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Prime Contractor: Charge-Coupled Device Imaging Spectrometer:
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Prime Contractor:
TRW Space and Electronics Group of Redondo Beach, Calif.,
also assembled and tested the observatory for NASA.
Program Manager:
Marshall Center for the Office of Space Science,
NASA Headquarters, Washington, D.C.
Mirror Glass:
Schott Glaswerke, Mainz, Germany.
Mirror Construction:
Raytheon Optical Systems Inc., Danbury, Conn.
Mirror Coating:
Optical Coating Laboratory, Inc., Santa Rosa, Ca.
Mirror Assembly:
Eastman Kodak Co., Rochester, N.Y.Charge-Coupled Device Imaging Spectrometer:
Developed by Pennsylvania State University, University Park, Pa.,
and the Massachusetts Institute of Technology (MIT), Cambridge.
Diffraction Gratings:
1 was developed by MIT, the other by the
Space Research Organization Netherlands, Utrecht, Netherlands,
in collaboration with the Max Planck Institute, Garching, Germany.
High Resolution Camera:
Smithsonian Astrophysical Observatory.
Aspect Camera and Science Instrument Module:
Ball Aerospace & Technologies Corporation of Boulder, Col.
Chandra X-ray Observatory Technical Details Size 45.3 ft long x 64.0 ft wide (solar arrays deployed) Wght 10,560 lbs Life Minimum 5 yrs Orbit 6,200 x 86,900 miles, 64-hr period/orbit Power Two 3-panel, silicon solar arrays (2,350 watts). Three 40-amp-hr nickel-hydrogen batteries for power in eclipse Data recording Solid-state recorder; 1.8 gigabits (16.8 hrs) of recording capability High-Resolution Mirror Assembly 4 sets of nested, grazing incidence paraboloid/hyperboloid mirror pairs, constructed of Zerodur material
- Weight of assembly: 2,104 pounds
- Focal length: 10 meters (about 33 feet)
- Outer diameter: 1.2 meters (about 4 feet)Charge-coupled Imaging Spectrometer 10 charge-coupled device arrays provide simultaneous imaging and spectroscopy High-Resolution Camera Micro-channel plates detect X-ray photons
Transmission Gratings One high/medium- and one low-energy, gold grating
