Computer Science – Performance
Scientific paper
Aug 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3356.1011s&link_type=abstract
Proc. SPIE Vol. 3356, p. 1011-1017, Space Telescopes and Instruments V, Pierre Y. Bely; James B. Breckinridge; Eds.
Computer Science
Performance
Scientific paper
The FUSE satellite will make high spectral resolving power measurements of astrophysical objects in the 905-1187 angstrom wavelength region from low-earth orbit. Its high effective area and low background will permit observations of solar system, galactic, and extragalactic targets that have been too faint for previous instruments at this high resolution. The spectra produced by the FUSE instrument are complex, 2D images which must be transformed into simple 1D spectra for analysis. In anticipation of the complications involved in this conversion, and because calibration spectra taken on the ground imperfectly represent the results expected on orbit, a detailed computer model of the instrument and satellite has been developed. This model includes the expected performance and alignment of the optical elements and detectors, in addition to other factors such as the spacecraft pointing stability. Using this model, realistic simulated spectra can be generated in order to exercise the processing pipeline and develop data extraction techniques. A description of the computer model is presented, and sample spectra are shown.
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