Direct imaging of extra-solar planets with stationary occultations viewed by a space telescope

Details Direct imaging of extra-solar planets with stationary occultations viewed by a space telescope Direct imaging of extra-solar planets with stationary occultations viewed by a space telescope

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978icar...35..156e&link_type=abstract

Icarus, vol. 35, July 1978, p. 156-164.

Physics

3

Extrasolar Planets, Imaging Techniques, Lunar Occultation, Spaceborne Telescopes, Attenuation, Detection, Earth Orbits, Light Scattering, Limb Darkening, Lunar Limb, Orbital Elements, Photometers, Signal To Noise Ratios, Stellar Luminosity, Time Functions

Scientific paper

The use of a telescope in space to detect planets outside the solar system by means of imaging at optical wavelengths is discussed. If the 'black' limb of the moon is utilized as an occulting edge, a hypothetical Jupiter-Sun system could be detected at a distance as great as 10 pc, and a signal-to-noise ratio of 9 could be achieved in less than 20 min with a 2.4 m telescope in space. An orbit for the telescope is proposed; this orbit could achieve a stationary lunar occultation of any star for a period of nearly two hours.

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