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The cosmic X-ray experiment aboard HEAO-1The cosmic X-ray experiment aboard the HEAO-1 observatory is described, The instrument consists of six gas proportional counters of three types nominally covering the energy ranges of 0.15 keV, 1.2-20 keV, and 2.5-60 keV. The two low energy detectors have about 400 sq cm open area each while the four others have about 800 sq cm each. A novel feature of this experiment is the dual field of view collimators that allow the unambiguous determination of instrument internal background and diffuse X-ray brightness. Instrument characteristics and early performance are discussed.
Document ID
19790050930
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Rothschild, R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Boldt, E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Holt, S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Serlemitsos, P. (NASA Goddard Space Flight Center Greenbelt, Md., United States)
Garmire, G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Agrawal, P. (California Institute of Technology Pasadena, Calif., United States)
Riegler, G. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Bowyer, S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Lampton, M. (California, University Berkeley, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1979
Publication Information
Publication: Space Science Instrumentation
Volume: 4
Subject Category
Spacecraft Instrumentation
Accession Number
79A34943
Distribution Limits
Public
Copyright
Other

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