Computer Science – Performance
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007crphy...8..438a&link_type=abstract
Comptes Rendus - Physique, Volume 8, Issue 3-4, p. 438-447.
Computer Science
Performance
1
Occulter, Exoplanet Detection, New Worlds Observer, Tolerancing, Contrast Ratio, Inner Working Angle, Occulteur, Détection Des Exoplanètes, New Worlds Observer, Tolérance, Rapport De Contrast
Scientific paper
The New Worlds Observer (NWO) is a multiple spacecraft mission that is capable of detecting and characterizing extra-solar planets and planetary systems. NWO consists of an external occulter and a generic space telescope, flying in tandem. The external occulter has specific requirements on its shape and size, while the telescope needs no special modification beyond that required to do high-quality astrophysical observations. The occulter is a petal-shaped, opaque screen that creates a high-suppression shadow large enough to accommodate the telescope. This article reports on the optical performance of the novel New Worlds occulter design. It also introduces two new aspects of its optical performance which enhance the detectability of extra-solar planets. We also include a brief discussion of the buildability and the tolerances of the occulter. It is also shown that an occulter design can be found for any set of science requirements. We show that NWO is a viable mission concept for the study of extra-solar planets. To cite this article: J.W. Arenberg et al., C. R. Physique 8 (2007).
Arenberg Jonathan W.
Cash Webster
Glassman Tiffany Michelle
Lo Amy S.
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