| Attribute name | Attribute type | Docstring | Unit |
| lambdamax | float | Cut off the data above this wavelength after loading the pixel table(s). | |
| lambdamin | float | Cut off the data below this wavelength after loading the pixel table(s). | |
| object_id | oidtype | The object identifier
The object identifier is an attribute shared by all persistent instances. It is the prime key, by which object identity is established | |
| recipe_version | int | Version of the recipe | |