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Proceedings Paper

Cyclone Hard X-Ray Observatory
Author(s): Steven E. Boggs; Robert P. Lin; Brian R. Dennis; Norman W. Madden; Peter von Ballmoos; Knud Thomsen; Gordon J. Hurford; Kevin C. Hurley; David M. Smith; Pierre Jean; Juergen Knoedlseder; Robyn M. Millan
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Paper Abstract

In response to the recent NASA-SMEX Announcement of Opportunity, our collaboration proposed Cyclone, the Cyclotron/Nuclear Explorer. Cyclone is a broadband pointed astrophysical observatory, combining the highest spectral resolutions (E/(Delta) E approximately 30 - 300) and angular resolutions (15') achieved in the optimized hard X-ray range (10 - 200 keV). The instrument consists of 19 co-aligned rotation modulation collimator (RMC) telescopes, each with a high spectral resolution, 6-cm diameter germanium detector (GeD) covering energies from 3 keV to 600 keV. Both the optics and detectors are actively shielded with 15-mm BGO to gain low background an high sensitivity to astrophysical sources. A 550-km altitude, circular equatorial orbit also minimizes background. Building strongly upon instrumental heritage from the High-Energy Solar Spectroscopic Imager (HESSI) program, Cyclone would be ready for launch by September 2003. The instrument design and expected performance are discussed, as well as a brief overview of scientific goals.

Paper Details

Date Published: 13 December 2000
PDF: 12 pages
Proc. SPIE 4140, X-Ray and Gamma-Ray Instrumentation for Astronomy XI, (13 December 2000); doi: 10.1117/12.409159
Show Author Affiliations
Steven E. Boggs, California Institute of Technology and Univ. of California/Berkeley (United States)
Robert P. Lin, Univ. of California/Berkeley (United States)
Brian R. Dennis, NASA Goddard Space Flight Ctr. (United States)
Norman W. Madden, Lawrence Berkeley National Lab. (United States)
Peter von Ballmoos, Ctr. d'Etude Spatiale des Rayonnements (France)
Knud Thomsen, Paul Scherrer Institute (Switzerland)
Gordon J. Hurford, Univ. of California/Berkeley (United States)
Kevin C. Hurley, Univ. of California/Berkeley (United States)
David M. Smith, Univ. of California/Berkeley (United States)
Pierre Jean, Ctr. d'Etude Spatiale des Rayonnements (France)
Juergen Knoedlseder, Ctr. d'Etude Spatiale des Rayonnements (France)
Robyn M. Millan, Univ of California/Berkeley (United States)

Published in SPIE Proceedings Vol. 4140:
X-Ray and Gamma-Ray Instrumentation for Astronomy XI
Kathryn A. Flanagan; Oswald H. W. Siegmund, Editor(s)

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