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Proceedings Paper

Direct detection of extra-solar planets by imaging: definition of the background
Author(s): Christ Ftaclas; Andreas L. Nonnenmacher; Anthony Grusczak; Richard J. Terrile; Steven H. Pravdo
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Paper Abstract

In order to explore the nature of the limits on direct extrasolar planet detection we have generated high accuracy broadband background models for several different cases. The simplest assumes an ideal diffraction limited background with shot and read noise errors. More complex models based on phase error maps drawn from real metrology data include the effects of scatter in the optical system. To these backgrounds a planet image can be added at various relative intensity levels. In the simples case, the background dominated by ideal diffraction is so smooth that a median filter is very effective at removing it locally, permitting planet detection at the limits of the flat field error of the detector. The use of more complex filters for the scatter limited case will be discussed.

Paper Details

Date Published: 1 June 1994
PDF: 12 pages
Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); doi: 10.1117/12.176817
Show Author Affiliations
Christ Ftaclas, Hughes Danbury Optical Systems, Inc. (United States)
Andreas L. Nonnenmacher, Hughes Danbury Optical Systems, Inc. (United States)
Anthony Grusczak, Hughes Danbury Optical Systems, Inc. (United States)
Richard J. Terrile, Jet Propulsion Lab. (United States)
Steven H. Pravdo, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 2198:
Instrumentation in Astronomy VIII
David L. Crawford; Eric R. Craine, Editor(s)

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