r3 in Radial_​Flat_​Field_​Function

Name: r3Version Id:
Description: The r3 attribute specifies specifies the 3rd-order polynomial coefficient of the function used to describe an algorithmic flat field. See Radial_Flat_Field_Function for the formula.
Namespace Id: imgSteward: imgClass Name: Radial_​Flat_​Field_​FunctionType: ASCII_​Real
Minimum Value: -1.7976931348623157e308Maximum Value: 1.7976931348623157e308Minimum Characters: NoneMaximum Characters: None
Unit of Measure Type: NoneDefault Unit Id: NoneAttribute Concept: NoneConceptual Domain: REAL
Status: ActiveNillable: falsePattern: None
Permissible Value(s)No Values