| Description: The purpose attribute provides an indication of the primary purpose of the observations included. |
| Namespace Id: pds | Steward: pds | Class Name: Primary_Result_Summary | 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: ID | Conceptual Domain: Short_String |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | Calibration | Data collected to determine the relationship between measurement values and physical units. |
| | Checkout | Data collected during operational tests |
| | Engineering | Data collected about support systems and structures, which are ancillary to the primary measurements. |
| | Navigation | Data collected to support navigation |
| | Observation Geometry | Data used to compute instrument observation geometry, such as SPICE kernels. |
| | Science | Data collected primarily to answer questions about the targets of the investigation. |
| | Supporting Observation | A science observation that was acquired to provide support for another science observation (e.g., a context image for a very high resolution observation, or an image intended to support an observation by a spectral imager). |