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)