AstrometrySourceSelectorTask

AstrometrySourceSelectorTask selects sources that are useful for astrometry.

Python API summary

from lsst.meas.algorithms.astrometrySourceSelector import AstrometrySourceSelectorTask

classAstrometrySourceSelectorTask(*args, **kwargs)

Select sources that are useful for astrometry...

attributeconfig

Access configuration fields and retargetable subtasks.

methodrun(sourceCat, sourceSelectedField=None, matches=None, exposure=None)

Select sources and return them...

See also

See the AstrometrySourceSelectorTask API reference for complete details.

Retargetable subtasks

No subtasks.

Configuration fields

badFlags

Default

['base_PixelFlags_flag_edge', 'base_PixelFlags_flag_interpolatedCenter', 'base_PixelFlags_flag_saturatedCenter', 'base_PixelFlags_flag_crCenter', 'base_PixelFlags_flag_bad']

Field type

str ListField

List of flags which cause a source to be rejected as bad

minSnr

Default

10

Field type

float Field

Minimum allowed signal-to-noise ratio for sources used for matching (in the flux specified by sourceFluxType); <= 0 for no limit

sourceFluxType

Default

'Ap'

Field type

str Field

Type of source flux; typically one of Ap or Psf