alerce_tap.ztf_fivo://x-unregistred/alerce_tap/multisurvey_lowercase/ztf_forced_photometryALeRCE (Automatic Learning for the Rapid Classification of Events)ALeRCE Teamhttps://tap.alerce.online/favicon.png2026-04-11T22:13:50ZALeRCE Team

Beauchef 851, Edificio Norte, piso 6. Santiago, Chile.

alerce.broker@gmail.comastronomy, objectssurveystransientstime-series ZTF forced photometry measurements at known object positions, including magnitudes with and without host galaxy corrections, image quality metrics (seeing, background, zero point), reference source properties, and processing status flags.http://tap.alerce.online/tableinfo/alerce_tap.ztf_forced_photometryalerce_tap 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.alerce_tap.ztf_forced_photometry ZTF forced photometry measurements at known object positions, including magnitudes with and without host galaxy corrections, image quality metrics (seeing, background, zero point), reference source properties, and processing status flags.oidObject identifiermeta.id;srclongindexedprimarysidSurvey identifiermeta.idshortmeasurement_idMeasurement identifiermeta.idlongindexedprimarypidProcessing IDmeta.idlongnullablemagMagnitudemagphot.magfloate_magMagnitude errormagstat.error;phot.magfloatmag_corrCorrected magnitudemagphot.mag;arith.correctedfloatnullablee_mag_corrCorrected magnitude errormagstat.error;phot.mag;arith.correctedfloatnullablee_mag_corr_extExtended corrected magnitude errormagstat.error;phot.magfloatnullableisdiffposDifference image positive flagmeta.codeintcorrectedCorrection applied flagmeta.code.qualbooleandubiousDubious measurement flagmeta.code.qualbooleanparent_candidParent candidate IDmeta.idlongnullablefieldField numberobs.fieldintrcidReadout channel IDinstr.detintrfidReference image IDmeta.idlongsciinpseeingScience image seeingarcsecinstr.obsty.seeingfloatscibckgndScience image backgroundinstr.skyLevelfloatscisigpixScience image sigma per pixelstat.stdev;instr.pixelfloatmagzpsciMagnitude zero pointmagphot.calibfloatmagzpsciuncMagnitude zero point uncertaintymagstat.error;phot.calibfloatmagzpscirmsMagnitude zero point RMSmagstat.stdev;phot.calibfloatclrcoeffColor coefficientarith.factorfloatclrcouncColor coefficient uncertaintystat.error;arith.factorfloatexptimeExposure timestime.duration;obs.exposurefloatadpctdif1Adaptive percentile difference 1stat.valuefloatadpctdif2Adaptive percentile difference 2stat.valuefloatdiffmaglimDifference image magnitude limitmagphot.mag;stat.minfloatprogramidProgram IDobs.programintprocstatusProcessing statusmeta.code.statuschardistnrDistance to nearest sourcearcsecpos.angDistancefloatranrRA of nearest sourcedegpos.eq.radoubledecnrDec of nearest sourcedegpos.eq.decdoublemagnrMagnitude of nearest sourcemagphot.magfloatsigmagnrMagnitude error of nearest sourcemagstat.error;phot.magfloatchinrChi of nearest sourcestat.fit.chi2floatsharpnrSharpness of nearest sourcestat.valuefloatcreated_dateDate record was createdtime.creationcharnullable