| Attribute name | Attribute type | Docstring | Unit |
| bias | BIAS | instance of BIAS, group raw, min -1, max 1 | |
| file_deleted | int | Switch to indicate if file has been deleted from the data server(s) | |
| filename | str | The name of the associated file | |
| globalname | str | The name used to store and retrieve file to and from Storage | |
| muserun | MuseRun | The object was created during this MuseRun | |
| 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 | |
| process_params | recipe_qi_mask | Processing parameters recipe_qi_mask | |
| trace_table | TRACE_TABLE | instance of TRACE_TABLE, group calib, min 1, max 1 | |
| wavecal_table | WAVECAL_TABLE | instance of WAVECAL_TABLE, group calib, min 1, max 1 | |