validate_unit¶
-
synphot.units.
validate_unit
(input_unit)[source]¶ Validate unit.
To be compatible with existing SYNPHOT data files:
- ‘angstroms’ and ‘inversemicrons’ are accepted although unrecognized by astropy units
- ‘transmission’, ‘extinction’, and ‘emissivity’ are converted to astropy dimensionless unit
Parameters: - input_unit : str or
Unit
Unit to validate.
Returns: - output_unit :
Unit
Validated unit.
Raises: - synphot.exceptions.SynphotError
Invalid unit.