On the astrometric detection of neighboring planetary systems. II

Details On the astrometric detection of neighboring planetary systems. II On the astrometric detection of neighboring planetary systems. II

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980icar...41..205g&link_type=abstract

Icarus, vol. 41, Feb. 1980, p. 205-231.

Astronomy and Astrophysics

Astronomy

9

Astrometry, Astronomical Photometry, Extrasolar Planets, Planetary Systems, Astronomical Photography, Atmospheric Attenuation, Earth Atmosphere, Interferometers, Photographic Plates, Random Errors, Satellite-Borne Instruments, Stellar Motions

Scientific paper

A survey of 20 nearby stars to detect the nonlinear variations in their motion produced by planetary systems is presented. A new photoelectric detector expected to utilize virtually all of the astrometric information transmitted through the earth's atmosphere was tested which was capable of determining relative positions with an accuracy of 1 milliarcsec/hr. It was concluded that a new ground based telescope combined with the new detector can study stars as faint as the 17th magnitude with an annual accuracy of a few tenths of a milliarcsec

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