Searching for planets beyond our Solar System: how astrometry helps.

Details Searching for planets beyond our Solar System: how astrometry helps. Searching for planets beyond our Solar System: how astrometry helps.

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996esabu..87...25p&link_type=abstract

ESA Bull., No. 87, p. 25 - 31

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Planetary Companions: Detection

Scientific paper

The detection of the first extra-solar planets, using ground-based radial velocity searches, has recently been announced. The way in which astrometric searches for planets compare with other search methods presently being pursued or considered (optical and infrared imaging, occultations, gravitational lensing, and spectroscopic measurements) is described, and the potential capabilities of the proposed Horizon 2000 Plus "Darwin" and "GAIA" missions are described. Darwin could detect Earth-mass planets around nearby stars, while GAIA would be able to see the effects of Jupiter-mass planets around hundreds of thousands of stars in our Galaxy, if they exist.

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