Chandra X-Ray Observatory
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Last modified: 14 July 2014

HETG: High Energy Transmission Grating


The High Energy Transmission Grating on Chandra (PI: C.Canizares, MIT) provides a spectral resolution of about 1000 in the 0.5-8 keV band (1.6-6 Angstrom). The dispersed spectrum is normally read out by the ACIS-S CCD array.

See the Proposers' Observatory Guide (POG) and the HETG website for technical details and the CXC HETG Calibration webpages for the latest calibration status. For a more in-depth discussion of grating analysis, refer to the Chandra Grating Analysis Guide.



Last modified: 14 July 2014
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