Physics
Scientific paper
Apr 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jgr...101.9291t&link_type=abstract
Journal of Geophysical Research, Volume 101, Issue E4, p. 9291-9296
Physics
1
Planetology: Solid Surface Planets: Instruments And Techniques, Planetology: Solid Surface Planets: Orbital And Rotational Dynamics, Planetology: Solid Surface Planets: Origin And Evolution
Scientific paper
A search for Jovian-type planets in 100 nearby binary stars could be carried out with the existing ground-based infrared-optical telescope array (IOTA) interferometer. We would study binaries with sufficiently great separation (25-50 AU; typical separation around 0.4 arcsec) that such a planet could be in a stable orbit about one member of the pair. The method is to measure the angular separation of stars in each binary, with a single-measurement accuracy sufficient to detect the amplitude of a Uranus orbiting one of the stars. The technique is based on an auxiliary device, the pupil-splitting interferometer (PSI), which substantially reduces systematic and random errors by converting a measurement of angular separation into a measurement of the differential optical delay between the two components of the binary. The program would be relatively economical, and could begin soon.
Carleton Nathaniel P.
Porro Irene L.
Traub Wesley A.
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