Table Description:
Classification probabilities for each object assigned by machine learning classifiers, including probability values, rankings among all classes, and the timestamp of the classification.
This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
Multi-survey astronomical object catalog containing astrometric and statistical information from multiple surveys. This table provides aggregated properties for astronomical objects including position, detection statistics, and temporal coverage.
For a list of all services and tables belonging to this table's resource, see Information on resource 'ALeRCE Multi-Survey Object Catalog'
To cite the table as such, we suggest the following BibTeX entry:
@MISC{vo:alerce_tap_proba,
year=2026,
title={Classification Probabilities},
author={{ALeRCE} Team},
url={http://tap.alerce.online/tableinfo/alerce_tap.probability},
howpublished={{VO} resource provided by the {ALeRCE} {TAP} service}
}
Sorted alphabetically. [Sort by DB column index]
| Name | Table Head | Description | Unit | UCD |
|---|---|---|---|---|
| class_id | Class_id | Class identifier | N/A | meta.id |
| classifier_id | Classifier_id | Classifier identifier | N/A | meta.id |
| classifier_version | Classifier_version | Classifier version | N/A | meta.version |
| lastmjd | Lastmjd | Last observation MJD | d | time.end |
| oid | Oid | Object identifier | N/A | meta.id;src |
| probability | Probability | Classification probability | N/A | stat.probability |
| ranking | Ranking | Classification ranking | N/A | meta.code.class |
| sid | Sid | Survey identifier | N/A | meta.id |
Columns that are parts of indices are marked like this.
VO nerds may sometimes need VOResource XML for this table.