| Attribute name | Attribute type | Docstring | Unit |
| ESO_QC_LINGAIN_GFITn_RMS | float | RMS of the first order polynomial fit used to determine the gain. | |
| ESO_QC_LINGAIN_NLFITn_RMS | float | RMS of the residual non-linearity fit. | |
| 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 | |
| parameter_n | int | quadrant, id n, regexp [1234] | |