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(The bold columns are indexed columns)
Column NameDescriptionDatatype
access_estsizeEstimated size of dataset in kilo bytesINTEGER
access_formatFile content formatCHAR
access_urlURL used to access (download) datasetCHAR
airmassAirmass of observationREAL
assoc_idUnique observation identifierCHAR
calib_levelCalibration level {0, 1, 2, 3, 4}INTEGER
creatorName of the creator of the dataCHAR
datalengthTotal Number of pixelsINTEGER
date_obsDate of observationCHAR
dec1Lower-left Dec (ICRS) position of imageDOUBLE
dec2Lower-right Dec (ICRS) position of imageDOUBLE
dec3Upper-right Dec (ICRS) position of imageDOUBLE
dec4Upper-left Dec (ICRS) position of imageDOUBLE
el_lengthNumber of pixel elementsINTEGER
el_sizePixel element sizeINTEGER
ellipticEstimate of average ellipticityREAL
em_maxStart in spectral coordinatesDOUBLE
em_minStart in spectral coordinatesDOUBLE
em_resSpectral resolutionDOUBLE
expnumExposure numberINTEGER
exptimeExposure timeREAL
filerefArchive file referenceCHAR
filt_strFull filter stringCHAR
filterFilter name (short form)CHAR
fluxaxis_ucdFlux axis UCDCHAR
fluxaxis_unitFlux axis unitsCHAR
fwhmEstimate of average FWHMREAL
haHour angle of observationCHAR
idUnique observation IDCHAR
im_naxesNumber of image axesINTEGER
im_naxis1Length of first image axisINTEGER
im_naxis2Length of second image axisINTEGER
im_scaleImage pixel scaleDOUBLE
instrument_nameName of the instrument used for this observationCHAR
magzeroMagnitude zero pointREAL
mjd_obsMJD of observationCHAR
moonangleAngle between target and moonREAL
objectObject nameCHAR
obs_bandpassObservation bandpassCHAR
obs_collectionData collection to which dataset belongsCHAR
obs_idFree syntax Observation IdentifierCHAR
obs_pub_didDataset identifier given by the publisherCHAR
obstypeObservation type (object, zero, dark, dome flat)CHAR
pixtypepixel typeCHAR
proctypeProcessing typeCHAR
prodtypeProduct type (image, dqmask, expmap, etc)CHAR
project_codeNOAO Proposal IDCHAR
propidProposal IDCHAR
proposerName of proposal PICHAR
ra1Lower-left RA (ICRS) position of imageDOUBLE
ra2Lower-right RA (ICRS) position of imageDOUBLE
ra3Upper-right RA (ICRS) position of imageDOUBLE
ra4Upper-left RA (ICRS) position of imageDOUBLE
s_decCentral Spatial Position in ICRS DeclinationDOUBLE
s_raCentral Spatial Position in ICRS Right ascensionDOUBLE
seeingSeeing estimateREAL
spat_hilimit1End location along spatial axis 1DOUBLE
spat_hilimit2End location along spatial axis 2DOUBLE
spat_lolimit1Start location along spatial axis 1DOUBLE
spat_lolimit2Start location along spatial axis 2DOUBLE
spec_locationCentral location along spectral axisDOUBLE
spec_respowerValue of the resolving power along the spectral axis. (R)DOUBLE
telescopeTelescope used for observationCHAR
time_locationCentral location along time axisCHAR
time_startStart location along time axisDOUBLE
time_stopEnd location along time axisDOUBLE
titleBrief description of dataset in free formatCHAR
wcsaxes1WCS project along axis 1CHAR
wcsaxes2WCS project along axis 2CHAR
zdZenith distance of observationREAL