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Proceedings Paper

CCD photometry tests for a mission to detect Earth-sized planets in the extended solar neighborhood
Author(s): David G. Koch; William J. Borucki; Edward W. Dunham; Jon M. Jenkins; Larry Webster; Fred C. Witteborn
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Paper Abstract

The thirty or so extrasolar planets that have been discovered to date are all about as large as Jupiter or larger. Finding Earth-size planets is a substantially more difficult task. We propose the use of spacebased differential photometry to detect the periodic changes in brightness of several hours duration caused by planets transiting their parent stars. The change in brightness for a Sun-Earth analog transit is 8 X 10-5. We describe the instrument and mission concepts that will monitor 100,000 main-sequence stars and detect on the order of 500 Earth-size planets, if terrestrial planets are common in the extended solar neighborhood.

Paper Details

Date Published: 28 July 2000
PDF: 12 pages
Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); doi: 10.1117/12.394034
Show Author Affiliations
David G. Koch, NASA Ames Research Ctr. (United States)
William J. Borucki, NASA Ames Research Ctr. (United States)
Edward W. Dunham, Lowell Observatory (United States)
Jon M. Jenkins, SETI Institute (United States)
Larry Webster, NASA Ames Research Ctr. (United States)
Fred C. Witteborn, Orbital Sciences Corp. (United States)


Published in SPIE Proceedings Vol. 4013:
UV, Optical, and IR Space Telescopes and Instruments
James B. Breckinridge; Peter Jakobsen, Editor(s)

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