Reference File Types

Cal_Ver uses a CALVER reference file.

CRDS Selection Criteria

The CALVER reference files are selected by matching a dataset header against a tuple which defines multiple parameter values whose names are specified in the rmap header parkey.

CALVER Reference File Format

CALVER reference files are json files, containing a version number for each calibration step. The files apply to any steps that are in any imaging or spectroscopic pipeline.