| Attribute name | Attribute type | Docstring | Unit |
|---|
| creation_date | datetime | The datetime this objects was created | |
| ESO_QC_EXPALIGN_BKG_MAD | float | Median absolute deviation of the background pixels. | |
| ESO_QC_EXPALIGN_BKG_MEDIAN | float | Median value of background pixels. | |
| ESO_QC_EXPALIGN_NDET | int | Number of detected sources. | |
| ESO_QC_EXPALIGN_SRC_POSITIONS | str | Origin of the source positions. | |
| ESO_QC_EXPALIGN_THRESHOLD | float | Detection threshold used for detecting sources. | |
| 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 | |
