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CORALIE–ELODIE new planets and planetary systems. Looking for fossil traces of formation and evolution

Published online by Cambridge University Press:  26 May 2016

S. Udry ,
M. Mayor  and
D. Queloz
S. Udry
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland
M. Mayor
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland
D. Queloz
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland

Abstract

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6 new extra-solar planet candidates (HD 6434 b, HD 19994 b, HD 83443c, HD 92788b, HD 121504b, HD 190228b) are announced as part of our planet-search programmes in the northern and southern hemispheres. HD 83443 c is member of a 2-planet system with Saturnian and sub-Saturnian masses. Another system including a planet + a very low-mass brown dwarf orbiting HD 168443 is also presented. These 2 new systems and the new planetary detections rise to 25 the number of ELODIE and CORALIE candidates with minimum masses ≤20MJup. The orbital element distributions of giant-planet candidates, like the secondary mass function, the eccentricity and period distributions, compared to the equivalent distributions for spectroscopic binaries, strongly suggest different formation mechanisms for the two populations.

Type
Part I: Discovery and study of extrasolar planets - current
Information
Symposium - International Astronomical Union , Volume 202: Planetary Systems in the Universe – Observation, Formation and Evolution , 2004 , pp. 12 - 19
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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