Gaia catalogs (wcc_sim.catalog)

Gaia DR3 cone-search catalog with a simple on-disk cache.

wcc_sim.catalog.GAIA_EPOCH = 2016.0

Reference epoch of Gaia DR3 positions (Julian year).

wcc_sim.catalog.build_adql(ra_deg, dec_deg, radius_arcsec, mag_limit)

wcc_sim.catalog.query_gaia(ra_deg, dec_deg, radius_arcsec, mag_limit=21.0, cache_dir=None)

Gaia DR3 sources within radius_arcsec of (ra, dec), G <= mag_limit.