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Astronomy and Astrophysics metadata

Field name Sub-field name Definition Status
Type The nature or genre of the content of the files in the dataset. Optional
Facility The observatory or facility where the data was obtained. Optional
Instrument The instrument used to collect the data. Optional
Object Astronomical Objects represented in the data (Given as SIMBAD recognizable names preferred). Optional
Spatial Resolution The spatial (angular) resolution that is typical of the observations, in decimal degrees. Optional
Spectral Resolution The spectral resolution that is typical of the observations, given as the ratio λ/Δλ. Optional
Time Resolution The temporal resolution that is typical of the observations, given in seconds. Optional
Bandpass Conventional bandpass name Optional
Central Wavelength (m) The central wavelength of the spectral bandpass, in meters. Optional
Wavelength Range The minimum and maximum wavelength of the spectral bandpass.
Wavelength Range Minimum (m) The minimum wavelength of the spectral bandpass, in meters. Optional
Wavelength Range Maximum (m) The maximum wavelength of the spectral bandpass, in meters. Optional
Dataset Date Range Time period covered by the data.
Dataset Date Range Start Dataset Start Date Optional
Dataset Date Range End Dataset End Date Optional
Sky Coverage The sky coverage of the data object. Optional
Depth Coverage The (typical) depth coverage, or sensitivity, of the data object in Jy. Optional
Object Density The (typical) density of objects, catalog entries, telescope pointings, etc., on the sky, in number per square degree. Optional
Object Count The total number of objects, catalog entries, etc., in the data object. Optional
Fraction of Sky The fraction of the sky represented in the observations, ranging from 0 to 1. Optional
Polarization The polarization coverage Optional
Redshift Type RedshiftType string C "Redshift"; or "Optical" or "Radio" definitions of Doppler velocity used in the data object. Optional
Redshift Resolution The resolution in redshift (unitless) or Doppler velocity (km/s) in the data object. Optional
Redshift Value
Redshift Value Minimum The minimum value of the redshift (unitless) or Doppler velocity (km/s) in the data object. Optional
Redshift Value Maximum The maximum value of the redshift (unitless) or Doppler velocity (km/s) in the data object. Optional

Check the original schema from IQSS here.