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Extra-solar Planets: Clues to Planetary Formation

Published online by Cambridge University Press:  26 May 2016

Nuno C. Santos ,
Michel Mayor ,
Dominique Naef ,
Francesco Pepe ,
Didier Queloz  and
Stéphane Udry
Nuno C. Santos
Affiliation:
Observatório Astronómico de Lisboa/CAAUL, Tapada da Ajuda, 1349-018 Lisboa, Portugal and Observatoire de Genève, 1290 Sauverny, Switzerland
Michel Mayor
Affiliation:
Observatoire de Genève, 1290 Sauverny, Switzerland
Dominique Naef
Affiliation:
Observatoire de Genève, 1290 Sauverny, Switzerland
Francesco Pepe
Affiliation:
Observatoire de Genève, 1290 Sauverny, Switzerland
Didier Queloz
Affiliation:
Observatoire de Genève, 1290 Sauverny, Switzerland
Stéphane Udry
Affiliation:
Observatoire de Genève, 1290 Sauverny, Switzerland

Abstract

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Radial velocity surveys have revealed up to now about 115 extra-solar planets, among which a few multi-planetary systems. The discovered planets present a wide variety of orbital elements and masses, which are raising many problems and questions regarding the processes involved in their formation. The statistical analysis of the distributions of orbital elements, planetary masses, and relations between these, is however already giving some strong constraints on the formation of the planetary systems. Furthermore, the study of the planet host stars has revealed the crucial role of the stellar metallicity on the giant planet formation. In this paper we will review the current status of the research on this subject.

Type
Part 7: Cool Stars and their Planets
Information
Symposium - International Astronomical Union , Volume 219: Stars as Suns : Activity, Evolution and Planets , 2004 , pp. 311 - 322
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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