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ucd-list.txt
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ucd-list.txt
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#PEN-UCDlist-v1.6-2024-11-16
Q | arith | Arithmetic quantities
S | arith.diff | Difference between two quantities described by the same UCD
P | arith.factor | Numerical factor
P | arith.grad | Gradient
P | arith.rate | Rate (per time unit)
S | arith.ratio | Ratio between two quantities described by the same UCD
S | arith.squared | Squared quantity
S | arith.sum | Summed or integrated quantity
S | arith.variation | Generic variation of a quantity
Q | arith.zp | Zero point
S | em | Electromagnetic spectrum
S | em.IR | Infrared part of the spectrum
S | em.IR.J | Infrared between 1.0 and 1.5 micron
S | em.IR.H | Infrared between 1.5 and 2 micron
S | em.IR.K | Infrared between 2 and 3 micron
S | em.IR.3-4um | Infrared between 3 and 4 micron
S | em.IR.4-8um | Infrared between 4 and 8 micron
S | em.IR.8-15um | Infrared between 8 and 15 micron
S | em.IR.15-30um | Infrared between 15 and 30 micron
S | em.IR.30-60um | Infrared between 30 and 60 micron
S | em.IR.60-100um | Infrared between 60 and 100 micron
S | em.IR.NIR | Near-Infrared, 1-5 microns
S | em.IR.MIR | Medium-Infrared, 5-30 microns
S | em.IR.FIR | Far-Infrared, 30-100 microns
S | em.UV | Ultraviolet part of the spectrum
S | em.UV.10-50nm | Ultraviolet between 10 and 50 nm EUV extreme UV
S | em.UV.50-100nm | Ultraviolet between 50 and 100 nm
S | em.UV.100-200nm | Ultraviolet between 100 and 200 nm FUV Far UV
S | em.UV.200-300nm | Ultraviolet between 200 and 300 nm NUV near UV
S | em.X-ray | X-ray part of the spectrum
S | em.X-ray.soft | Soft X-ray (0.12 - 2 keV)
S | em.X-ray.medium | Medium X-ray (2 - 12 keV)
S | em.X-ray.hard | Hard X-ray (12 - 120 keV)
Q | em.bin | Channel / instrumental spectral bin coordinate (bin number)
Q | em.energy | Energy value in the em frame
Q | em.freq | Frequency value in the em frame
Q | em.freq.cutoff | cutoff frequency
Q | em.freq.resonance | resonance frequency
S | em.gamma | Gamma rays part of the spectrum
S | em.gamma.soft | Soft gamma ray (120 - 500 keV)
S | em.gamma.hard | Hard gamma ray (>500 keV)
S | em.line | Designation of major atomic lines
S | em.line.HI | 21cm hydrogen line
S | em.line.Lyalpha | H-Lyalpha line
S | em.line.Halpha | H-alpha line
S | em.line.Hbeta | H-beta line
S | em.line.Hgamma | H-gamma line
S | em.line.Hdelta | H-delta line
S | em.line.Brgamma | Bracket gamma line
S | em.line.OIII | [OIII] line whose rest wl is 500.7 nm
S | em.line.CO | CO radio line, e.g., 12CO(1-0) at 115GHz
S | em.mm | Millimetric/submillimetric part of the spectrum
S | em.mm.30-50GHz | Millimetric between 30 and 50 GHz
S | em.mm.50-100GHz | Millimetric between 50 and 100 GHz
S | em.mm.100-200GHz | Millimetric between 100 and 200 GHz
S | em.mm.200-400GHz | Millimetric between 200 and 400 GHz
S | em.mm.400-750GHz | Millimetric between 400 and 750 GHz
S | em.mm.750-1500GHz | Millimetric between 750 and 1500 GHz
S | em.mm.1500-3000GHz | Millimetric between 1500 and 3000 GHz
S | em.opt | Optical part of the spectrum
S | em.opt.U | Optical band between 300 and 400 nm
S | em.opt.B | Optical band between 400 and 500 nm
S | em.opt.V | Optical band between 500 and 600 nm
S | em.opt.R | Optical band between 600 and 750 nm
S | em.opt.I | Optical band between 750 and 1000 nm
S | em.pw | Plasma waves (trapped in local medium)
S | em.radio | Radio part of the spectrum
S | em.radio.20MHz | Radio below 20 MHz
S | em.radio.20-100MHz | Radio between 20 and 100 MHz
S | em.radio.100-200MHz | Radio between 100 and 200 MHz
S | em.radio.200-400MHz | Radio between 200 and 400 MHz
S | em.radio.400-750MHz | Radio between 400 and 750 MHz
S | em.radio.750-1500MHz | Radio between 750 and 1500 MHz
S | em.radio.1500-3000MHz | Radio between 1500 and 3000 MHz
S | em.radio.3-6GHz | Radio between 3 and 6 GHz
S | em.radio.6-12GHz | Radio between 6 and 12 GHz
S | em.radio.12-30GHz | Radio between 12 and 30 GHz
Q | em.wavenumber | Wavenumber value in the em frame
Q | em.wl | Wavelength value in the em frame
Q | em.wl.central | Central wavelength
Q | em.wl.effective | Effective wavelength
Q | instr | Instrument
E | instr.background | Instrumental background
Q | instr.bandpass | Bandpass (e.g.: band name) of instrument
Q | instr.bandwidth | Bandwidth of the instrument
Q | instr.baseline | Baseline for interferometry
S | instr.beam | Beam
Q | instr.calib | Calibration parameter
S | instr.det | Detector
Q | instr.det.noise | Instrument noise
Q | instr.det.psf | Point Spread Function
Q | instr.det.qe | Quantum efficiency
Q | instr.dispersion | Dispersion of a spectrograph
Q | instr.experiment | Experiment or group of instruments
S | instr.filter | Filter
S | instr.fov | Related to the field of view
S | instr.obsty | Observatory, satellite, mission
Q | instr.obsty.seeing | Seeing
Q | instr.offset | Offset angle with respect to main direction of observation
Q | instr.order | Spectral order in a spectrograph
Q | instr.param | Various instrumental parameters
S | instr.pixel | Pixel (default size: angular)
S | instr.plate | Photographic plate
Q | instr.plate.emulsion | Plate emulsion
Q | instr.precision | Instrument precision
Q | instr.rmsf | Rotation Measure Spread Function
Q | instr.saturation | Instrument saturation threshold
Q | instr.scale | Instrument scale (for CCD, plate, image)
Q | instr.sensitivity | Instrument sensitivity, detection threshold
Q | instr.setup | Instrument configuration or setup
Q | instr.skyLevel | Sky level
Q | instr.skyTemp | Sky temperature
Q | instr.tel | Telescope
Q | instr.tel.focalLength | Telescope focal length
S | instr.voxel | Related to a voxel (n-D volume element with n>2)
P | meta | Metadata
P | meta.abstract | Abstract (of paper, proposal, etc.)
P | meta.bib | Bibliographic reference
P | meta.bib.author | Author name
P | meta.bib.bibcode | Bibcode
P | meta.bib.fig | Figure in a paper
P | meta.bib.journal | Journal name
P | meta.bib.page | Page number
P | meta.bib.volume | Volume number
Q | meta.calibLevel | Processing/calibration level
Q | meta.checksum | Numerical signature of digital data
P | meta.code | Code or flag
P | meta.code.class | Classification code
P | meta.code.error | Limit uncertainty error flag
P | meta.code.member | Membership code
P | meta.code.mime | MIME type
P | meta.code.multip | Multiplicity or binarity flag
P | meta.code.qual | Quality, precision, reliability flag or code
P | meta.code.status | Status code (e.g.: status of a proposal/observation)
Q | meta.coverage | A coverage (spatial, temporal, spectral, etc) with any combination of physical axes (such as moc, tmoc, stmoc)
P | meta.cryptic | Unknown or impossible to understand quantity
Q | meta.curation | Parameter informing about the curation of the data
Q | meta.dataset | Dataset
Q | meta.email | Contact e-mail
S | meta.file | File
S | meta.fits | FITS standard
P | meta.id | Identifier, name or designation
P | meta.id.assoc | Identifier of associated counterpart
P | meta.id.CoI | Name of Co-Investigator
P | meta.id.cross | Cross identification
P | meta.id.parent | Identification of parent source
P | meta.id.part | Part of identifier, suffix or sub-component
P | meta.id.PI | Name of Principal Investigator or Co-PI
S | meta.main | Main value of something
S | meta.modelled | Quantity was produced by a model
P | meta.note | Note or remark (longer than a code or flag)
P | meta.number | Number (of things; e.g. nb of object in an image)
S | meta.preview | Related to a preview operation for a dataset
Q | meta.query | A query posed to an information system or database or a property of it
P | meta.record | Record number
P | meta.ref | Reference or origin
P | meta.ref.doi | DOI identifier (dereferenceable)
P | meta.ref.epic | ePIC identifier (dereferenceable)
Q | meta.ref.ivoid | Identifier as recommended in the IVOA (dereferenceable)
P | meta.ref.orcid | ORCID identifier for people working in research (dereferenceable)
P | meta.ref.pid | Generic Persistent Identifier (dereferenceable)
P | meta.ref.rorid | ROR unique and persistent identifier for research organizations
P | meta.ref.uri | URI, universal resource identifier
P | meta.ref.url | URL, web address
S | meta.software | Software used in generating data
S | meta.table | Table or catalogue
P | meta.title | Title or explanation
Q | meta.ucd | UCD
P | meta.unit | Unit
P | meta.version | Version
S | obs | Observation
Q | obs.airMass | Airmass
S | obs.atmos | Atmosphere, atmospheric phenomena affecting an observation
Q | obs.atmos.extinction | Atmospheric extinction
Q | obs.atmos.humidity | Amount of air humidity at observing site during an observation
Q | obs.atmos.rain | Amount of rain at the telescope site during an observation
Q | obs.atmos.refractAngle | Atmospheric refraction angle
S | obs.atmos.turbulence | Related to atmospheric turbulence at the telescope site
P | obs.atmos.turbulence.isoplanatic | Isoplanatic angle characterising the atmospheric turbulence at telescope site
Q | obs.atmos.water | Amount of atmospheric water at observing site
S | obs.atmos.wind | Related to atmospheric wind at observing site
S | obs.calib | Calibration observation
S | obs.calib.flat | Related to flat-field calibration observation (dome, sky, ..)
S | obs.calib.dark | Related to dark current calibration
S | obs.exposure | Exposure
S | obs.field | Region covered by the observation
S | obs.image | Image
Q | obs.observer | Observer, discoverer
S | obs.occult | Observation of occultation phenomenon by solar system objects
S | obs.transit | Observation of transit phenomenon : exo-planets
Q | obs.param | Various observation or reduction parameter
S | obs.proposal | Observation proposal
Q | obs.proposal.cycle | Proposal cycle
S | obs.sequence | Sequence of observations, exposures or events
E | phot | Photometry
E | phot.antennaTemp | Antenna temperature
Q | phot.calib | Photometric calibration
C | phot.color | Color index or magnitude difference
Q | phot.color.excess | Color excess
Q | phot.color.reddFree | Dereddened color
E | phot.count | Flux expressed in counts
E | phot.fluence | Radiant photon energy received by a surface per unit area or irradiance of a surface integrated over time of irradiation
E | phot.flux | Photon flux or irradiance
Q | phot.flux.bol | Bolometric flux
E | phot.flux.density | Flux density (per wl/freq/energy interval)
E | phot.flux.density.sb | Flux density surface brightness
E | phot.flux.sb | Flux surface brightness
E | phot.limbDark | Limb-darkening coefficients
E | phot.mag | Photometric magnitude
E | phot.mag.bc | Bolometric correction
Q | phot.mag.bol | Bolometric magnitude
Q | phot.mag.distMod | Distance modulus
E | phot.mag.reddFree | Dereddened magnitude
E | phot.mag.sb | Surface brightness in magnitude units
E | phot.radiance | Radiance as energy flux per solid angle
Q | phys | Physical quantities
Q | phys.SFR | Star formation rate
E | phys.absorption | Extinction or absorption along the line of sight
Q | phys.absorption.coeff | Absorption coefficient (e.g. in a spectral line)
Q | phys.absorption.gal | Galactic extinction
Q | phys.absorption.opticalDepth | Optical depth
Q | phys.abund | Abundance
Q | phys.abund.Fe | Fe/H abundance
Q | phys.abund.X | Hydrogen abundance
Q | phys.abund.Y | Helium abundance
Q | phys.abund.Z | Metallicity abundance
Q | phys.acceleration | Acceleration
S | phys.aerosol | Relative to aerosol
Q | phys.albedo | Albedo or reflectance
Q | phys.angArea | Angular area
Q | phys.angMomentum | Angular momentum
E | phys.angSize | Angular size width diameter dimension extension major minor axis extraction radius
E | phys.angSize.smajAxis | Angular size extent or extension of semi-major axis
E | phys.angSize.sminAxis | Angular size extent or extension of semi-minor axis
Q | phys.area | Area (in surface, not angular units)
S | phys.atmol | Atomic and molecular physics (shared properties)
Q | phys.atmol.branchingRatio | Branching ratio
S | phys.atmol.collisional | Related to collisions
Q | phys.atmol.collStrength | Collisional strength
Q | phys.atmol.configuration | Configuration
Q | phys.atmol.crossSection | Atomic / molecular cross-section
Q | phys.atmol.element | Element
Q | phys.atmol.excitation | Atomic molecular excitation parameter
Q | phys.atmol.final | Quantity refers to atomic/molecular final/ground state, level, etc.
Q | phys.atmol.initial | Quantity refers to atomic/molecular initial state, level, etc.
Q | phys.atmol.ionStage | Ion, ionization stage
S | phys.atmol.ionization | Related to ionization
Q | phys.atmol.lande | Lande factor
S | phys.atmol.level | Atomic level
Q | phys.atmol.lifetime | Lifetime of a level
Q | phys.atmol.lineShift | Line shifting coefficient
Q | phys.atmol.number | Atomic number Z
Q | phys.atmol.oscStrength | Oscillator strength
Q | phys.atmol.parity | Parity
Q | phys.atmol.qn | Quantum number
Q | phys.atmol.radiationType | Type of radiation characterizing atomic lines (electric dipole/quadrupole, magnetic dipole)
Q | phys.atmol.symmetry | Type of nuclear spin symmetry
Q | phys.atmol.sWeight | Statistical weight
Q | phys.atmol.sWeight.nuclear | Statistical weight for nuclear spin states
Q | phys.atmol.term | Atomic term
S | phys.atmol.transition | Transition between states
Q | phys.atmol.transProb | Transition probability, Einstein A coefficient
Q | phys.atmol.wOscStrength | Weighted oscillator strength
Q | phys.atmol.weight | Atomic weight
Q | phys.columnDensity | Column density
S | phys.composition | Quantities related to composition of objects
Q | phys.composition.massLightRatio | Mass to light ratio
Q | phys.composition.yield | Mass yield
S | phys.cosmology | Related to cosmology
Q | phys.current | Electric current
Q | phys.current.density | Electric current density
Q | phys.damping | Generic damping quantities
Q | phys.density | Density (of mass, electron, ...)
Q | phys.density.phaseSpace | Density in the phase space
Q | phys.dielectric | Complex dielectric function
Q | phys.dispMeasure | Dispersion measure
S | phys.dust | Relative to dust
Q | phys.electCharge | Electric charge
V | phys.electField | Electric field
S | phys.electron | Electron
Q | phys.electron.degen | Electron degeneracy parameter
Q | phys.emissMeasure | Emission measure
Q | phys.emissivity | Emissivity
Q | phys.energy | Energy
Q | phys.energy.Gibbs | Gibbs (free) energy or free enthalpy [ G=H-TS ]
Q | phys.energy.Helmholtz | Helmholtz free energy [ A=U-TS ]
Q | phys.energy.density | Energy density
Q | phys.enthalpy | Enthalpy [ H=U+pv ]
Q | phys.entropy | Entropy
Q | phys.eos | Equation of state
Q | phys.excitParam | Excitation parameter U
E | phys.fluence | Particle energy received by a surface per unit area and integrated over time
Q | phys.flux | Flux or flow of particle, energy, etc.
Q | phys.flux.energy | Energy flux, heat flux
Q | phys.gauntFactor | Gaunt factor/correction
Q | phys.gravity | Gravity
Q | phys.inspiralSpin | Effective inspiral spin in binary mergers (used in GW detections)
Q | phys.ionizParam | Ionization parameter
Q | phys.ionizParam.coll | Collisional ionization
Q | phys.ionizParam.rad | Radiative ionization
E | phys.luminosity | Luminosity
Q | phys.luminosity.fun | Luminosity function
E | phys.magAbs | Absolute magnitude
Q | phys.magAbs.bol | Bolometric absolute magnitude
V | phys.magField | Magnetic field
Q | phys.mass | Mass
Q | phys.mass.inertiaMomentum | Momentum of inertia or rotational inertia
Q | phys.mass.loss | Mass loss
Q | phys.mol | Molecular data
Q | phys.mol.dipole | Molecular dipole
Q | phys.mol.dipole.electric | Molecular electric dipole moment
Q | phys.mol.dipole.magnetic | Molecular magnetic dipole moment
Q | phys.mol.dissociation | Molecular dissociation
Q | phys.mol.formationHeat | Formation heat for molecules
Q | phys.mol.quadrupole | Molecular quadrupole
Q | phys.mol.quadrupole.electric | Molecular electric quadrupole moment
S | phys.mol.rotation | Molecular rotation
S | phys.mol.vibration | Molecular vibration
S | phys.particle | Related to physical particles
S | phys.particle.neutrino | Related to neutrino
S | phys.particle.neutron | Related to neutron
S | phys.particle.proton | Related to proton
S | phys.particle.alpha | Related to alpha particle
S | phys.phaseSpace | Related to phase space
E | phys.polarization | Polarization degree (or percentage)
Q | phys.polarization.circular | Circular polarization
Q | phys.polarization.coherency | Matrix of the correlation between components of an electromagnetic wave
Q | phys.polarization.linear | Linear polarization
Q | phys.polarization.rotMeasure | Rotation measure polarization
Q | phys.polarization.stokes | Stokes polarization
Q | phys.polarization.stokes.I | Stokes polarization coefficient I
Q | phys.polarization.stokes.Q | Stokes polarization coefficient Q
Q | phys.polarization.stokes.U | Stokes polarization coefficient U
Q | phys.polarization.stokes.V | Stokes polarization coefficient V
Q | phys.potential | Potential (electric, gravitational, etc.)
Q | phys.pressure | Pressure
Q | phys.recombination.coeff | Recombination coefficient
Q | phys.reflectance | Radiance factor (received radiance divided by input radiance)
Q | phys.reflectance.bidirectional | Bidirectional reflectance
Q | phys.reflectance.bidirectional.df | Bidirectional reflectance distribution function
Q | phys.reflectance.factor | Reflectance normalized per direction cosine of incidence angle
Q | phys.refractIndex | Refraction index
Q | phys.size | Linear size, length (not angular) in length units or bytes
Q | phys.size.axisRatio | Axis ratio (a/b) or (b/a)
Q | phys.size.diameter | Diameter
Q | phys.size.radius | Radius
Q | phys.size.smajAxis | Linear semi major axis
Q | phys.size.sminAxis | Linear semi minor axis
Q | phys.size.smedAxis | Linear semi median axis for 3D ellipsoids
Q | phys.temperature | Temperature
Q | phys.temperature.dew | Dew temperature measured at the telescope site during an observation
Q | phys.temperature.effective | Effective temperature
Q | phys.temperature.electron | Electron temperature
Q | phys.transmission | Transmission (of filter, instrument, ...)
V | phys.veloc | Space velocity
Q | phys.veloc.ang | Angular velocity
Q | phys.veloc.dispersion | Velocity dispersion
Q | phys.veloc.escape | Escape velocity
Q | phys.veloc.expansion | Expansion velocity
Q | phys.veloc.microTurb | Microturbulence velocity
Q | phys.veloc.orbital | Orbital velocity
Q | phys.veloc.pulsat | Pulsational velocity
Q | phys.veloc.rotat | Rotational velocity
Q | phys.veloc.transverse | Transverse / tangential velocity
S | phys.virial | Related to virial quantities (mass, radius, ...)
Q | phys.volume | Volume (in cubic units)
Q | phys.voltage | Electric potential difference over a distance or measured by an instrument
Q | pos | Position and coordinates
Q | pos.angDistance | Angular distance, elongation
Q | pos.angResolution | Angular resolution
Q | pos.az | Position in alt-azimuthal frame
Q | pos.az.alt | Alt-azimuthal altitude
Q | pos.az.azi | Alt-azimuthal azimuth
Q | pos.az.zd | Alt-azimuthal zenith distance
Q | pos.azimuth | Azimuthal angle in a generic reference plane
S | pos.barycenter | Barycenter
S | pos.bodycentric | Body-centric related coordinate
S | pos.bodygraphic | Body-graphic related coordinate
S | pos.bodyrc | Body related coordinates
Q | pos.bodyrc.alt | Body related coordinate (altitude on the body)
Q | pos.bodyrc.lat | Body related coordinate (latitude on the body)
Q | pos.bodyrc.lon | Body related coordinate (longitude on the body)
S | pos.cartesian | Cartesian (rectangular) coordinates
Q | pos.cartesian.x | Cartesian coordinate along the x-axis
Q | pos.cartesian.y | Cartesian coordinate along the y-axis
Q | pos.cartesian.z | Cartesian coordinate along the z-axis
S | pos.centroid | Related to centroid position
S | pos.cmb | Cosmic Microwave Background reference frame
S | pos.cylindrical | Related to cylindrical coordinates
Q | pos.cylindrical.azi | Azimuthal angle around z-axis (cylindrical coordinates)
Q | pos.cylindrical.r | Radial distance from z-axis (cylindrical coordinates)
Q | pos.cylindrical.z | Height or altitude from reference plane (cylindrical coordinates)
Q | pos.dirCos | Direction cosine
V | pos.distance | Linear distance
S | pos.earth | Coordinates related to Earth
Q | pos.earth.altitude | Altitude, height on Earth above sea level
Q | pos.earth.lat | Latitude on Earth
Q | pos.earth.lon | Longitude on Earth
S | pos.ecliptic | Ecliptic coordinates
Q | pos.ecliptic.lat | Ecliptic latitude
Q | pos.ecliptic.lon | Ecliptic longitude
Q | pos.emergenceAng | Emergence angle of optical ray on an interface
S | pos.eop | Earth orientation parameters
Q | pos.ephem | Ephemeris
Q | pos.eq | Equatorial coordinates
Q | pos.eq.dec | Declination in equatorial coordinates
Q | pos.eq.ha | Hour-angle
Q | pos.eq.ra | Right ascension in equatorial coordinates
Q | pos.eq.spd | South polar distance in equatorial coordinates
S | pos.errorEllipse | Positional error ellipse
Q | pos.frame | Reference frame used for positions
S | pos.galactic | Galactic coordinates
Q | pos.galactic.lat | Latitude in galactic coordinates
Q | pos.galactic.lon | Longitude in galactic coordinates
S | pos.galactocentric | Galactocentric coordinate system
S | pos.geocentric | Geocentric coordinate system
Q | pos.healpix | Hierarchical Equal Area IsoLatitude Pixelization
S | pos.heliocentric | Heliocentric position coordinate (solar system bodies)
Q | pos.HTM | Hierarchical Triangular Mesh
Q | pos.incidenceAng | Incidence angle of optical ray on an interface
S | pos.lg | Local Group reference frame
S | pos.lsr | Local Standard of Rest reference frame
Q | pos.lunar | Lunar coordinates
Q | pos.lunar.occult | Occultation by lunar limb
Q | pos.nutation | Nutation (of a body)
Q | pos.outline | Set of points outlining a region (contour)
Q | pos.parallax | Parallax
Q | pos.parallax.dyn | Dynamical parallax
Q | pos.parallax.phot | Photometric parallaxes
Q | pos.parallax.spect | Spectroscopic parallax
Q | pos.parallax.trig | Trigonometric parallax
Q | pos.phaseAng | Phase angle, e.g. elongation of earth from sun as seen from a third celestial object
V | pos.pm | Proper motion
Q | pos.posAng | Position angle of a given vector
V | pos.precess | Precession (in equatorial coordinates)
Q | pos.projection | 2D spatial projection
Q | pos.resolution | Spatial linear resolution (not angular)
S | pos.spherical | Related to spherical coordinates
Q | pos.spherical.azi | Azimuthal angle (spherical coordinates)
Q | pos.spherical.colat | Polar or Colatitude angle (spherical coordinates)
Q | pos.spherical.r | Radial distance or radius (spherical coordinates)
S | pos.supergalactic | Supergalactic coordinates
Q | pos.supergalactic.lat | Latitude in supergalactic coordinates
Q | pos.supergalactic.lon | Longitude in supergalactic coordinates
P | pos.wcs | WCS keywords
P | pos.wcs.cdmatrix | WCS CDMATRIX
P | pos.wcs.crpix | WCS CRPIX
P | pos.wcs.crval | WCS CRVAL
P | pos.wcs.ctype | WCS CTYPE
P | pos.wcs.naxes | WCS NAXES
P | pos.wcs.naxis | WCS NAXIS
P | pos.wcs.scale | WCS scale or scale of an image
Q | spect | Spectroscopy
Q | spect.binSize | Spectral bin size
S | spect.continuum | Continuum spectrum
Q | spect.dopplerParam | Doppler parameter b
E | spect.dopplerVeloc | Radial velocity, derived from the shift of some spectral feature
E | spect.dopplerVeloc.opt | Radial velocity derived from a wavelength shift using the optical convention
E | spect.dopplerVeloc.radio | Radial velocity derived from a frequency shift using the radio convention
E | spect.index | Spectral index
S | spect.line | Spectral line
E | spect.line.asymmetry | Line asymmetry
E | spect.line.broad | Spectral line broadening
Q | spect.line.broad.Stark | Stark line broadening coefficient
E | spect.line.broad.Zeeman | Zeeman broadening
E | spect.line.eqWidth | Line equivalent width
E | spect.line.intensity | Line intensity
E | spect.line.profile | Line profile
Q | spect.line.strength | Spectral line strength S
E | spect.line.width | Spectral line full width half maximum
Q | spect.resolution | Spectral (or velocity) resolution
S | src | Observed source viewed on the sky
S | src.calib | Calibration source
S | src.calib.guideStar | Guide star
Q | src.class | Source classification (star, galaxy, cluster, comet, asteroid )
Q | src.class.color | Color classification
Q | src.class.distance | Distance class e.g. Abell
Q | src.class.luminosity | Luminosity class
Q | src.class.richness | Richness class e.g. Abell
Q | src.class.starGalaxy | Star/galaxy discriminator, stellarity index
Q | src.class.struct | Structure classification e.g. Bautz-Morgan
Q | src.density | Density of sources
Q | src.ellipticity | Source ellipticity
Q | src.impactParam | Impact parameter
Q | src.morph | Morphology structure
Q | src.morph.param | Morphological parameter
Q | src.morph.scLength | Scale length for a galactic component (disc or bulge)
Q | src.morph.type | Hubble morphological type (galaxies)
S | src.net | Qualifier indicating that a quantity (e.g. flux) is background subtracted rather than total
Q | src.orbital | Orbital parameters
Q | src.orbital.eccentricity | Orbit eccentricity
Q | src.orbital.inclination | Orbit inclination
Q | src.orbital.meanAnomaly | Orbit mean anomaly
Q | src.orbital.meanMotion | Mean motion
Q | src.orbital.node | Ascending node
Q | src.orbital.periastron | Periastron
Q | src.orbital.Tisserand | Tisserand parameter (generic)
Q | src.orbital.TissJ | Tisserand parameter with respect to Jupiter
Q | src.redshift | Redshift
Q | src.redshift.phot | Photometric redshift
Q | src.sample | Sample
Q | src.spType | Spectral type MK
Q | src.var | Variability of source
Q | src.var.amplitude | Amplitude of variation
Q | src.var.index | Variability index
Q | src.var.pulse | Pulse
Q | stat | Statistical parameters
Q | stat.asymmetry | Measure of asymmetry
P | stat.confidenceLevel | Level of confidence for a detection or classification process
P | stat.correlation | Correlation between two parameters
P | stat.covariance | Covariance between two parameters
P | stat.error | Statistical error
P | stat.error.sys | Systematic error
Q | stat.falsePositive | Rate of false alarm in detection problems
Q | stat.falseNegative | Rate of missed or false negative detection
Q | stat.filling | Filling factor (volume, time, ...)
Q | stat.fit | Fit
P | stat.fit.chi2 | Chi2
P | stat.fit.dof | Degrees of freedom
P | stat.fit.goodness | Goodness or significance of fit
S | stat.fit.omc | Observed minus computed
Q | stat.fit.param | Parameter of fit
P | stat.fit.residual | Residual fit
Q | stat.Fourier | Fourier coefficient
Q | stat.Fourier.amplitude | Amplitude of Fourier coefficient
S | stat.fwhm | Full width at half maximum
S | stat.interval | Generic interval between two limits (defined as a pair of values)
P | stat.kurtosis | Kurtosis of a probability distribution (Fourth moment)
P | stat.likelihood | Likelihood
P | stat.mad | Median absolute deviation from median value in a univariate data sample
S | stat.max | Maximum or upper limit
S | stat.mean | Mean, average value
S | stat.median | Median value
S | stat.min | Minimum or lowest limit
Q | stat.param | Parameter
Q | stat.percentile | Percentile of a statistical distribution
Q | stat.probability | Probability
P | stat.rank | Rank or order in list of sorted values
P | stat.rms | Root mean square as square root of sum of squared values or quadratic mean
P | stat.skewness | Skewness of a probability distribution (third moment)
P | stat.snr | Signal to noise ratio
Q | stat.stdev | Standard deviation as the square root of the variance
S | stat.uncalib | Qualifier of a generic uncalibrated quantity
Q | stat.value | Miscellaneous value
P | stat.variance | Variance
P | stat.weight | Statistical weight
Q | time | Time, generic quantity in units of time or date
Q | time.age | Age
Q | time.creation | Creation time/date (of dataset, file, catalogue,...)
Q | time.crossing | Crossing time
Q | time.duration | Interval of time describing the duration of a generic event or phenomenon
Q | time.end | End time/date of a generic event
Q | time.epoch | Instant of time related to a generic event (epoch, date, Julian date, time stamp/tag,...)
Q | time.equinox | Equinox
Q | time.interval | Time interval, time-bin, time elapsed between two events, not the duration of an event
Q | time.lifetime | Lifetime
Q | time.period | Period, interval of time between the recurrence of phases in a periodic phenomenon
Q | time.period.pulsation | Period of pulsation or oscillation of a body or a phenomenon
Q | time.period.revolution | Period of revolution of a body around a primary one (similar to year)
Q | time.period.rotation | Period of rotation of a body around its axis (similar to day)
Q | time.phase | Phase, position within a period
Q | time.processing | A time/date associated with the processing of data
Q | time.publiYear | Publication year
Q | time.relax | Relaxation time
Q | time.release | The time/date data is available to the public
Q | time.resolution | Time resolution
Q | time.scale | Timescale
Q | time.start | Start time/date of generic event
# This file distributed under CC-0 by the IVOA