| Description: The numeric identifier of the proposal or observing program, as assigned by the Space Telescope Science Institute. In HST data files, this is the value of FITS keyword PROPOSID. |
| Namespace Id: hst | Steward: rings | Class Name: Program_Parameters | Type: ASCII_Integer |
| Minimum Value: -9223372036854775808 | Maximum Value: 9223372036854775807 | Minimum Characters: None | Maximum Characters: None |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: INTEGER |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | No Values | |