| Description: The vir_channel_id identifies the instrument channel producing the data. |
| Namespace Id: dawn | Steward: ppi | Class Name: VIR_Data_Information | 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: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | IR | The data were produced by the Infrared (IR) channel. |
| | VIS | The data were produced by the Visibile (VIS) channel. |