Image Details
Caption: Figure 12.
This confusion matrix shows whether a target is counted as a detection using the default Rubin 5σ threshold and compares that to whether it is counted as a detection using the DETECT 80% detection threshold (i.e., the magnitude where 80% of injected test sources were recovered at ≥5σ). We find that ∼36% of epochs that are registered as detections using the default Rubin 5σ threshold are actually nondetections after analysis with DETECT. However, keep in mind that the targets in this work were selected to be located in bright host galaxies that can possibly confuse the image-subtraction pipelines. The false-positive rate across all default 5σ detections for the whole survey will not be this high.
© 2026. The Author(s). Published by the American Astronomical Society.