LoadDiaCatalogsTask#

class lsst.ap.association.LoadDiaCatalogsTask(**kwargs)#

Retrieve DiaObjects and associated DiaSources from the Apdb given an input exposure.

Methods Summary

`loadDiaForcedSources`(diaObjects, region, ...)	Load DiaForcedSources from the Apdb based on their diaObjectId.
`loadDiaObjects`(region, schema)	Load DiaObjects from the Apdb based on their HTM location.
`loadDiaSources`(diaObjects, region, dateTime, ...)	Load DiaSources from the Apdb based on their diaObjectId or location.
`run`(regionTime)	Preload all DiaObjects and DiaSources from the Apdb given the current exposure.

Methods Documentation

loadDiaForcedSources(diaObjects, region, dateTime, schema)#

Load DiaForcedSources from the Apdb based on their diaObjectId.

Parameters#

diaObjectspandas.DataFrame: DiaObjects to load the history for, indexed by diaObjectId.
regionsphgeom.Region: Region of interest.
dateTimeastropy.time.Time: Time of the current visit
schema‘dict’ of lsst.dax.apdb.apdbSchema.ApdbSchema: A dict of the schemas in the apdb.

diaForcedSourcespandas.DataFrame: DiaForcedSources loaded from the Apdb that are associated with diaObjects, indexed by diaObjectId and diaForcedSourceId.

loadDiaObjects(region, schema)#

Load DiaObjects from the Apdb based on their HTM location.

regionsphgeom.Region: Region of interest.
schema‘dict’ of lsst.dax.apdb.apdbSchema.ApdbSchema: A dict of the schemas in the apdb.

diaObjectspandas.DataFrame: DiaObjects loaded from the Apdb that are within region, indexed by diaObjectId.

loadDiaSources(diaObjects, region, dateTime, schema)#

Load DiaSources from the Apdb based on their diaObjectId or location.

diaObjectspandas.DataFrame: DiaObjects to load the history for, indexed by diaObjectId.
regionsphgeom.Region: Region of interest.
dateTimeastropy.time.Time: Time of the current visit
schema‘dict’ of lsst.dax.apdb.apdbSchema.ApdbSchema: A dict of the schemas in the apdb.

diaSourcespandas.DataFrame: DiaSources loaded from the Apdb that are within region and associated with diaObjects, indexed by diaObjectId, band, and diaSourceId.

run(regionTime)#

Preload all DiaObjects and DiaSources from the Apdb given the current exposure.

regionTimelsst.pipe.base.utils.RegionTimeInfo: A serializable container for a sky region and timespan.

Results struct with components.

diaObjects : Complete set of DiaObjects covering the input exposure padded by angleMargin. DataFrame is indexed by the diaObjectId column. (pandas.DataFrame)
diaSources : Complete set of DiaSources covering the input exposure padded by angleMargin. DataFrame is indexed by diaObjectId, band, diaSourceId columns. (pandas.DataFrame)
diaForcedSources : Complete set of forced photometered fluxes on the past 12 months of difference images at DiaObject locations, indexed by diaObjectId and diaForcedSourceId. (pandas.DataFrame)