A Telescope Design for Direct Imaging of Extrasolar Planets

Details A Telescope Design for Direct Imaging of Extrasolar Planets A Telescope Design for Direct Imaging of Extrasolar Planets

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.8004r&link_type=abstract

American Astronomical Society, 192nd AAS Meeting, #80.04; Bulletin of the American Astronomical Society, Vol. 30, p.935

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on the design of a 2.0-meter orbiting telescope capable of detection by direct imaging of Jupiter-class planets around solar-type stars at a distance of up to 10 parsecs. The telescope would operate in the visible spectrum, using reflected light to maximize angular resolution. An off-axis Gregorian telescope with field and Lyot stops has been designed using low-scatter mirror surfaces and optical apodization to control diffraction. Calculations indicate that the system will reliably detect Jupiter- and Saturn-class planets around solar-type stars at angular separations as small as 0.5 arcsec. Such a single-telescope system would fit within the constraints of a Discovery or MIDEX NASA program, and would serve as a pathfinder for large space-based interferometric systems.

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