• DocumentCode
    832984
  • Title

    Aspect System for HEAO-B

  • Author

    Koch, D. ; Hall, R. ; Tsao, H. ; Wollman, H. ; Kilinski, R.

  • Author_Institution
    American Science and Engineering, Inc. Cambridge, Massachusetts 02139
  • Volume
    25
  • Issue
    1
  • fYear
    1978
  • Firstpage
    473
  • Lastpage
    477
  • Abstract
    The aspect system for the HEAO-B Observatorya provides the necessary absolute referencing of the Observatory coordinates to the celestial sphere with a precision of one arc second. In addition, it provides realtime data to the Spacecraft to permit pointing of the Observatory to one arc minute. The system is composed of three star trackers with associated shades, a pair of bright object detectors and a fiducial light system for referencing the experiment X-ray axis to the star tracker axes.
  • Keywords
    Earth; Moon; Object detection; Observatories; Optical filters; Optical refraction; Protection; Space technology; Space vehicles; Telescopes;
  • fLanguage
    English
  • Journal_Title
    Nuclear Science, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9499
  • Type

    jour

  • DOI
    10.1109/TNS.1978.4329351
  • Filename
    4329351
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=832984