Progress on the Scintillation Imaging Gas-filled Hard X-ray Telescope (SIGHT)

Timothy K. Edberg; Steven E. Boggs; Ann M. Parsons; Bernard Sadoulet; Paul Shestople; R. Therrien; Shimon Weiss; Jeff Wilkerson; Garth Smith

doi:10.1117/12.186827

16 September 1994 Progress on the Scintillation Imaging Gas-filled Hard X-ray Telescope (SIGHT)

Timothy K. Edberg, Steven E. Boggs, Ann M. Parsons, Bernard Sadoulet, Paul Shestople, R. Therrien, Shimon Weiss, Jeff Wilkerson, Garth Smith

Author Affiliations +

Proceedings Volume 2280, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V; (1994) https://doi.org/10.1117/12.186827
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We are building a new type of hard X-ray detector (35-300 keV) for astronomical observations, a high pressure (20 atmospheres) imaging xenon gas scintillation drift chamber. This detector combines the concepts of the gas scintillation chamber and the time projection chamber, utilizing waveshifting fibers to read out the scintillation light. This detector will be the focal plane instrument of the Scintillation Imaging Gas-filled Hard X- ray Telescope (SIGHT), a balloon-borne instrument which promises to combine high sensitivity (2.2 x 10^{-5 (gamma} /cm²sec for narrow lines and 4 x 10^{-6 (gamma} /cm²sec/keV continuum at 70 keV), very good energy resolution (2.6% FWHM 122 keV), and outstanding imaging (1.5 arcminute map pixels). We summarize the capabilities of SIGHT and present recent technical innovations and construction status of the detector.

Citation Download Citation

Timothy K. Edberg, Steven E. Boggs, Ann M. Parsons, Bernard Sadoulet, Paul Shestople, R. Therrien, Shimon Weiss, Jeff Wilkerson, and Garth Smith "Progress on the Scintillation Imaging Gas-filled Hard X-ray Telescope (SIGHT)", Proc. SPIE 2280, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V, (16 September 1994); https://doi.org/10.1117/12.186827

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