Le dico pour le SIA Pointed Archive Image¶

En pieces jointes vous trouverez le dictionnaire pour les SIA Pointed et son template, à rajouter sur le serveur SiTools2.

• Le dictionnaire est à rajouter dans le dossier : data/dictionaries -> avec comme nom : int@X.xml X representant le nombre de fichier - 1 présent dans ce répertoire.
• Le template est à rajouter dans le dossier : data/dictionary_templates -> avec comme nom : int@X.xml X representant le nombre de fichier - 1 présent dans ce répertoire.

Les différentes colonnes du dico.¶

• Title -> Short description of the image
• RA -> ICRS right-ascension of the center of the image
• DEC -> ICRS declination of the center of the image
• NAXES -> Number of image axes
• NAXIS -> Array value giving the length in pixels of each image axis
• Scale -> Array value giving the scale in degrees per pixel of each image axis
• Format -> MIME-type of the object associated with the image acref
• AccessRef -> URL to be used to access or retrieve the image
• InstID -> Instrument or instruments used to make the observation
• JulianDate -> Mean modified Julian date of the observation
• CoordRefFrame -> Coordinate system reference frame, selected from "ICRS", "FK5", "FK4", "ECL", "GAL", and "SGAL"
• CoordEquinox -> Equinox (not required for ICRS) of the coordinate system used for the image world coordinate system (WCS)
• Projection -> Array value being the three-character code ("TAN", "ARC", "SIN", and so forth) specifying the celestial projection, as for FITS WCS
• Crpix -> Array value specifying the image pixel coordinates of the WCS reference pixel
• Crval -> Array value specifying the world coordinates of the WCS reference pixel
• CdMatrix -> Array (matrix) value specifying the WCS CD matrix
• Filter_Name -> Bandpass by name (e.g., "V", "SDSS_U", "K","K-Band", etc.)
• BandPassUnit -> Units used to represent spectral values, selected from "meters", "hertz", and "keV"
• BandPassRef -> Characteristic (reference) frequency, wavelength, or energy for the bandpass model
• BandPassUlimit -> Upper limit of the bandpass
• BandPassLoLimit -> Lower limit of the bandpass
• ImagePixFlag -> Type of processing done by the image service to produce an output image pixel
• ImageAccessRefTTL -> Minimum time to live in seconds of the access reference
• ImageFileSize -> Actual or estimated size of the encoded image in bytes (not pixels!)
• ObservingProgramName -> Name of the Observing Program