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Stability constraints in modeling of multi-planet extrasolar systems

Published online by Cambridge University Press:  01 October 2007

Krzysztof Goździewski ,
Cezary Migaszewski  and
Arek Musieliński
Krzysztof Goździewski
Affiliation:
Toruń Centre for Astronomy, N. Copernicus University, PL-87-100 Toruń, Poland email: k.gozdziewski@astri.umk.pl, c.migaszewski@astri.umk.pl, a.musielinski@astri.umk.pl
Cezary Migaszewski
Affiliation:
Toruń Centre for Astronomy, N. Copernicus University, PL-87-100 Toruń, Poland email: k.gozdziewski@astri.umk.pl, c.migaszewski@astri.umk.pl, a.musielinski@astri.umk.pl
Arek Musieliński
Affiliation:
Toruń Centre for Astronomy, N. Copernicus University, PL-87-100 Toruń, Poland email: k.gozdziewski@astri.umk.pl, c.migaszewski@astri.umk.pl, a.musielinski@astri.umk.pl
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Abstract

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We present an analysis of high precision radial velocity (RV) observations of stars hosting multi-planet systems with Jovian companions. We use dynamical stability constraints and quasi-global methods of optimization. As an illustration, we present new results derived for the RV data of the Sun-like dwarfs HD 155358 and τ1 Gruis.

Keywords

radial velocity techniqueN-body problemstars: HD 155358stars: τ1 Gruis

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