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This is a development model for the high resolution X-ray imager that was eventually flown on the High Energy Astronomical Observatory-2 (HEAO-2) spacecraft. It is called a "brassboard" to denote the fact that it represents a development stage more advanced that the initial breadboard but short of the protoype for the final instrument. The critical elements are packaged as they will be in the flight unit while less critical elements are present in more rudimetary fashion. HEAO-2, was the first fully imaging X-ray telescope placed into orbit. After its launch in 1978 it was renamed Einstein to commemorate the centenary of his birth. This breadboard as well as the flight detector were built by American Science and Engineering.

The Smithsonian Astrophysical Observatory transferred it to NASM in 2002.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type INSTRUMENTS-Scientific Manufacturer American Science & Engineering, Incorporated
 Dimensions 3-D: 45.7 × 22.9 × 18.4cm (1 ft. 6 in. × 9 in. × 7 1/4 in.)
 Materials Aluminum
Steel
Plastic
Synthetic
Unknown Metal
Textile
Rubber
Coating
 Inventory Number A20020292000 Credit Line Transferred from the Smithsonian Astrophysical Observatory, Harvard University. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.