Proprietary Data Access Management

For more details, please visit the CFHT instrumentation pages.

All instruments

  • o: A RAW CFHT exposure

MegaCam

  • p: Elixir processed observation
  • b: bias
  • f: flat field exposure
  • d: dark
  • x: focus

WIRCam

  • p: `I`iwi processed image
  • s: `I`iwi processed image without sky background subtraction
  • g: time-series data cubes containing image cutouts from the WIRCAM guider boxes
  • w: weight maps
  • m: mask file (a composite of several masks computed for each exposure including the guide-windows)
  • y: sky construct (ie: what was removed from a sky-subtracted image)
  • a: acquire (short image to acquire the correct field)
  • d: dark
  • f: flat field
  • x: focus

ESPaDOnS

  • p: polarization spectra (the combination of four individual exposures)
  • i: individual intensity spectra
  • a: align exposure (to line up target and fibre)
  • b: bias
  • c: comparison lamp
  • f: flat field
  • x: focus

SITELLE

  • p: ORBS processed FITS cube
  • z: ORBS processed HDF5 cube
  • v: ORBS processed deep white-light image
  • a: align
  • b: bias
  • d: dark
  • c: comparison lamp
  • f: flat field

SPIRou

  • a: align
  • d: dark
  • c: comparison lamp
  • e: 2D extracted spectra
  • f: flat field
  • p: polarimetric data (the combination of four individual exposures)
  • s: 1D extracted spectra, blaze corrected and rebinned (FITS table)
  • t: 2D extracted spectra, telluric corrected
  • v: radial velocity of the star (FITS table)
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