GMOS Data Reduction

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GMOS IFU ReductionTypical GMOS IFU observations" Science Observations" Acquisition" Direct image of the field initial offsets" Un-dispersed IFU image fine centering" Observation sequence:" Flat (fringing is flexure-dependent)" Science Exposure (up to 1 hour)" Flat (and CuAr arc if you need good Wavev. Calib.)" Daytime calibrations (Baseline)" Bias - GN(GS)-CALYYYYMMDD" Twilight sky flat and CuAr arcs (inside the program)" Nighttime calibrations (Baseline) - GN(GS)-CALYYYYMMDD" Flux standard for relative flux calibration (not – coincident)
GMOS IFU Reduction -> acquisitionGMOS GMOS IFU-2 IFU-2 reconstructed slitsGMOS direct (undispersed) imaging (undispersed)with image IFU-2 IFU-1 pseudo-slit1 arcminIFU RedIFU Blue
Page 1 and 2: eminiulti- bject pectrograph GMOS O
Page 7 and 8: to the detectorMask assembly withca
Page 9: GMOS Images: Data ReductionGeneral
Page 13 and 14: GMOS Images: Data Reduction" Basic
Page 15 and 16: Reducing GMOS Images" Be sure to us
Page 17 and 18: " Removing the fringingReducing GMO
Page 19 and 20: Final GMOS imageHCG 87
Page 21 and 22: Integral Field SpectroscopyEach spe
Page 23 and 24: GMOS IFU" Optical Integral Field Sp
Page 25 and 26: GMOS Example: 1 slit mode Mrk996Sky
Page 27 and 28: GMOS IFU: Mask Definition Files" Ma
Page 29: GMOS IFU ReductionOrganizing your f
Page 33 and 34: GMOS IFU Reduction" Basic IRAF data
Page 35 and 36: Step 1: bias subtraction" Use gprep
Page 37 and 38: Step 2: identifying the fibers (spe
Page 45 and 46: Step 3: prepare the flat-field" Mak
Page 47 and 48: Step 4: wavelength calibration" Not
Page 49 and 50: Step 4: wavelength calibration" Mar
Page 51 and 52: Step 4: wavelength calibrationRMS ~
Page 53 and 54: Step 4: wavelength calibrationCheck
Page 55 and 56: Step 5: reducing the science data"
Page 57: Differential Atmospheric Refraction

GMOS Data Reduction

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