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HETG Ground Calibration: DraftFinal Report
---> Web links and Updates

Contents

• Preface
• 1. Introduction
  • 1.1 The HETG on Chandra
  • 1.2 The HETG itself
  • 1.3 HETGS Calibration Definition and Goals
  • 1.4 Ground Calibration Overview
  • 1.5 HETG Documentation

Part I Physics, Models, and Laboratory Measurements

• 2. LRF Physics and Model
  • 2.1 Rowland Geometry and Astigmatism
  • 2.2 LRF Approximation: Resolving Power Error Budget
    • ---> LEG Resolving Power, 1/5/1999
  • 2.3 Ray-trace Software
    • MARX
• 3. Efficiency Physics and Model
  • 3.1 Diffraction Theory and Models
  • 3.2 Synchrotron Measurements
  • 3.3 Scattering Model
  • 3.4 Efficiency S/W
• 4. Laboratory Measurements and Predictions
  • 4.1 LR Measurements
    • 4.1.1 LR Period and Roll Variation
    • 4.1.2 LR Calibration using NIST Samples
  • 4.2 X-GEF Measurements
    • X-GEF Schematic
    • 4.2.1 Order Assymmetry and Tilt
    • 4.2.2 Laboratory Efficiency Predictions
  • 4.3 Alignment Measurements
  • 4.4 Long-term: Vacuum Storage Gratings
    • ---> VSG Report, Version 2.0, 11/20/1998
  • 4.5 Optical Transmission of the Gratings

Part II X-Ray Calibration Facility Measurements and Analysis

• 5. XRCF and the HETG
  • 5.1 XRCF Hardware Introduction
    • ---> HSI Analyses (6/2/99)
  • 5.2 Differences between XRCF and Flight
    • ---> 5.2.1 HETG Location at XRCF, 7/19/1999
    • ---> 5.2.1 HETG Location in Flight, 7/19/1999
    • 5.2.2 Rowland Spacing Mystery
    • 5.2.3 HETG Orientation at XRCF
  • 5.3 Overview of HETG XRCF Measurements
    • Measurements Table
  • 5.4 HETG-ACIS-S Data at XRCF
  • 5.5 Examples of XRCF Data
  • 5.6 Status of the HETG XRCF Analysis
• 6. XRCF Line Response Function Measurements
  • 6.1 Overview
  • 6.2 Periods and Angles
  • 6.3 LRF Core: Period and Roll Variations
  • 6.4 MEG Mis-Aligned Gratings
  • 6.5 Between Core and Scatter
  • 6.6 Scatter Tests
    • DCM and HIREFS Beam Uniformities
    • ACIS 2C
  • 6.7 Offaxis and Defocus Tests
  • 6.8 ACIS-S Rowland Conformance
• 7. XRCF Efficiency and Effective Area Measurements
  • 7.1 Overview
    • ---> HRMA 'N0004 and HETG / LETG> 'N0003 CIPs
  • 7.2 Alignment Tests
  • 7.3 XRCF Source Characteristics
    • 7.3.1 Source Spectra and Efficiency Measurements
      • ---> HSI Source Spectra (6/17/99)
      • ---> HSI Analyses (6/2/99)
    • 7.3.2 Beam Uniformity Effects on Efficiency Measurements
  • 7.4 Efficiency: Phase I, EIPS Data
    • ---> Updated Analysis, 6/22/1999
    • JMKMOD
  • 7.5 Efficiency: Phase I, Monochromator Data
  • 7.6 Efficiency: ACIS-2C Data
  • 7.7 Absolute Effective Area with ACIS-S
    • ---> Effective area report ( 11 Mb .ps )
    • ---> Updated DCM Analysis
    • ---> HiREFS/EIPS Results
  • 7.8 Relative Effective Area: Molecular Contamination
    • Herman's MC Analysis
    • ---> CC(1x3) QE compared to TE mode QE ( 3.5 Mb .ps )
    • HETGS MC Analysis! IDL analysis of H-HAS-MC-3.010 Carbon HEG ACIS-S Molecular Contamination data set. The .html file is also the IDL file that created the plots.
  • 7.9 Effective Area with HRC-I
    • ---> HRC-I QE
  • 7.10 Efficiency: High-Order Efficiency Measurements

Part III Calibration Data and Products

• 8. Calibration Data
• 9. Calibration Products
  • 9.1 Overview of Products
  • 9.2 Fundamental Calibration Products for HETG
  • 9.3 HETG Calibration Interface Products
    • ---> Calibration Products, 7/17/1999
    • ---> LEG Effective Efficiency, (vs A), 1/5/1999
  • 9.4 HETGS Calibration Interface Products
    • 9.4.1 Resolving Power
    • 9.4.2 Effective Area
    • 9.4.3 XSPEC Response Matrices
• Acronyms
• Mathematical Symbols
• Bibliography

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