MergeMeasurementsTask

Python API summary

from lsst.pipe.tasks.mergeMeasurements import MergeMeasurementsTask

classMergeMeasurementsTask(butler=None, schema=None, initInputs=None, **kwargs)

! @anchor MergeMeasurementsTask_...

attributeconfig

Access configuration fields and retargetable subtasks.

methodrun(catalogs)

! Merge measurement catalogs to create a single reference catalog for forced photometry...

methodrunDataRef(patchRefList)

! @brief Merge coadd sources from multiple bands. Calls @ref `run`. @param[in] patchRefList list of data references for each filter...

See also

See the MergeMeasurementsTask API reference for complete details.

Retargetable subtasks

No subtasks.

Configuration fields

coaddName

Default

'deep'

Field type

str Field

Name of coadd

connections

Data type

lsst.pipe.base.config.Connections

Field type

ConfigField

Configurations describing the connections of the PipelineTask to datatypes

flags

Default

['base_PixelFlags_flag_interpolatedCenter', 'base_PsfFlux_flag', 'ext_photometryKron_KronFlux_flag', 'modelfit_CModel_flag']

Field type

str ListField

Require that these flags, if available, are not set

minSN

Default

10.0

Field type

float Field

If the S/N from the priority band is below this value (and the S/N is larger than minSNDiff compared to the priority band), use the band with the largest S/N as the reference band.

minSNDiff

Default

3.0

Field type

float Field

If the difference in S/N between another band and the priority band is larger than this value (and the S/N in the priority band is less than minSN) use the band with the largest S/N as the reference band

priorityList

Default

[]

Field type

str ListField

Priority-ordered list of filter bands for the merge.

pseudoFilterList

Default

['sky']

Field type

str ListField

Names of filters which may have no associated detection (N.b. should include MergeDetectionsConfig.skyFilterName)

saveMetadata

Default

True

Field type

bool Field

Flag to enable/disable metadata saving for a task, enabled by default.

snName

Default

'base_PsfFlux'

Field type

str Field

Name of flux measurement for calculating the S/N when choosing the reference band.