
debugGroup: diffim
atoolsFile: diffimMetadataMetrics.py
description: |
The limiting magnitude of the difference image based on photometric zeropoint and average PSF FWHM
The 5 sigma point-source limiting AB magnitude of the difference image, from the science and
template limits added in quadrature in flux. Each limit uses the median good-pixel variance and
the noise-equivalent area of the PSF.
scaleTemplateVarianceFactor:
lowThreshold: 0.9
highThreshold: 1.1
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4 changes: 3 additions & 1 deletion python/lsst/analysis/tools/metricInformation.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -320,7 +320,9 @@ diffimLimitingMagnitude:
debugGroup: diffim
atoolsFile: diffimMetadataMetrics.py
description: |
The limiting magnitude of the difference image based on photometric zeropoint and average PSF FWHM
The 5 sigma point-source limiting AB magnitude of the difference image, from the science and
template limits added in quadrature in flux. Each limit uses the median good-pixel variance and
the noise-equivalent area of the PSF.
scaleTemplateVarianceFactor:
lowThreshold: 0.9
highThreshold: 1.1
Expand Down
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