| accsize -- Size of the data in bytes |
| embargo -- Date the data will become/became public |
| owner -- Owner of the data |
| ssa_aperture -- Angular diameter of aperture |
| ssa_bandpass -- Bandpass (i.e., rough spectral location) of this dataset; this should be the most appropriate term from the vocabulary http://www.ivoa.net/rdf/messenger. |
| ssa_binSize -- Bin size in wavelength |
| ssa_cdate -- Processing/Creation date |
| ssa_collection -- A short handle naming the collection this spectrum belongs to. |
| ssa_creationtype -- Process used to produce the data (archival, cutout, filtered, mosaic, projection, spectralExtraction, or catalogExtraction) |
| ssa_creator -- Creator of the datasets included here. |
| ssa_creatorDID -- Dataset identifier assigned by the creator |
| ssa_csysName -- System RA and Dec are given in |
| ssa_cversion -- Creator assigned version for this dataset (will be incremented when this particular item is changed). |
| ssa_datasource -- Method of generation for the data (one of survey, pointed, theory, custom, artificial). |
| ssa_dstitle -- A compact and descriptive designation of the dataset. |
| ssa_dstype -- Type of data (spectrum, time series, etc) |
| ssa_fluxSI -- Flux/magnitude conversion factor in Osuna-Salgado convention |
| ssa_fluxStatError -- Statistical error in flux |
| ssa_fluxSysError -- Systematic error in flux |
| ssa_fluxcalib -- Type of flux calibration (ABSOLUTE, CALIBRATED, RELATIVE, NORMALIZED, or UNCALIBRATED). |
| ssa_fluxucd -- UCD of the flux column |
| ssa_fluxunit -- Unit of the flux column |
| ssa_instrument -- Instrument or code used to produce these datasets |
| ssa_length -- Number of points in the spectrum |
| ssa_location -- ICRS location of aperture center |
| ssa_model -- Data model name and version |
| ssa_pdate -- Date last published. |
| ssa_pubDID -- Dataset identifier assigned by the publisher |
| ssa_publisher -- Publisher of the datasets included here. |
| ssa_reference -- URL or bibcode of a publication describing this data. |
| ssa_snr -- Signal-to-noise ratio estimated for this dataset |
| ssa_spaceCalib -- Type of calibration in spatial coordinates |
| ssa_spaceError -- Statistical error in position |
| ssa_spaceRes -- Spatial resolution of data |
| ssa_speccalib -- Type of wavelength calibration |
| ssa_specext -- Width of the spectrum |
| ssa_specmid -- Midpoint of region covered in this dataset |
| ssa_specres -- Resolution (in meters of wavelength) on the spectral axis |
| ssa_spectStatError -- Statistical error in wavelength |
| ssa_spectSysError -- Systematic error in wavelength |
| ssa_spectralSI -- Spectral conversion factor in Osuna-Salgado convention |
| ssa_spectralucd -- UCD of the spectral column in the spectra served; when you have wavelengths, use em.wl for vacuum wavelengths, em.wl;obs.atmos for air wavelengths. |
| ssa_spectralunit -- Unit of the spectral column |
| ssa_targclass -- Object class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible) |
| ssa_targetpos -- Equatorial (ICRS) position of the target object. |
| ssa_timeExt -- Exposure duration |
| ssa_timeSI -- Time conversion factor in Osuna-Salgado convention. |
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