| Description: Amount of air along the line of sight when observing a celestial target. Equivalent to one divided by the cosine of the zenith angle (in degrees). |
| Namespace Id: ebt | Steward: sbn | Class Name: Airmass | Type: ASCII_Real |
| Minimum Value: 0 | Maximum Value: 1.7976931348623157e308 | Minimum Characters: None | Maximum Characters: None |
| Unit of Measure Type: Units_of_Optical_Path_Length | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: REAL |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | No Values | |