Table information for 'alerce_tap.feature'

General

Table Description:

Computed features from light curves for each object and photometric band, including time-series statistics and variability metrics used as inputs to machine learning classifiers.

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'

Citing this table

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

@MISC{vo:alerce_tap_featu,
  year=2026,
  title={Light Curve Features},
  author={{ALeRCE} Team},
  url={http://tap.alerce.online/tableinfo/alerce_tap.feature},
  howpublished={{VO} resource provided by the {ALeRCE} {TAP} service}
}

Columns

Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
oid Oid Object identifier N/A meta.id;src
sid Sid Survey identifier N/A meta.id
feature_id Feature_id Feature identifier N/A meta.id
band Band Photometric band N/A instr.bandpass
version Version Feature version N/A meta.version
feature_value Feature_value Feature value N/A stat.value
updated_date Updated_date Date record was last updated N/A time.processing

Columns that are parts of indices are marked like this.

VOResource

VO nerds may sometimes need VOResource XML for this table.