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Proceedings Paper

New concept for direct detection and spectra of exoplanets
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Paper Abstract

We present a novel spectral imaging method for characterization of exoplanets. This method uses 4 collecting telescopes, in a pattern similar to TPF-I or Darwin, combined with phase chopping. Focusing on contiguous observing wavelengths in space, the (u, v) plane can be simultaneously filled by the use of the contiguous observing wavelengths instead of continuously rotating the baselines. For a target comprising a star and a planet, observations on two baselines are sufficient to extract an image of the planetary system and a spectrum of the planet. Our simulations show that this new method allows us to detect an analog Earth around a Sun-like star at 10pc and to acquire its spectrum over the wavelength range from 8 to 18μm.

Paper Details

Date Published: 21 July 2010
PDF: 8 pages
Proc. SPIE 7734, Optical and Infrared Interferometry II, 77342K (21 July 2010); doi: 10.1117/12.858324
Show Author Affiliations
Taro Matsuo, National Astronomical Observatory of Japan (Japan)
Jet Propulsion Lab. (United States)
Wesley A. Traub, Jet Propulsion Lab. (United States)
Makoto Hattori, Tohoku Univ. (Japan)
Motohide Tamura, National Astronomical Observatory of Japan (Japan)
Michael Shao, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 7734:
Optical and Infrared Interferometry II
William C. Danchi; Françoise Delplancke; Jayadev K. Rajagopal, Editor(s)

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