uset_caII.epn_coivo://ksb-orb.dc/uset_caII/q/epn_coreYour organisation's nameRoyal Observatory of Belgium2026-05-28T22:55:04ZFill Out

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invalid@example.comDelete this line if you don't want to give itSunSolar AtmosphereChromosphere Uccle Solar Equatorial Table (USET) Calcium II-K observations. Full disk solar images taken at the Royal Observatory of Belgium.10.24414/nc7j-b391https://vo-tap.oma.be/tableinfo/uset_caII.epn_coreArchiveResearchIsServedByROB Virtual Observatory Data Center TAP serviceUccle Solar Equatorial TableUSET Calcium II-K Telescopeuset_caII Uccle Solar Equatorial Table (USET) Calcium II-K observations. Full disk solar images taken at the Royal Observatory of Belgium.uset_caii.epn_core Uccle Solar Equatorial Table (USET) Calcium II-K observations. Full disk solar images taken at the Royal Observatory of Belgium.ivo://ivoa.net/std/epntap#table-2.0granule_uidThe id of the file in the format uset_caIIk_YYYYMMDD_hhmmssmeta.idchargranule_gidEqual to granule_uidmeta.idcharobs_idFILENAME without extensionmeta.id;obschardataproduct_typemeta.code.classchartarget_nameStandar IAU name of target, case sensitive. Must match target_class.meta.id;srcchartarget_classClass of the target of the observation.src.classchartime_minStart time (in JD) of the observation. UTC measured at time_origin location (default is observer's frame).dtime.start;obsdoubletime_maxEnd time (in JD) of the observation. Use here start time plus exposure. UTC measured at time_origin location (default is observer's frame).dtime.end;obsdoubletime_sampling_step_minMin time sampling step.stime.resolution;stat.mindoublenullabletime_sampling_step_maxMax time sampling step.stime.resolution;stat.maxdoublenullabletime_exp_minMinimum integration time. Convert to s.stime.duration;obs.exposure;stat.maxdoubletime_exp_maxMaximum integration time. Convert to s.stime.duration;obs.exposure;stat.mindoublespectral_range_minMin spectral range (as frequency, convert to Hz). Calculated from maximum wavelength: c*10^14/wavemax.Hzem.freq;stat.mindoublespectral_range_maxMax spectral range (as frequency, convert to Hz). Calculated from minimum wavelength: c*10^14/wavemin.Hzem.freq;stat.maxdoublespectral_sampling_step_minMin spectral sampling step.Hzem.freq;spect.binSize;stat.mindoublenullablespectral_sampling_step_maxMax spectral sampling step.Hzem.freq;spect.binSize;stat.maxdoublenullablespectral_resolution_minMinimum spectral resolution (resolving power). Calculated from wavelength: wavemin/max(delta lambda). Convert to Hz.spect.resolution;stat.mindoublenullablespectral_resolution_maxMaximum spectral resolution (resolving power). Calculated from wavelength: wavemax/min(delta lambda). Convert to Hz.spect.resolution;stat.maxdoublenullablec1minMinimum of the first coordinate (depends on the frame).pos.eq.ra;stat.mindoublenullablec1maxMaximum of the first coordinate (depends on the frame).pos.eq.ra;stat.maxdoublenullablec2minMinimum of the second coordinate (depends on the frame).pos.eq.dec;stat.mindoublenullablec2maxMaximum of the second coordinate (depends on the frame).pos.eq.dec;stat.maxdoublenullablec3minMinimum of the third coordinate.pos.distance;stat.mindoublenullablec3maxMaximum of the third coordinate.pos.distance;stat.maxdoublenullables_regionObsCore-like footprint in 2D (if spatial_frame_type = celestial or body).pos.outline;obs.fieldcharc1_resol_minMinimum resolution in the first coordinate.arcsecpos.angResolution;stat.mindoublec1_resol_maxMaximum resolution in the first coordinate.arcsecpos.angResolution;stat.maxdoublec2_resol_minMinimum resolution in the second coordinate.arcsecpos.angResolution;stat.mindoublec2_resol_maxMaximum resolution in the second coordinate.arcsecpos.angResolution;stat.maxdoublec3_resol_minMinimum resolution in the third coordinate.arcsecpos.angResolution;stat.mindoublenullablec3_resol_maxMaximum resolution in the third coordinate.arcsecpos.angResolution;stat.maxdoublenullablespatial_frame_typeFlavor of coordinate system, defines the nature of coordinates. From enumerated list. Use 'none' if undefined.meta.code.class;pos.framecharincidence_minMin incidence angle (solar zenithal angle)degpos.incidenceAng;stat.mindoublenullableincidence_maxMax incidence angle (solar zenithal angle)degpos.incidenceAng;stat.maxdoublenullableemergence_minMin emergence angledegpos.emergenceAng;stat.mindoublenullableemergence_maxMax emergence angledegpos.emergenceAng;stat.maxdoublenullablephase_minMin phase angledegpos.phaseAng;stat.mindoublenullablephase_maxMax phase angledegpos.phaseAng;stat.maxdoublenullableinstrument_host_nameStandard name of the observatory or spacecraft.meta.id;instr.obstycharinstrument_nameStandard name of instrument.meta.id;instrcharmeasurement_typeUCDs defining the data.meta.ucdcharprocessing_levelLEVEL=1 for calibrated data in FITS headermeta.calibLevelintcreation_dateDate of first entry of this granule.dtime.creationdoublemodification_dateDate of last modification.time.processingcharnullablerelease_dateStart of public access period (set to creation_date if no proprietary period).time.releasecharnullableservice_titleTitle of resource = schema name.meta.titlecharbitpixArray data typemetaintnullablenaxisNymber of array dimensionsintnullablenaxis1Number of pixels along axis 1meta.number;instr.pixelintnullablenaxis2Number of pixels along axis 2meta.number;instr.pixelintnullablesolarnetFully SOLARNET-compliant=1.0, partially=0.5metaintnullableobs_hduThis HDY contains observational datametaintnullableobsgeo_xECEF X coordinate of the observermpos.cartesian.x;obs.observer;posdoublenullableobsgeo_yECEF Y coordinate of the observermpos.cartesian.y;obs.observer;posdoublenullableobsgeo_zECEF Z coordinate of the observermpos.cartesian.z;obs.observer;posdoublenullablecameraModel of the camerameta.id;instrcharnullablewaveunitPower of 10 by which the metre is multipliedstat.valuedoublenullableobs_modePredefined settings used during obsinstr.setup;obs.calib;phot.calib;obscharnullablebtype['type of data, Unified Content Descriptor']charnullablebunitUnit of physical valuemeta.unit;stat.value;physcharnullablebscaleTo be multiplied to the data array valuesstat.valuedoublenullablebzeroTo be added by the data array valuesstat.valuedoublenullablephysparaPhysical parameter represented in the dataobs.param;instr.param;phys;charnullablectype1Helioproj. westward angle, TAN projectioncharnullablectype2Helioproj. northward angle, TAN projectioncharnullablecunit1Units along axis 1meta.unitcharnullablecunit2Units along axis 2meta.unitcharnullablepc1_1WCS coordinate transformation matrix element 1_1doublenullablepc1_2WCS coordinate transformation matrix element 1_2doublenullablepc2_1WCS coordinate transformation matrix element 2_1doublenullablepc2_2WCS coordinate transformation matrix element 2_2doublenullablecrotaRotation angledegdoublenullablesolar_rEstimated radius of the Sunpixelphys.size.radius;pos.heliocentricdoublenullabler_errorError on the estimated radiuspixelstat.error;phys.size.radius;pos.heliocentricdoublenullablecrval1Value of reference pixel along axis 1arcsecmeta.ref;instr.pixel;stat.valuedoublenullablecrval2Value of reference pixel along axis 2pixelmeta.ref;instr.pixel;stat.valuedoublenullablecrpix1Reference pixel location along axis 1pixelmeta.ref;instr.pixeldoublenullablecrpix2Reference pixel location along axis 2pixelmeta.ref;instr.pixeldoublenullablecreatorName of software that produced the FITSmeta.id;meta.softwarecharnullablevers_swVersion of software appliedmeta.version;meta.softwareintnullablecontactContact person at the institutionmeta.idcharnullablesolar_b0Tilt of the solar North Poledegdoublenullablesolar_p0Celestial North to solar North angledegdoublenullabledoiDigital Object Identifiermeta.ref.doicharnullablechecksumHDU checksummeta.checksumcharnullabledatasumdata unit checksummeta.unit;meta.checksumlongnullable