Calibration and Performance Issues

• HETG Si K edge issues  Residual instrument features at the Si-K edge based on several HETGS observations. Dated 6/8/2022
• HETG zero-order verification  On-orbit zero-order effective area comparison to the HETG first order. Dated 12/11/2019
• HETG in cc-graded mode  HETG properties of spectra taken in cc-graded mode. Dated 2/26/2014
• Web page  on the comparison of the XMM and Chandra spectra for several cross-calibration observations. Last updated 7/7/06
• Report  on the HETGS effective area, dated 10/14/2005, giving an update of the HEG and HEG efficiencies and a fit to the HRMA Ir-M edge.
• In-flight Performance  See also the HETGS Technotes page
• Observational Considerations for setting up new observations
• HRMA Calibration
• ACIS-S Calibration Details

Relevant Software

• ISIS Spectral Analysis Software
• MARX Simulation Software
• CIAO Data Analysis Software
• Grating Analysis Threads
• HETGS Spectrum Extraction Thread

HETGS Components

• Mirror Assembly: Observatory Guide: HRMA
• HETG: Observatory Guide: HETG
• ACIS, the detector normally used with HETG
  • Observatory Guide: ACIS
  • ACIS IPI webpage

Other HETGS-related Links

• CXC at MIT  Home page for MIT contributions to the Chandra X-ray Center
• Analysis Guide  for Chandra High Resolution Spectroscopy
• HETGS Analysis Memos  notes, work in progress, etc.
• HETG page at MIT  Overview of HETG from flight perspective
• HETGS Status  Some notes on HETG performance
• HETGS Ground Calibration  HETG calibration results from XRCF