A search for Jupiter-mass companions to nearby stars.

Details A search for Jupiter-mass companions to nearby stars. A search for Jupiter-mass companions to nearby stars.

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995icar..116..359w&link_type=abstract

Icarus, Vol. 116, No. 2, p. 359 - 375

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104

Planetary Companions: Nearby Stars, Planetary Companions: Detection

Scientific paper

The authors have carefully monitored the radial velocities of 21 bright, solar-type stars for 12 years. None has shown any reflex motion due to a substellar companion to an upper limit of between 1 and 3 Jupiter masses for orbital periods less than 15 years. The authors can also rule out companions of more than 3 to 10 Jupiter masses at much longer periods based on long-term trends in the radial velocities, limits imposed by astrometry and zones of orbital stability in wide binaries. When this negative result is combined with other searches, one can say that, so far, no planets of the order of a Jupiter-mass or greater (≥0.001 Msun) have been detected in short-period, circular orbits around some 45 nearby, solar-type stars. This absence presents an interesting challenge to theories of planet formation.

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