# Recommended GCAL configurations and exposure times for GMOS GCALflats and CuAr arcs # Version: 2004aug06 # Author : Nicole Chorney, Kathy Roth # # All GCALflats are taken with # GCALlamp=Quartz-Halogen # GCALdiffuser=VISIBLE # All CuAr arcs are taken with # GCALlamp=CuAr # GCALdiffuser=VISIBLE # # FPU=1.0 means slit width=1.0arcsec # FPU=IFU means the IFU is in the beam # # Each line corresponds to a grating choice, a central wavelength setting # between lambda_min and lambda_max, a CCD binning (binX,binY) and a FPU. # The choice of filter within GMOS is not important # # The gratings R150, R400, B600 and R831 are fully included in the table # For grating B1200 use 2x the exposure time for B600 listed for lambda=400-555nm # For grating R600 use 1x the exposure time for B600 # # How to use the table: # Find the grating and the interval for the central wavelength of the observation # The wavelengths are in nanometers # For MOS and longslit, scale for the slit width as needed # For IFU, use Mask="IFU" # Find the correct binning # Read the GCALfilter and the exposure time # Enter the GCALlamp, GCALdiffuser, GCALfilter, and exposure time into the OT # # Those entries marked with a * have been scaled from be previous version of this # table and still need to be verified the next time the R150 is in the instrument. ===============================> GCALflats <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- mirror* n/a n/a 1 1 any ND3.0 1 *configuration for MOS mask images ===============================> GCALflats <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- R150 400 950 1 1 1.0 GMOS 2 R150 400 950 2 1 1.0 GMOS 1* R150 400 950 1 2 1.0 GMOS 1* R150 400 950 2 2 1.0 ND3.0 2* R150 400 950 4 1 1.0 ND3.0 2* R150 400 950 1 4 1.0 ND3.0 2* R150 400 950 4 2 1.0 ND4.0 2 R150 400 950 2 4 1.0 ND4.0 2 R150 400 950 4 4 1.0 ND4.0 2 R150 400 950 1 1 IFU GMOS 20* R150 400 950 2 1 IFU GMOS 10* R150 400 950 4 1 IFU GMOS 6* R400 400 950 1 1 1.0 GMOS 6 R400 400 950 2 1 1.0 GMOS 3 R400 400 950 1 2 1.0 GMOS 3 R400 400 950 2 2 1.0 GMOS 2 R400 400 950 4 1 1.0 GMOS 2 R400 400 950 1 4 1.0 GMOS 2 R400 400 950 4 2 1.0 ND3.0 3 R400 400 950 2 4 1.0 ND3.0 3 R400 400 950 4 4 1.0 ND4.0 3 R400 400 950 1 1 IFU GMOS 60 R400 400 950 2 1 IFU GMOS 30 R400 400 950 4 1 IFU GMOS 15 B600 400 950 1 1 1.0 GMOS 8 B600 400 950 2 1 1.0 GMOS 4 B600 400 950 1 2 1.0 GMOS 4 B600 400 950 2 2 1.0 GMOS 2 B600 400 950 4 1 1.0 GMOS 2 B600 400 950 1 4 1.0 GMOS 2 B600 400 950 4 2 1.0 GMOS 1 B600 400 950 2 4 1.0 GMOS 1 B600 400 950 4 4 1.0 ND3.0 9 B600 400 950 1 1 IFU GMOS 80 B600 400 950 2 1 IFU GMOS 40 B600 400 950 4 1 IFU GMOS 20 R831 400 950 1 1 1.0 GMOS 12 R831 400 950 2 1 1.0 GMOS 6 R831 400 950 1 2 1.0 GMOS 6 R831 400 950 2 2 1.0 GMOS 4 R831 400 950 4 1 1.0 GMOS 4 R831 400 950 1 4 1.0 GMOS 4 R831 400 950 4 2 1.0 GMOS 2 R831 400 950 2 4 1.0 GMOS 2 R831 400 950 4 4 1.0 GMOS 1 R831 400 950 1 1 IFU GMOS 180 R831 400 950 2 1 IFU GMOS 90 R831 400 950 4 1 IFU GMOS 45 ----------------------------------------------------------------------------------- ===============================> CuAr arcs <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- R150 400 950 1 1 1.0 None 1* R150 400 950 2 1 1.0 GMOS 15 R150 400 950 1 2 1.0 GMOS 15 R150 400 950 2 2 1.0 GMOS 8 R150 400 950 4 1 1.0 GMOS 8 R150 400 950 1 4 1.0 GMOS 8 R150 400 950 4 2 1.0 GMOS 4 R150 400 950 2 4 1.0 GMOS 4 R150 400 950 4 4 1.0 GMOS 2 R150 400 950 1 1 IFU None 10 R150 400 950 2 1 IFU None 5 R150 400 950 4 1 IFU None 3 ===============================> CuAr arcs <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- R400 400 950 1 1 1.0 None 2 R400 400 950 2 1 1.0 None 1 R400 400 950 1 2 1.0 None 1 R400 400 950 2 2 1.0 GMOS 15 R400 400 950 4 1 1.0 GMOS 15 R400 400 950 1 4 1.0 GMOS 15 R400 400 950 4 2 1.0 GMOS 8 R400 400 950 2 4 1.0 GMOS 8 R400 400 950 4 4 1.0 GMOS 4 R400 400 950 1 1 IFU None 20 R400 400 950 2 1 IFU None 10 R400 400 950 4 1 IFU None 5 ===============================> CuAr arcs <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- B600 400 555 1 1 1.0 None 45 B600 400 555 2 1 1.0 None 30 B600 400 555 1 2 1.0 None 30 B600 400 555 2 2 1.0 None 20 B600 400 555 4 1 1.0 None 20 B600 400 555 1 4 1.0 None 20 B600 400 555 4 2 1.0 None 10 B600 400 555 2 4 1.0 None 10 B600 400 555 4 4 1.0 None 5 B600 400 555 1 1 IFU None 180 B600 400 555 2 1 IFU None 180 B600 400 555 4 1 IFU None 120 B600 556 610 1 1 1.0 None 15 B600 556 610 2 1 1.0 None 8 B600 556 610 1 2 1.0 None 8 B600 556 610 2 2 1.0 None 4 B600 556 610 4 1 1.0 None 4 B600 556 610 1 4 1.0 None 4 B600 556 610 4 2 1.0 None 2 B600 556 610 2 4 1.0 None 2 B600 556 610 4 4 1.0 None 1 B600 556 610 1 1 IFU None 90 B600 556 610 2 1 IFU None 60 B600 556 610 4 1 IFU None 30 B600 611 950 1 1 1.0 None 3 B600 611 950 2 1 1.0 GMOS 40 B600 611 950 1 2 1.0 GMOS 40 B600 611 950 2 2 1.0 GMOS 20 B600 611 950 4 1 1.0 GMOS 20 B600 611 950 1 4 1.0 GMOS 20 B600 611 950 4 2 1.0 GMOS 10 B600 611 950 2 4 1.0 GMOS 10 B600 611 950 4 4 1.0 GMOS 5 B600 611 950 1 1 IFU None 30 B600 611 950 2 1 IFU None 15 B600 611 950 4 1 IFU None 8 ===============================> CuAr arcs <======================================= ----------------------------------------------------------------------------------- Grating lambda_min lambda_max binX binY FPU GCALFilter Exptime ----------------------------------------------------------------------------------- R831 400 590 1 1 1.0 None 180 R831 400 590 2 1 1.0 None 120 R831 400 590 1 2 1.0 None 120 R831 400 590 2 2 1.0 None 60 R831 400 590 4 1 1.0 None 60 R831 400 590 1 4 1.0 None 60 R831 400 590 4 2 1.0 None 30 R831 400 590 2 4 1.0 None 30 R831 400 590 4 4 1.0 None 15 R831 400 590 1 1 IFU None 300 R831 400 590 2 1 IFU None 180 R831 400 590 4 1 IFU None 120 R831 591 650 1 1 1.0 None 30 R831 591 650 2 1 1.0 None 15 R831 591 650 1 2 1.0 None 15 R831 591 650 2 2 1.0 None 8 R831 591 650 4 1 1.0 None 8 R831 591 650 1 4 1.0 None 8 R831 591 650 4 2 1.0 None 4 R831 591 650 2 4 1.0 None 4 R831 591 650 4 4 1.0 None 2 R831 591 650 1 1 IFU None 90 R831 591 650 2 1 IFU None 45 R831 591 650 4 1 IFU None 20 R831 651 950 1 1 1.0 None 2 R831 651 950 2 1 1.0 None 1 R831 651 950 1 2 1.0 None 1 R831 651 950 2 2 1.0 None 1 R831 651 950 4 1 1.0 None 1 R831 651 950 1 4 1.0 None 1 R831 651 950 4 2 1.0 GMOS 10 R831 651 950 2 4 1.0 GMOS 10 R831 651 950 4 4 1.0 GMOS 5 R831 651 950 1 1 IFU None 30 R831 651 950 2 1 IFU None 15 R831 651 950 4 1 IFU None 8 -----------------------------------------------------------------------------------