class jwst.photom.PhotomStep(name=None, parent=None, config_file=None, _validate_kwds=True, **kws)[source]

Bases: JwstStep

PhotomStep: Module for loading photometric conversion information from

reference files and attaching or applying them to the input science data model

Create a Step instance.

  • name (str, optional) – The name of the Step instance. Used in logging messages and in cache filenames. If not provided, one will be generated based on the class name.

  • parent (Step instance, optional) – The parent step of this step. Used to determine a fully-qualified name for this step, and to determine the mode in which to run this step.

  • config_file (str or pathlib.Path, optional) – The path to the config file that this step was initialized with. Use to determine relative path names of other config files.

  • **kws (dict) – Additional parameters to set. These will be set as member variables on the new Step instance.

Attributes Summary




Methods Summary


This is where real work happens.

Attributes Documentation

class_alias = 'photom'
reference_file_types: ClassVar = ['photom', 'area']
inverse = boolean(default=False)    # Invert the operation
source_type = string(default=None)  # Process as specified source type.
mrs_time_correction = boolean(default=True) # Apply the MIRI MRS time dependent correction

Methods Documentation


This is where real work happens. Every Step subclass has to override this method. The default behaviour is to raise a NotImplementedError exception.