20 August 2009 An evaluation of the effects of non-uniform exo-zodiacal dust distributions on planetary observations
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Proceedings Volume 7440, Techniques and Instrumentation for Detection of Exoplanets IV; 744015 (2009); doi: 10.1117/12.825497
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States
Abstract
As the push for a dedicated direct exoplanet imaging mission intensifies, and numerous mission concepts are drafted and refined, a growing concern has been that not enough attention has been paid to the effects of exozodiacal light. As most mission simulations have assumed uniform or smoothly varying exozodi levels, there exists a danger that a potential future planet imager will be unable to succeed in its mission due to 'clumped' exozodi. We have used our existing framework for evaluating the capabilities of direct planet imagers to simulate the effects of non-uniform exozodi on mission outcomes, including modeling the increased integration time that may be required, and the possibility of increased false positives.
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Dmitry Savransky, N. Jeremy Kasdin, Robert J. Vanderbei, "An evaluation of the effects of non-uniform exo-zodiacal dust distributions on planetary observations", Proc. SPIE 7440, Techniques and Instrumentation for Detection of Exoplanets IV, 744015 (20 August 2009); doi: 10.1117/12.825497; http://dx.doi.org/10.1117/12.825497
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KEYWORDS
Planets

Stars

Signal detection

Solar system

Target detection

Computer simulations

Exoplanets

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