THE REVISED GOLD CAMERA USER'S MANUAL

J. De Veny, E. Carder, D. Harmer

March 3, 1995

Abstract:

Contents

• 1 System Overview
• 2 System Performance
• 3 The Gold Spectrograph
  • 3.1 Spectrograph Rotation, Auto-Guider and Telescope Limitations
  • 3.2 The Slit, Deckers, and Acquisition TVs
  • 3.3 Spectral Resolution and Slit Width
  • 3.4 Filters and the Shutter
  • 3.5 Grating Data
• 4 The CCD- Charge Coupled Device
  • 4.1 Introduction
  • 4.2 Resolution and Spectral Coverage
  • 4.3 Traps and Bad Columns
  • 4.4 Dewar Rotation
  • 4.5 Fringes
• 5 Setup and Observing Techniques
  • 5.1 Bringing Up the Telescope Control System (TCS) Computer
  • 5.2 Software Control - ICE and X-Windows
  • 5.3 Set-up Checklist
  • 5.4 Focusing the Spectrograph and Telescope
  • 5.5 Focusing Higher Dispersion Gratings
  • 5.6 Alignment of the Spectrum on the Chip
  • 5.7 Calibration Spectra
  • 5.8 Flat Fielding - Dome Spot or Internal Quartz Lamp?
  • 5.9 Observing Hints
  • 5.10 Spatial Directions on the Chip
  • 5.11 System Flexure
• 6 IRAF and Data Reduction: A PROVISO FOR USERS
• 7 How Do I Obtain a Copy of This Manual?
• 8 Appendix I: CCD Observing Software Summary
  • 8.1 Appendix II: Target Coordinate Transfer
  • 10 Appendix III: HeNeAr Spectra

  List of Figures

  • 1 GCAM Spectrograph Optical Diagram
  • 2 System Measured Throughput, TI-5
  • 3 10th Magnitude Star Count Rate with TI5
  • 4 Resolution vs Slit Width
  • 5 Anamorphic Magnification and Grating Fill Factors
  • 6 Transmission Plot of a Crystal CuSO4 Filter
  • 7a Grating Efficiencies I
  • 7b Grating Efficiencies II
  • 7c Grating Efficiencies III
  • 7d Grating Efficiencies IV
  • 8 GCAM DQE
  • 9 GCAM CCD Fringes
  • 10 Internal Quartz Lamp in the UV
  • AIIIa HeNeAr Spectra a
  • AIIIb HeNeAr Spectra b
  • AIIIc HeNeAr Spectra c
  • AIIId HeNeAr Spectra d
  • AIIIe HeNeAr Spectra e
  • AIIIf HeNeAr Spectra f

  List of Tables

  • 1 Available Decker Sizes
  • 2 Order Separating Filters
  • 3 Available Gratings
  • 4 Grating Tilt Positions
  • 5 Flux Calibration Standard Stars
  
  

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    Staff Contacts  Phone           email Address     Area of Primary Expertise
    ___________________________________________________________________________
    ___________________________________________________________________________ 
    Todd Boroson    (602) 325-9352  tyb@noao.edu      Instrument Scientist
    Jim De Veny     (602) 325-9390  deveny@noao.edu   Instrument Support
    Ed Carder       (602) 325-9291  carder@noao.edu   Instrument Support
    Dianne Harmer   (602) 325-9218  dharmer@noao.edu  Instrument Support
    ___________________________________________________________________________
  

  
  

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  kessel@noao.edu
  Wed Aug 2 13:05:25 MST 1995