GrismWaveRGrismWaveR - The reference wavelength

Description:
This attribute holds reference wavelength. The default value is 5000 (Angstrom). The units of this attribute should be consistent with those of attributes GrismNRPGrismNRP and GrismGGrismG.
Type:
Double precision.
Class Applicability:
GrismMapGrismMap
All GrismMaps have this attribute.