TotalUnassociatedDiaObjectsMetricTask#

TotalUnassociatedDiaObjectsMetricTask computes the number of DIAObjects that have only a single source (as the ap_association.totalUnassociatedDiaObjects metric). It requires an alert production database as input, and is meaningful only at dataset-level granularity.

Processing summary#

TotalUnassociatedDiaObjectsMetricTask queries the database (through Apdb) for the number of DIAObjects with exactly one source.

Python API summary#

Butler datasets#

Input datasets#

:lsst-config-field:`~lsst.verify.tasks.apdbMetricTask.ApdbMetricConfig.dbInfo`

The Butler dataset from which the database connection can be initialized. The type must match the input required by the :lsst-config-field:`~lsst.verify.tasks.apdbMetricTask.ApdbMetricConfig.dbLoader` subtask (default: the top-level science task’s config).

Retargetable subtasks#

Configuration fields#