Table information for 'ztf.feature_version'

General

Table Description:

Version metadata for feature computation runs, linking feature values in the feature table to the pipeline steps used for extraction and preprocessing.

This table is available for ADQL queries and through the TAP endpoint.

Resource Description:

Legacy ZTF astronomical catalog containing objects, detections, photometric measurements, classifications, and cross-matches from the Zwicky Transient Facility (ZTF) survey, as processed by the ALeRCE broker pipeline.

For a list of all services and tables belonging to this table's resource, see Information on resource 'ALeRCE ZTF Legacy Catalog'

Citing this table

To cite the table as such, we suggest the following BibTeX entry:

@MISC{vo:ztf_feature_vers,
  year=2026,
  title={{ZTF} Feature Versions},
  author={{ALeRCE} Team},
  url={http://tap.alerce.online/tableinfo/ztf.feature_version},
  howpublished={{VO} resource provided by the {ALeRCE} {TAP} service}
}

Columns

Sorted alphabetically. [Sort by DB column index]

NameTable Head DescriptionUnitUCD
step_id_feature Step_id_feature Pipeline step identifier for the feature extraction step N/A meta.id
step_id_preprocess Step_id_preprocess Pipeline step identifier for the preprocessing step N/A meta.id
version Version Feature computation version identifier N/A meta.version

Columns that are parts of indices are marked like this.

VOResource

VO nerds may sometimes need VOResource XML for this table.