| Description: The value of keyword "OPUS_VER" found in the FITS header, if any. It is updated when data files are re-calibrated. This attribute is often missing from older data products. In such cases, this attribute should be nil with nilReason = "missing". |
| Namespace Id: hst | Steward: rings | Class Name: Processing_Parameters | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: true | Pattern: None |
| Permissible Value(s) | No Values | |