HESS-DL3-DR1ivo://padc.obspm.he/hess_dr/q_sdc/obscore_sdcParis Astronomical Data CentreH.E.S.S. collaboration2026-03-03T16:07:51ZMathieu Servillatmathieu.servillat@obspm.frhigh-energy-astrophysics IVOA ObsCore description of event lists for observations in the H.E.S.S. DL3 public test data release 1. The release consists of event lists and instrument response functions for observations of various well-known gamma-ray sources (the Crab nebula, PKS 2155-304, MSH 15-52, RX J1713.7-3946) as well as observations of empty fields for background modeling.https://www.mpi-hd.mpg.de/hfm/HESS/pages/dl3-dr1/IsServedByPADC TAP Server on voparis-tap-he.obspm.fr TAP servicehttp://voparis-tap-he.obspm.fr/taphess_dr The release consists of event lists and instrument response functions for observations of various well-known gamma-ray sources (the Crab nebula, PKS 2155-304, MSH 15-52, RX J1713.7-3946) as well as observations of empty fields for background modeling.hess_dr.obscore_sdc IVOA ObsCore description of event lists for observations in the H.E.S.S. DL3 public test data release 1. The release consists of event lists and instrument response functions for observations of various well-known gamma-ray sources (the Crab nebula, PKS 2155-304, MSH 15-52, RX J1713.7-3946) as well as observations of empty fields for background modeling.dataproduct_typeproduct type: spectrum or timeseries ...meta.idcharnullabledataproduct_subtypeproduct subtypemeta.notecharnullablecalib_levelcalibration levelmeta.idintnullableobs_collectionname of the data collectionmeta.idcharnullableobs_idobservation idmeta.idcharnullableobs_publisher_diddataset identifier given by the publishermeta.idcharnullableaccess_urlURL used to access datasetmeta.ref.urlcharnullableaccess_formatfile content formatmeta.idcharnullableaccess_estsizeestimated size of datasetkbytephys.size;meta.fileintnullabletarget_namename of targetmeta.id;srccharnullables_raright ascension of target (ICRS)degpos.eq.radoublenullables_decdeclination of target (ICRS)degpos.eq.decdoublenullables_fovaverage diameter of the covered regiondegphys.angSize;obs.fielddoublenullables_regionregion covered as specified in STC or ADQLcharnullables_resolutionspatial resolution of data as FWHMarcsecpos.angResolutiondoublenullablet_minstart timedtime.start;obs.exposuredoublenullablet_maxstop timedtime.end;obs.exposuredoublenullablet_exptimetotal exposure timestime.duration;obs.exposuredoublenullablet_resolutiontemporal resolution FWHMstime.resolutiondoublenullableem_energy_min_tevstart in spectral coordinates in TeVTeVem.energy;stat.mindoublenullableem_energy_max_tevstop in spectral coordinates in TeVTeVem.energy;stat.maxdoublenullableem_minstart in spectral coordinatesmem.wl;stat.mindoublenullableem_maxstop in spectral coordinatesmem.wl;stat.maxdoublenullableem_res_powerspectral resolving powerspect.resolutiondoublenullableo_ucdUCD of observablemeta.ucdcharnullablepol_stateslist of polarization states or NULL if N/Aphys.polarizationcharnullablefacility_namename of facility used for this observationmeta.id;instr.obstycharnullableinstrument_namename of the instrument used for this observationinstr.experimentcharnullablecoverageintroduces an ascii (ST)MOC, v2 (2D footprint on celestial, spherical, or body-related frames, possibly including time)pos.outline;obs.fieldcharnullablera_pntObservation pointing right ascensiondegpos.eq.radoublenullabledec_pntObservation pointing declinationdegpos.eq.decdoublenullableglon_pntObservation pointing Galactic longitudedegpos.galactic.londoublenullableglat_pntObservation pointing Galactic latitudedegpos.galactic.latdoublenullablezen_pntObservation pointing zenith angle at observation mid-time TMIDdegposdoublenullablealt_pntObservation pointing altitude at observation mid-time TMIDdegposdoublenullableaz_pntObservation pointing azimuth at observation mid-time TMIDdegposdoublenullableobjectPrimary target of the observationmeta.id;srccharnullablera_objRight ascension of OBJECTdegpos.eq.radoublenullabledec_objDeclination of OBJECTdegpos.eq.decdoublenullableoffset_objDistance between observation position and OBJECTdeginstr.offsetdoublenullableontimeTotal observation time (including dead time). Equals TSTOP - TSTARTstime.durationdoublenullablelivetimeTotal livetime (observation minus dead time)stimedoublenullabledeadcDead time correction. It is defined such that LIVETIME = DEADC * ONTIME i.e. the fraction of time the telescope was actually able to take data.time;arith.ratiodoublenullabletstartStart time of observation relative to the reference timetime.startdoublenullabletstopEnd time of observation relative to the reference timetime.enddoublenullabledate_obsObservation start datetime.start;obs.exposurecharnullabletime_obsObservation start timetime.start;obs.exposurecharnullabledate_endObservation end datetime.end;obs.exposurecharnullabletime_endObservation end timetime.end;obs.exposurecharnullablen_telsNumber of participating telescopesmeta.numberintnullabletellistTelescope IDs (e.g. ?1,2,3,4?)meta.id;instr.telcharnullablequalityObservation data quality. The following levels of data quality are defined: -1 = unknown quality, 0 = best quality, suitable for spectral analysis, 1 = medium quality, suitable for detection, but not spectra (typically if the atmosphere was hazy), 2 = bad quality, usually not to be used for analysis.meta.code.qualintnullablemuoneffMean muon efficiency. Currently use definitions from analysis chain, since creating a unified specification is tricky.doublenullableevent_countNumber of eventsmeta.numberintnullabletarget_name_subsetThe observation subset namemeta.id;srccharnullabletarget_tagTarget tagmeta.id;src.classcharnullabletarget_offsetDistance between observation position and targetdeginstr.offsetdoublenullablesafe_energy_loLow energy thresholdTeVem.energy;stat.mindoublenullablesafe_energy_hiHigh energy thresholdTeVem.energy;stat.maxdoublenullable