bextract_apr18DK-154 objectsIdentified objects on DK-154 surveysbextract_apr18.dim_exposureExposure dimension.accrefinternal file referencemeta.ref.url;datalink.previewcharnullabledateobsEpoch at midpoint of observationdcharnullablehjdEpoch at midpoint of observation in Heliocentric Modified Julian DatedVOX:Image_MJDateObsspec:Spectrum.Data.SpectralAxis.ValuedoublenullablebandFreeform name of the bandpass usedVOX:BandPass_IDcharnullableobsname_idintindexedprimarytel_altHorizontal telescope coordinates altitudedoublenullabletel_azHorizontal telescope coordinates azimuthdoublenullableairmassAirmass of target locationdoublenullablepressureAtmospheric pressure [mbar]doublenullabletmpOutside temperature of enviroment [Celsius]doublenullableoriraOriginal position of the center of the image (RA)doublenullableoridecOriginal position of the center of the image (DEC)doublenullablecrder2Astrometry accuracy.doublenullable
bextract_apr18.dim_observation_objcatObservation dimension with catalog object degenerated dimension.raj2000Observed RA of the objectdegpos.eq.ra;meta.maindoubleindexednullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoubleindexednullablemagMagnitude of the objectmagphot.magfloatnullableabmagabmagphot.magfloatnullablestmagstmagphot.magfloatnullablephotratephot.countfloatnullablephotonphotonphot.countfloatnullableflxPhoton fluxphot.fluxfloatnullablefnuphot.flux;meta.modelledfloatnullableflamphot.flux;meta.modelledfloatnullablemagerrmagstat.error;phot.magfloatnullableabmagerrabmagstat.error;phot.magfloatnullablestmagerrstmagstat.error;phot.magfloatnullablephotrateerrstat.error;phot.countfloatnullablephotonerrphotonstat.error;phot.countfloatnullableflxerrstat.error;phot.fluxfloatnullablefnuerrstat.error;phot.flux;meta.modelledfloatnullableflamerrstat.error;phot.flux;meta.modelledfloatnullableskyfloatnullableskyerrfloatnullableobsname_idIdentifier for the source fileintindexednullablestarnoRunning number of the extracted objectintindexedcat_idIdentifier (HEALPix identifier for the USNO-B 1.0 object)meta.id;meta.mainlongindexednullablecat_raj2000RA of the catalog objectdegdoubleindexednullablecat_dej2000DEC of the catalog objectdegdoubleindexednullable
bextract_dec17DK-154 objectsIdentified objects on DK-154 surveysbextract_dec17.dim_exposureExposure dimension.accrefinternal file referencemeta.ref.url;datalink.previewcharnullabledateobsEpoch at midpoint of observationdcharnullablehjdEpoch at midpoint of observation in Heliocentric Modified Julian DatedVOX:Image_MJDateObsspec:Spectrum.Data.SpectralAxis.ValuedoublenullablebandFreeform name of the bandpass usedVOX:BandPass_IDcharnullableobsname_idintindexedprimarytel_altHorizontal telescope coordinates altitudedoublenullabletel_azHorizontal telescope coordinates azimuthdoublenullableairmassAirmass of target locationdoublenullablepressureAtmospheric pressure [mbar]doublenullabletmpOutside temperature of enviroment [Celsius]doublenullableoriraOriginal position of the center of the image (RA)doublenullableoridecOriginal position of the center of the image (DEC)doublenullablecrder2Astrometry accuracy.doublenullable
bextract_dec17.dim_observation_objcatObservation dimension with catalog object degenerated dimension.raj2000Observed RA of the objectdegpos.eq.ra;meta.maindoubleindexednullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoubleindexednullablemagMagnitude of the objectmagphot.magfloatnullableabmagabmagphot.magfloatnullablestmagstmagphot.magfloatnullablephotratephot.countfloatnullablephotonphotonphot.countfloatnullableflxPhoton fluxphot.fluxfloatnullablefnuphot.flux;meta.modelledfloatnullableflamphot.flux;meta.modelledfloatnullablemagerrmagstat.error;phot.magfloatnullableabmagerrabmagstat.error;phot.magfloatnullablestmagerrstmagstat.error;phot.magfloatnullablephotrateerrstat.error;phot.countfloatnullablephotonerrphotonstat.error;phot.countfloatnullableflxerrstat.error;phot.fluxfloatnullablefnuerrstat.error;phot.flux;meta.modelledfloatnullableflamerrstat.error;phot.flux;meta.modelledfloatnullableskyfloatnullableskyerrfloatnullableobsname_idIdentifier for the source fileintindexednullablestarnoRunning number of the extracted objectintindexedcat_idIdentifier (HEALPix identifier for the USNO-B 1.0 object)meta.id;meta.mainlongindexednullablecat_raj2000RA of the catalog objectdegdoubleindexednullablecat_dej2000DEC of the catalog objectdegdoubleindexednullable
bextract_jan18DK-154 objectsIdentified objects on DK-154 surveysbextract_jan18.dim_exposureExposure dimension.accrefinternal file referencemeta.ref.url;datalink.previewcharnullabledateobsEpoch at midpoint of observationdcharnullablehjdEpoch at midpoint of observation in Heliocentric Modified Julian DatedVOX:Image_MJDateObsspec:Spectrum.Data.SpectralAxis.ValuedoublenullablebandFreeform name of the bandpass usedVOX:BandPass_IDcharnullableobsname_idintindexedprimarytel_altHorizontal telescope coordinates altitudedoublenullabletel_azHorizontal telescope coordinates azimuthdoublenullableairmassAirmass of target locationdoublenullablepressureAtmospheric pressure [mbar]doublenullabletmpOutside temperature of enviroment [Celsius]doublenullableoriraOriginal position of the center of the image (RA)doublenullableoridecOriginal position of the center of the image (DEC)doublenullablecrder2Astrometry accuracy.doublenullable
bextract_jan18.dim_observation_objcatObservation dimension with catalog object degenerated dimension.raj2000Observed RA of the objectdegpos.eq.ra;meta.maindoubleindexednullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoubleindexednullablemagMagnitude of the objectmagphot.magfloatnullableabmagabmagphot.magfloatnullablestmagstmagphot.magfloatnullablephotratephot.countfloatnullablephotonphotonphot.countfloatnullableflxPhoton fluxphot.fluxfloatnullablefnuphot.flux;meta.modelledfloatnullableflamphot.flux;meta.modelledfloatnullablemagerrmagstat.error;phot.magfloatnullableabmagerrabmagstat.error;phot.magfloatnullablestmagerrstmagstat.error;phot.magfloatnullablephotrateerrstat.error;phot.countfloatnullablephotonerrphotonstat.error;phot.countfloatnullableflxerrstat.error;phot.fluxfloatnullablefnuerrstat.error;phot.flux;meta.modelledfloatnullableflamerrstat.error;phot.flux;meta.modelledfloatnullableskyfloatnullableskyerrfloatnullableobsname_idIdentifier for the source fileintindexednullablestarnoRunning number of the extracted objectintindexedcat_idIdentifier (HEALPix identifier for the USNO-B 1.0 object)meta.id;meta.mainlongindexednullablecat_raj2000RA of the catalog objectdegdoubleindexednullablecat_dej2000DEC of the catalog objectdegdoubleindexednullable
bextract_jul16DK-154 objectsIdentified objects on DK-154 surveysbextract_jul16.dim_exposureExposure dimension.accrefinternal file referencemeta.ref.url;datalink.previewcharnullabledateobsEpoch at midpoint of observationdcharnullablehjdEpoch at midpoint of observation in Heliocentric Modified Julian DatedVOX:Image_MJDateObsspec:Spectrum.Data.SpectralAxis.ValuedoublenullablebandFreeform name of the bandpass usedVOX:BandPass_IDcharnullableobsname_idintindexedprimarytel_altHorizontal telescope coordinates altitudedoublenullabletel_azHorizontal telescope coordinates azimuthdoublenullableairmassAirmass of target locationdoublenullablepressureAtmospheric pressure [mbar]doublenullabletmpOutside temperature of enviroment [Celsius]doublenullableoriraOriginal position of the center of the image (RA)doublenullableoridecOriginal position of the center of the image (DEC)doublenullablecrder2Astrometry accuracy.doublenullable
bextract_jul16.dim_observation_objcatObservation dimension with catalog object degenerated dimension.raj2000Observed RA of the objectdegpos.eq.ra;meta.maindoubleindexednullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoubleindexednullablemagMagnitude of the objectmagphot.magfloatnullableabmagabmagphot.magfloatnullablestmagstmagphot.magfloatnullablephotratephot.countfloatnullablephotonphotonphot.countfloatnullableflxPhoton fluxphot.fluxfloatnullablefnuphot.flux;meta.modelledfloatnullableflamphot.flux;meta.modelledfloatnullablemagerrmagstat.error;phot.magfloatnullableabmagerrabmagstat.error;phot.magfloatnullablestmagerrstmagstat.error;phot.magfloatnullablephotrateerrstat.error;phot.countfloatnullablephotonerrphotonstat.error;phot.countfloatnullableflxerrstat.error;phot.fluxfloatnullablefnuerrstat.error;phot.flux;meta.modelledfloatnullableflamerrstat.error;phot.flux;meta.modelledfloatnullableskyfloatnullableskyerrfloatnullableobsname_idIdentifier for the source fileintindexednullablestarnoRunning number of the extracted objectintindexedcat_idIdentifier (HEALPix identifier for the USNO-B 1.0 object)meta.id;meta.mainlongindexednullablecat_raj2000RA of the catalog objectdegdoubleindexednullablecat_dej2000DEC of the catalog objectdegdoubleindexednullable
ccd700CCD700 Ondrejov Spectraccd700.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectpos.eq.ra;meta.maincharnullabledej2000Main value of declinationpos.eq.dec;meta.maincharnullableobj_nameUnique identifier of 1 object.charobservercharnullablemhjdHeliocentric Julian DatedoublenullablevhelioHeliocentric correction applied on spectrumdoublenullablegrat_angleGrating tiltdegdoublenullablespg_setupSpectrograph setup (Dichroic mirror/Spectral filter)charnullabledetectorDetector used to capture spectrumcharnullableinstrumentInstrument used to capture spectrumcharnullabletelescopeTelescope used to capture spectrumcharnullableexpvalPhoton counts (Mcount)doublenullable
dk154_rawdataDK154 Chile telescopeObservations captured by ASU CAS facility by DK154 telescopedk154_rawdata.raw_imagesObservations captured by ASU CAS facility by DK154 telescopeaccrefinternal file referencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedAccess.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizeAccess.SizelongnullablecenteralphaApproximate center of image, RAdegPOS_EQ_RA_MAINdoublenullablecenterdeltaApproximate center of image, DecdegPOS_EQ_DEC_MAINdoublenullableimagetitleSynthetic name of the imageVOX:Image_TitlecharnullableinstidIdentifier of the originating instrumentINST_IDcharnullabledateobsEpoch at midpoint of observationdVOX:Image_MJDateObsdoublenullablenaxesNumber of axes in dataVOX:Image_NaxesintnullablepixelsizeNumber of pixels along each of the axespixVOX:Image_NaxisintnullablepixelscaleThe pixel scale on each image axisdeg/pixVOX:Image_ScalefloatnullablerefframeCoordinate system reference frameVOX:STC_CoordRefFramecharnullablewcs_equinoxEquinox of the given coordinatesyrVOX:STC_CoordEquinoxfloatnullablewcs_projectionFITS WCS projection typeVOX:WCS_CoordProjectioncharnullablewcs_refpixelWCS reference pixelpixVOX:WCS_CoordRefPixelfloatnullablewcs_refvaluesWorld coordinates at WCS reference pixeldegVOX:WCS_CoordRefValuedoublenullablewcs_cdmatrixFITS WCS CDij matrixdeg/pixVOX:WCS_CDMatrixfloatnullablebandpassidFreeform name of the bandpass usedVOX:BandPass_IDcharnullablebandpassunitUnit of bandpass specifications (always m).VOX:BandPass_UnitcharnullablebandpassrefvalCharacteristic quantity for the bandpass of the imagemVOX:BandPass_RefValuefloatnullablebandpasshiUpper limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_HiLimitfloatnullablebandpassloLower limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_LoLimitfloatnullablepixflagsFlags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display onlyVOX:Image_PixFlagscharnullablecoverageField covered by the imagedegcharindexednullableexposurestime.duration;obs.exposurefloatnullabletelescopeTelescope used for the observationmeta.id;instr.telcharnullableimg_typeType of observation (SCIENCE, FLAT, or BIAS)meta.code.classcharnullable
dk154_reducedDK154 Chile telescopeObservations captured by ASU CAS facility by DK154 telescopedk154_reduced.reduced_imagesObservations captured by ASU CAS facility by DK154 telescopeaccrefinternal file referencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedAccess.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizeAccess.SizelongnullablecenteralphaApproximate center of image, RAdegPOS_EQ_RA_MAINdoublenullablecenterdeltaApproximate center of image, DecdegPOS_EQ_DEC_MAINdoublenullableimagetitleSynthetic name of the imageVOX:Image_TitlecharnullableinstidIdentifier of the originating instrumentINST_IDcharnullabledateobsEpoch at midpoint of observationdVOX:Image_MJDateObsdoublenullablenaxesNumber of axes in dataVOX:Image_NaxesintnullablepixelsizeNumber of pixels along each of the axespixVOX:Image_NaxisintnullablepixelscaleThe pixel scale on each image axisdeg/pixVOX:Image_ScalefloatnullablerefframeCoordinate system reference frameVOX:STC_CoordRefFramecharnullablewcs_equinoxEquinox of the given coordinatesyrVOX:STC_CoordEquinoxfloatnullablewcs_projectionFITS WCS projection typeVOX:WCS_CoordProjectioncharnullablewcs_refpixelWCS reference pixelpixVOX:WCS_CoordRefPixelfloatnullablewcs_refvaluesWorld coordinates at WCS reference pixeldegVOX:WCS_CoordRefValuedoublenullablewcs_cdmatrixFITS WCS CDij matrixdeg/pixVOX:WCS_CDMatrixfloatnullablebandpassidFreeform name of the bandpass usedVOX:BandPass_IDcharnullablebandpassunitUnit of bandpass specifications (always m).VOX:BandPass_UnitcharnullablebandpassrefvalCharacteristic quantity for the bandpass of the imagemVOX:BandPass_RefValuefloatnullablebandpasshiUpper limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_HiLimitfloatnullablebandpassloLower limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_LoLimitfloatnullablepixflagsFlags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display onlyVOX:Image_PixFlagscharnullablecoverageField covered by the imagedegcharindexednullableexposurestime.duration;obs.exposurefloatnullabletelescopeTelescope used for the observationmeta.id;instr.telcharnullableimg_typeType of observation (SCIENCE, FLAT, or BIAS)meta.code.classcharnullable
dk154_reduced_jan18DK154 Chile telescopeObservations captured by ASU CAS facility by DK154 telescopedk154_reduced_jan18.reduced_imagesObservations captured by ASU CAS facility by DK154 telescopeaccrefinternal file referencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedAccess.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizeAccess.SizelongnullablecenteralphaApproximate center of image, RAdegPOS_EQ_RA_MAINdoublenullablecenterdeltaApproximate center of image, DecdegPOS_EQ_DEC_MAINdoublenullableimagetitleSynthetic name of the imageVOX:Image_TitlecharnullableinstidIdentifier of the originating instrumentINST_IDcharnullabledateobsEpoch at midpoint of observationdVOX:Image_MJDateObsdoublenullablenaxesNumber of axes in dataVOX:Image_NaxesintnullablepixelsizeNumber of pixels along each of the axespixVOX:Image_NaxisintnullablepixelscaleThe pixel scale on each image axisdeg/pixVOX:Image_ScalefloatnullablerefframeCoordinate system reference frameVOX:STC_CoordRefFramecharnullablewcs_equinoxEquinox of the given coordinatesyrVOX:STC_CoordEquinoxfloatnullablewcs_projectionFITS WCS projection typeVOX:WCS_CoordProjectioncharnullablewcs_refpixelWCS reference pixelpixVOX:WCS_CoordRefPixelfloatnullablewcs_refvaluesWorld coordinates at WCS reference pixeldegVOX:WCS_CoordRefValuedoublenullablewcs_cdmatrixFITS WCS CDij matrixdeg/pixVOX:WCS_CDMatrixfloatnullablebandpassidFreeform name of the bandpass usedVOX:BandPass_IDcharnullablebandpassunitUnit of bandpass specifications (always m).VOX:BandPass_UnitcharnullablebandpassrefvalCharacteristic quantity for the bandpass of the imagemVOX:BandPass_RefValuefloatnullablebandpasshiUpper limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_HiLimitfloatnullablebandpassloLower limit of the bandpass (in BandPass_Unit units)mVOX:BandPass_LoLimitfloatnullablepixflagsFlags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display onlyVOX:Image_PixFlagscharnullablecoverageField covered by the imagedegcharindexednullableexposurestime.duration;obs.exposurefloatnullabletelescopeTelescope used for the observationmeta.id;instr.telcharnullableimg_typeType of observation (SCIENCE, FLAT, or BIAS)meta.code.classcharnullable
herosOndrejov H Spectraheros.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullablessa_fluxcalibType of flux calibrationSpectrum.Char.FluxAxis.Calibrationcharnullable
ivoaDefinition and support code for the ObsCore data model and table.ivoa.obscoreThe IVOA-defined obscore table, containing generic metadata for
datasets within this datacenter.dataproduct_typeHigh level scientific classification of the data product, taken from an enumerationmeta.idobscore:obs.dataproducttypecharnullabledataproduct_subtypeData product specific typemeta.idobscore:obs.dataproductsubtypecharnullablecalib_levelAmount of data processing that has been applied to the datameta.code;obs.calibobscore:obs.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.url;meta.curationobscore:curation.publisherdidcharnullableobs_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.c1doublenullables_decDec of (center of) observation, ICRSdegpos.eq.decobscore:char.spatialaxis.coverage.location.coord.position2d.value2.c2doublenullables_fovApproximate spatial extent for the region covered by the observationdegphys.angSize;instr.fovobscore:char.spatialaxis.coverage.bounds.extent.diameterdoublenullables_regionRegion covered by the observation, as a polygonphys.angArea;obsobscore:char.spatialaxis.coverage.support.areacharnullables_resolutionBest spatial resolution within the data setarcsecpos.angResolutionobscore:Char.SpatialAxis.Resolution.refvaldoublenullablet_minLower bound of times represented in the data set, as MJDdtime.start;obs.exposureobscore:char.timeaxis.coverage.bounds.limits.interval.starttimedoublenullablet_maxUpper bound of times represented in the data set, as MJDdtime.end;obs.exposureobscore:char.timeaxis.coverage.bounds.limits.interval.stoptimedoublenullablet_exptimeTotal exporure timestime.duration;obs.exposureobscore:char.timeaxis.coverage.support.extentfloatnullablet_resolutionMinimal significant time interval along the time axisstime.resolutionobscore:char.timeaxis.resolution.refvalfloatnullableem_minMinimal wavelength represented within the data setmem.wl;stat.minobscore:char.spectralaxis.coverage.bounds.limits.interval.lolimdoublenullableem_maxMaximal wavelength represented within the data setmem.wl;stat.maxobscore:char.spectralaxis.coverage.bounds.limits.interval.hilimdoublenullableem_res_powerSpectral resolving power delta lambda/lamdaspect.resolutionobscore:char.spectralaxis.resolution.resolpower.refvaldoublenullableo_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.numBins1longnullables_xel2Number of elements (typically pixels) along the second spatial axis.meta.numberobscore:Char.SpatialAxis.numBins1longnullablet_xelNumber of elements (typically pixels) along the time axis.meta.numberobscore:Char.TimeAxis.numBinslongnullableem_xelNumber of elements (typically pixels) along the spectral axis.meta.numberobscore:Char.SpectralAxis.numBinslongnullablepol_xelNumber of elements (typically pixels) along the polarization axis.meta.numberobscore:Char.SpectralAxis.numBinslongnullables_pixel_scaleSampling period in world coordinate units along the spatial axisarcsecphys.angSize;instr.pixelobscore:Char.SpatialAxis.Sampling.RefVal.SamplingPerioddoublenullableem_ucdNature of the product's spectral axismeta.ucdobscore:Char.SpectralAxis.ucdcharnullable
lamostLAMOST PILOT survey spectralamost.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectdegpos.eq.ra;meta.maindoublenullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoublenullablessa_targsubclassObject subclasscharnullable
lamost_dr1LAMOST DR1 survey spectralamost_dr1.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectdegpos.eq.ra;meta.maindoublenullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoublenullablessa_targsubclassObject subclasscharnullable
lamost_dr2LAMOST DR2 survey spectralamost_dr2.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectdegpos.eq.ra;meta.maindoublenullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoublenullablessa_targsubclassObject subclasscharnullable
lamost_dr3LAMOST DR3 survey spectralamost_dr3.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectdegpos.eq.ra;meta.maindoublenullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoublenullablessa_targsubclassObject subclasscharnullable
lamost_dr5LAMOST DR5 survey spectralamost_dr5.dataaccrefAccess key for the datameta.ref.url;meta.datasetssa:Access.ReferencecharnullableownerOwner of the datacharnullableembargoDate the data will become/became publicacharnullablemimeMIME type of the file servedssa:Access.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizessa:Access.Sizelongnullablessa_dstitleTitle or the dataset (usually, spectrum)meta.title;meta.datasetssa:DataID.Titlecharssa_creatordidDataset identifier assigned by the creatormeta.idssa:DataID.CreatorDIDcharindexednullablessa_pubdidDataset identifier assigned by the publisherssa:Curation.PublisherDIDcharindexednullablessa_cdateProcessing/Creation datetime;meta.datasetssa:DataID.Datecharnullablessa_pdateDate last published.ssa:Curation.Datecharnullablessa_bandpassBandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here.instr.bandpassssa:DataID.Bandpasscharnullablessa_cversionCreator assigned version for this dataset (will be incremented when this particular item is changed).meta.version;meta.datasetssa:DataID.Versioncharnullablessa_targnameCommon name of object observed.meta.id;srcssa:Target.Namecharindexedssa_targclassObject class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)src.classssa:Target.Classcharnullablessa_redshiftRedshift of target objectsrc.redshiftssa:Target.Redshiftfloatnullablessa_targetposEquatorial (ICRS) position of the target object.pos.eq;srcssa:Target.pos.spointcharindexednullablessa_snrSignal-to-noise ratio estimated for this datasetstat.snrssa:Derived.SNRfloatnullablessa_locationICRS location of aperture centerdegpos.eqstc:AstroCoords.Position2D.Value2charindexednullablessa_apertureAngular diameter of aperturedeginstr.fovssa:Char.SpatialAxis.Coverage.Bounds.Extentfloatnullablessa_dateobsMidpoint of exposuredtime.epochssa:Char.TimeAxis.Coverage.Location.Valuedoublenullablessa_timeextExposure durationstime.durationssa:Char.TimeAxis.Coverage.Bounds.Extentfloatnullablessa_specmidMidpoint of region covered in this datasetmem.wl;instr.bandpassssa:Char.SpectralAxis.Coverage.Location.Valuefloatnullablessa_specextWidth of the spectrummem.wl;instr.bandwidthssa:Char.SpectralAxis.Coverage.Bounds.Extentfloatnullablessa_specstartLower value of spectral coordinatemem.wl;stat.minssa:Char.SpectralAxis.Coverage.Bounds.Startfloatnullablessa_specendUpper value of spectral coordinatemem.wl;stat.maxssa:Char.SpectralAxis.Coverage.Bounds.Stopfloatnullablessa_lengthNumber of points in the spectrumssa:Dataset.Lengthintnullableraj2000Observed RA of the objectdegpos.eq.ra;meta.maindoublenullabledej2000Main value of declinationdegpos.eq.dec;meta.maindoublenullablessa_targsubclassObject subclasscharnullable
tap_schema AIASCR VO Services's Table Access Protocol (TAP) service with
table metadata.tap_schema.schemasSchemas containing tables available for ADQL querying.schema_nameFully qualified schema namecharindexedprimarydescriptionBrief description of the schemacharnullableutypeutype if schema corresponds to a data modelcharnullable
tap_schema.tablesTables available for ADQL querying.schema_nameFully qualified schema namecharnullabletable_nameFully qualified table namecharindexedprimarytable_typeOne of: table, viewcharnullabledescriptionBrief description of the tablecharnullableutypeutype if the table corresponds to a data modelcharnullablesourcerdId of the originating rd (local information)charnullable
tap_schema.columnsColumns in tables available for ADQL querying.table_nameFully qualified table namecharindexedprimarycolumn_nameColumn namecharindexedprimarydescriptionBrief description of columnunicodeCharnullableunitUnit in VO standard formatcharnullableucdUCD of column if anycharnullableutypeUtype of column if anycharnullabledatatypeADQL datatypecharnullable"size"Length of variable length datatypesintnullableprincipalIs column principal?intindexedIs there an index on this column?intstdIs this a standard column?intsourcerdId of the originating rd (local information)charnullablecolumn_index1-based index of the column in database order.shortnullabletap_schema.tablestable_nametable_name
tap_schema.keysForeign key relationships between tables available for ADQL querying.key_idUnique key identifiercharindexedprimaryfrom_tableFully qualified table namecharnullabletarget_tableFully qualified table namecharnullabledescriptionDescription of this keycharnullableutypeUtype of this keycharnullablesourcerdId of the originating rd (local information)charnullable
tap_schema.groupsColumns that are part of groups within tables available for ADQL
querying.table_nameFully qualified table namecharnullablecolumn_nameName of a column belonging to the groupcharnullablecolumn_utypeutype the column withing the groupcharnullablegroup_nameName of the groupcharnullablegroup_utypeutype of the groupcharnullablesourcerdId of the originating rd (local information)charnullabletap_schema.tablestable_nametable_name
tap_schema.key_columnsColumns participating in foreign key relationships between tables
available for ADQL querying.key_idKey identifier from TAP_SCHEMA.keyscharnullablefrom_columnKey column name in the from tablecharnullabletarget_columnKey column in the target tablecharnullablesourcerdId of the originating rd (local information)charnullable