A tunable crystal diffraction telescope for the International Space Station

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Even though technically innovative, a tunable crystal diffraction telescope for use in nuclear astrophysics has become feasible today. The focusing gamma-ray telescope the authors intended to propose for the space station consists of a tunable crystal diffraction lens, focusing gamma-rays onto a small array of Germanium detectors perched on an extendible boom. While the weight of such an instrument is less than 500 kg, it features an angular resolution of 15 inches, an energy resolution of 2 keV and a 3 {sigma} sensitivity of a few times 10{sup {minus}7} photons{center_dot}s{sup {minus}1}{center_dot}cm{sup {minus}2} (10{sup 6} sec observation) for any individual narrow ... continued below

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7 p.

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Ballmoos, P. von; Kohnle, A.; Olive, J.F.; Vedrenne, G.; Smither, R.K.; Fernandez, P.B. et al. February 1, 1997.

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Description

Even though technically innovative, a tunable crystal diffraction telescope for use in nuclear astrophysics has become feasible today. The focusing gamma-ray telescope the authors intended to propose for the space station consists of a tunable crystal diffraction lens, focusing gamma-rays onto a small array of Germanium detectors perched on an extendible boom. While the weight of such an instrument is less than 500 kg, it features an angular resolution of 15 inches, an energy resolution of 2 keV and a 3 {sigma} sensitivity of a few times 10{sup {minus}7} photons{center_dot}s{sup {minus}1}{center_dot}cm{sup {minus}2} (10{sup 6} sec observation) for any individual narrow line at energies between 200--1,300 keV. This experience would greatly profit from the continuous presence of man on the station. Besides of the infrastructure for maintenance and servicing of the various innovative techniques used for the first time in space, the available extra-vehicular robotics will facilitate deployment of the required boom structure.

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7 p.

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OSTI as DE97004083

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  • ESA symposium on space station utilization, Darmstadt (Germany), 30 Sep - 2 Oct 1996

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  • Other: DE97004083
  • Report No.: ANL/XFD/CP--92633
  • Report No.: CONF-9609335--1
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 459442
  • Archival Resource Key: ark:/67531/metadc679336

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  • February 1, 1997

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  • July 25, 2015, 2:21 a.m.

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  • Dec. 14, 2015, 6:33 p.m.

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Ballmoos, P. von; Kohnle, A.; Olive, J.F.; Vedrenne, G.; Smither, R.K.; Fernandez, P.B. et al. A tunable crystal diffraction telescope for the International Space Station, article, February 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc679336/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.