CTAO-SDCivo://padc.obspm.he/ctao_sdc/q/obscoreParis Astronomical Data CentreCTAO2026-07-31T15:37:06ZMathieu Servillatmathieu.servillat@obspm.frhigh-energy-astrophysicsCTAO IVOA ObsCore description of event lists for simulated observation of the CTAO Science Data Challengehttp://voparis-tap-he.obspm.fr/tableinfo/ctao_sdc.obscoreIsServedByPADC TAP Server on voparis-tap-he.obspm.fr ObscorePADC TAP Server on voparis-tap-he.obspm.fr TAP servicehttp://voparis-tap-he.obspm.fr/tapCTAO 3/9 26 49 165 436-437 445 4/44-45 63 109-111 120 122 147 149-151 153 156 192 204-206 208 225 227-228 333 337-339 344-345 359 365 367 370 376 659 665 668 1659 1662 1690-1691 1694 1712-1713 1716 1733 1735 1741 1752-1753 1755-1756 1758-1759 1777 1779 5/58-59 62 133 135 140-141 143 165 192 194 200 202 224 245 247 394-395 398-399 410 432 434-435 459 484 486 492 494 583 593-595 609 611 620-621 628-630 632-633 772 776 778 781 783 805 807 813-815 828 830-831 836 840-842 897 899 905 916-918 920-922 924 1309 1311 1341 1345-1347 1360 1362 1368 1370 1384-1385 1388 1392 1431 1457 1459 1465 1467 1474-1475 1478 1484 1486 1508 1510 1512-1514 1812-1813 2302-2303 2631 2676-2678 2688 2690 2816 2818 2824 2826 6587 6590-6591 6631 6634-6635 6642-6643 6652 6654-6655 6754-6755 6758-6759 6770 6782 6857 6860-6861 6863 6868 6870 6872-6874 6929-6931 6936-6937 6939 6961 7016-7017 7028 7141 7152-7153 7156 6/190-191 254-255 426 529 531 537-539 568-569 571 657 659 668-669 671 737 740-741 752-753 756 780 782 804 806 812 814 894-895 900 904-906 979 985-987 1574-1575 1585-1588 1590-1591 1634-1635 1646 1662-1663 1732 1734-1735 1833-1835 1848 1850-1851 1940 1942 1948 1950 1972 1974 2327 2331 2343 2349 2351 2369-2371 2468-2469 2471 2489 2492-2493 2524-2526 2544-2545 3092-3094 3096-3097 3101-3103 3123 3129 3131 3200-3202 3217 3219 3225 3227 3245-3247 3250-3251 3316 3318-3319 3352 3354 3372-3374 3456-3458 3587 3593 3595 3617 3619 3628-3629 3676-3678 3692-3693 3700 5213-5215 5235 5241-5243 5361 5363 5372-5373 5378-5379 5446 5452 5454 5476-5478 5484 5486 5544-5545 5548-5549 5551 5556-5558 5560-5561 5576 5578 5719 5723 5735 5741-5743 5833 5835 5857 5859 5865 5867 5890-5891 5893-5895 5906-5907 5916 5918 5940 5942 5948 5950 6036 6060-6062 6064 6066 7236-7237 7239 7424-7426 7428 8872 8874 9195 9198-9199 9898-9899 10240 10242 10248 10250 10272 10274 10280 10402 10408 10410-10411 10518-10519 10521 10523 10543 10629 10631 10637 10639 10672-10673 10676-10677 10716-10717 10720-10721 10724-10725 10784-10786 10792 11270 11276 11278 11300 11302 11308 11392-11394 26347 26355 26358-26359 26523 26530 26534-26535 26586-26587 26612 26614-26615 26869 26871 26877 26879 27014-27015 27026-27027 27030-27031 27074-27075 27084 27086-27087 27120 27122 27221 27223 27425 27427 27437 27448-27449 27451 27500-27501 27504-27506 27713 27715 27753 27755 27841 27853 27893 28077 28116-28118 28120-28122 28421 28423 28429 28431 28453 28455 28560-28561 2862861125 638372.403264931e-08 3.685006228e-05Gamma-rayivoaDefinition and support code for the ObsCore data model and table.ivoa.obscoreThis data collection is queryable in PADC TAP Server on voparis-tap-he.obspm.fr's obscore table.ctao_sdc CTAO Science Data Challenge test datactao_sdc.obscore IVOA ObsCore description of event lists for simulated observation of the CTAO Science Data Challengedataproduct_typeHigh level scientific classification of the data product, taken from an enumerationmeta.code.classobscore:obsdataset.dataproducttypecharnullabledataproduct_subtypeData product specific typemeta.code.classobscore:obsdataset.dataproductsubtypecharnullablecalib_levelAmount of data processing that has been applied to the datameta.code;obs.calibobscore:obsdataset.caliblevelshortobs_collectionName of a data collection (e.g., project name) this data belongs tometa.idobscore:dataid.collectioncharnullableobs_idUnique identifier for an observationmeta.idobscore:DataID.observationIDcharnullableobs_titleFree-from title of the data setmeta.title;obsobscore:dataid.titlecharnullableobs_publisher_didDataset identifier assigned by the publisher.meta.ref.ivoidobscore:curation.publisherdidcharindexednullableobs_creator_didDataset identifier assigned by the creator.meta.idobscore:dataid.creatordidcharnullableaccess_urlThe URL at which to obtain the data set.meta.ref.urlobscore:access.referencecharnullableaccess_formatMIME type of the resource at access_urlmeta.code.mimeobscore:access.formatcharnullableaccess_estsizeEstimated size of data productkbytephys.size;meta.fileobscore:access.sizelongnullabletarget_nameObject a targeted observation targetedmeta.id;srcobscore:Target.Namecharnullabletarget_classClass of the target object (star, QSO, ...)src.classobscore:target.classcharnullables_raRA of (center of) observation, ICRSdegpos.eq.raobscore:char.spatialaxis.coverage.location.coord.position2d.value2.c1doubleindexednullables_decDec of (center of) observation, ICRSdegpos.eq.decobscore:char.spatialaxis.coverage.location.coord.position2d.value2.c2doubleindexednullables_fovApproximate spatial extent for the region covered by the observationdegphys.angSize;instr.fovobscore:char.spatialaxis.coverage.bounds.extent.diameterfloatnullables_regionRegion covered by the observation, as a polygonpos.outline;obs.fieldobscore:char.spatialaxis.coverage.support.areacharnullables_resolutionBest spatial resolution within the data setarcsecpos.angResolutionobscore:Char.SpatialAxis.Resolution.refval.valuefloatnullablet_minLower bound of times represented in the data setdtime.start;obs.exposureobscore:char.timeaxis.coverage.bounds.limits.starttimedoublenullablet_maxUpper bound of times represented in the data setdtime.end;obs.exposureobscore:char.timeaxis.coverage.bounds.limits.stoptimedoublenullablet_exptimeTotal exposure timestime.duration;obs.exposureobscore:char.timeaxis.coverage.support.extentfloatnullablet_resolutionMinimal significant time interval along the time axisstime.resolutionobscore:char.timeaxis.resolution.refval.valuefloatnullableem_minMinimal wavelength represented within the data setmem.wl;stat.minobscore:char.spectralaxis.coverage.bounds.limits.lolimitfloatnullableem_maxMaximal wavelength represented within the data setmem.wl;stat.maxobscore:char.spectralaxis.coverage.bounds.limits.hilimitfloatnullableem_res_powerSpectral resolving power lambda/delta lambdaspect.resolutionobscore:char.spectralaxis.resolution.resolpower.refvalfloatnullableo_ucdUCD for the product's observablemeta.ucdobscore:char.observableaxis.ucdcharnullablepol_statesList of polarization states in the data setmeta.code;phys.polarizationobscore:Char.PolarizationAxis.stateListcharnullablefacility_nameName of the facility at which data was takenmeta.id;instr.telobscore:Provenance.ObsConfig.facility.namecharnullableinstrument_nameName of the instrument that produced the datameta.id;instrobscore:Provenance.ObsConfig.instrument.namecharnullables_xel1Number of elements (typically pixels) along the first spatial axis.meta.numberobscore:Char.SpatialAxis.numBins1intnullables_xel2Number of elements (typically pixels) along the second spatial axis.meta.numberobscore:Char.SpatialAxis.numBins2intnullablet_xelNumber of elements (typically pixels) along the time axis.meta.numberobscore:Char.TimeAxis.numBinsintnullableem_xelNumber of elements (typically pixels) along the spectral axis.meta.numberobscore:Char.SpectralAxis.numBinsintnullablepol_xelNumber of elements (typically pixels) along the polarization axis.meta.numberobscore:Char.PolarizationAxis.numBinsintnullables_pixel_scaleSampling period in world coordinate units along the spatial axisarcsecphys.angSize;instr.pixelobscore:Char.SpatialAxis.Sampling.RefVal.SamplingPeriodfloatnullableem_ucdNature of the product's spectral axis (typically, em.freq, em.wl, or em.energy)meta.ucdobscore:Char.SpectralAxis.ucdcharnullablepreviewURL of a preview (low-resolution, quick-to-retrieve representation) of the data.meta.ref.url;meta.previewcharnullablesource_tableName of a TAP-queriable table this data originates from. This source table usually provides more information on the the data than what is given in obscore. See the TAP_SCHEMA of the originating TAP server for details.meta.id;meta.tablecharnullableobs_creation_dateDate when the dataset was createdtime;meta.datasetDataID.datecharnullableobs_creator_nameName of the creator of the datameta.idDataID.creatorcharnullablepublisher_idIVOA-ID for the Publishermeta.ref.uri;meta.curationCuration.publisherIDcharnullableobs_release_dateObservation release date (ISO 8601)time.releaseCuration.releaseDatecharnullabledata_rightsPublic/Secure/Proprietarymeta.codeCuration.rightscharnullables_calib_statusType of calibration along the spatial axismeta.code.qualChar.SpatialAxis.calibrationStatuscharnullablet_calib_statusType of time coordinate calibrationmeta.code.qualChar.TimeAxis.calibrationStatuscharnullableem_calib_statusType of spectral coord calibrationmeta.code.qualChar.SpectralAxis.calibrationStatuscharnullableem_unitUnits along the spectral axismeta.unitChar.SpectralAxis.unitcharnullableproposal_idIdentifier of proposal to which observation belongsmeta.id;obs.proposalProvenance.Proposal.identifiercharnullableproposal_tagProposal short namemeta.id;obs.proposalcharnullableev_xelNumber of events in an hea-event-listmeta.number;instr.detection;phys.particleintnullables_ref_energyEnergy at which the ObsCore spatial characterization attributes s_fov , s_region, s_resolution are definedeVmeta.ref;em.energy;posdoublenullableem_ref_energyEnergy at which the ObsCore spectral characterization attributes em_res_power, em_resolution are definedeVmeta.ref;em.energy;emdoublenullables_ref_oaaOff-axis angle (i.e., the angular separation of the target or source from the telescope optical axis) at which the ObsCore spatial characterization attributes s_fov , s_region, s_resolution are defineddegpos.posAng;instr.offset;posdoublenullableem_ref_oaaOff-axis angle (i.e., the angular separation of the target or source from the telescope optical axis) at which the ObsCore spectral characterization attributes em_res_power, em_resolution are defineddegpos.posAng;instr.offset;emdoublenullablet_intervalsList of observation intervals or stable/good time intervals describing the exact observation time coveragecharnullableenergy_minEnergy associated to the ObCcore attribute em_max, describing the minimal energy of the dataseteVem.energy;stat.mindoublenullableenergy_maxEnergy associated to the ObsCore attribute em_min, describing the maximal energy of the dataseteVem.energy;stat.maxdoublenullableobs_modeObservation mode of the observation (e.g., TBU)meta.code;obs.paramcharnullabletracking_modeTracking mode of an observation (e.g., sidereal rate, moving target [solar system] tracking, drift scans)meta.code;obs.paramcharnullablescan_modeScan mode of an observation for pointing instruments (e.g. on-source, on-off, raster-map, on-the-fly-cross-scan, on-the-fly-cross-map, slew)meta.code;obs.paramcharnullablepointing_modePointing mode of an observation for pointing instruments (e.g. parallel, convergent[-ang], divergent[-ang])meta.code;obs.paramcharnullableanalysis_modeData reduction/analysis modemeta.code;obs.paramcharnullableevent_typeEvent subset indicator (e.g., data quality flag for the events)meta.code.qual;obs.eventcharnullablemessenger_nameMessenger particle type (e.g., photon, cosmic-ray, neutrino)meta.id;phys.particlecharnullablemessenger_pdgidMessenger particle PDG ID (e.g., “+13”)meta.ref.pdgid;phys.particlecharnullableobserving_periodobserving_periodcharnullablelunar_cycle_idlunar_cycle_idcharnullablerelease_referencerelease_referencecharnullablealt_minalt_mincharnullablealt_maxalt_maxcharnullablealt_pntalt_pntcharnullableaz_pntaz_pntcharnullablesky_brigthnesssky_brigthnesscharnullableontimeontimecharnullablelivetimelivetimecharnullabledeadcdeadccharnullablen_telsn_telscharnullabletellisttellistcharnullableev_classev_classcharnullablecoverageintroduces an ascii (ST)MOC, v2 (2D footprint on celestial, spherical, or body-related frames, possibly including time)pos.outline;obs.fieldcharnullablescs_idobservation id for simple cone searchmeta.id;meta.maincharnullabledatalinkURL of datalink service for this datasetmeta.ref.urlcharnullableaccess_url_thisURL of download endpoint for the datasetmeta.ref.urlcharnullablelfnLogical File Name in in the collection as stored in the Science Archivemeta.ref.urlcharnullable