Запис Детальніше

Modeling radial velocities of HD 240210 with the Genetic Algorithm

Vernadsky National Library of Ukraine

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Поле Співвідношення
 
Title Modeling radial velocities of HD 240210 with the Genetic Algorithm
 
Creator Rozenkiewicz, A.
Gozdziewski, K.
Migaszewski, C.
 
Description More than 450 extrasolar planets are known to date. To detect these intriguing objects many photometric and radial velocity surveys are in progress. We developed the Keplerian FITting code, to model published and available radial velocity data. This code is based on a hybrid, quasi-global optimization technique relying on the Genetic Algorithms and simplex algorithm. Here, we re-analyse the radial velocity data of evolved K3III star HD 240210. We found three equally good solutions which might be interpreted as signals of twoplanet systems. Remarkably, one of these best-fits describes long-term stable two-planet system, involved in the 2:1 mean motion resonance. It may be the first instance of this strong mean motion resonance in a multi-planet system hosted by evolved star, as the 2:1 mean motion resonance configurations are already found around a few sun-like dwarfs.
 
Date 2017-06-03T20:10:58Z
2017-06-03T20:10:58Z
2011
 
Type Article
 
Identifier Modeling radial velocities of HD 240210 with the Genetic Algorithm / A. Rozenkiewicz, K. Gozdziewski, C. Migaszewski // Advances in Astronomy and Space Physics. — 2011. — Т. 1., вип. 1-2. — С. 84-88. — Бібліогр.: 6 назв. — англ.
987-966-439-367-3
http://dspace.nbuv.gov.ua/handle/123456789/119088
 
Language en
 
Relation Advances in Astronomy and Space Physics
 
Publisher Advances in astronomy and space physics