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1 June 1994 Predicted scattering characteristics of the Hubble Space Telescope/COSTAR/Faint Object Spectrograph
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Abstract
We describe recent orbital test data acquired with the COSTAR/Faint Object Spectrograph (FOS) on the Hubble Space Telescope (HST). These data exhibit possible internal thruput deficit and scattering features in the FOS. We then describe some data from laboratory measurements of COSTAR optical components carried out at Ball Aerospace Corporation and NASA/Goddard Space Flight Center, which we initially thought might bear on some of the orbital test data. We use next, a theoretical model to simulate some of the HST/COSTAR/FOS imaging and spectral performance. We apply the model to the current data to assist in evaluating COSTAR iamging performance, to attempt to isolate the origin of the thruput deficit and scattering features. The results of these studies will permit a better understanding of the limits of HST performance and permit development of optimal strategies for performing spatially resolved spectroscopy in the FOS scientific observing program.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Frank Bartko, Richard J. Harms, Holland C. Ford, George F. Hartig, and Geoffrey S. Burks "Predicted scattering characteristics of the Hubble Space Telescope/COSTAR/Faint Object Spectrograph", Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); https://doi.org/10.1117/12.176684
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