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Trojan pairs in the HD 128311 and HD 82943 planetary systems? | | Krzysztof Gozdziewski
; Maciej Konacki
; | | Date: |
5 Oct 2005 | | Subject: | astro-ph | | Abstract: | Two nearby stars, HD 128311 and HD 82943, are believed to host pairs of Jupiter-like planets involved in a strong first order 2:1 mean motion resonance. In this work we reanalyze available radial velocity (RV) measurements and demonstrate that it is also possible to explain the observed RV variations of the parents stars as being induced by a pair of Trojan planets. We show that these Trojan configurations reside in extended zones of stability in which such systems may easily survive in spite of large masses of the planets, large eccentricities and nonzero mutual inclinations of their orbits. | | Source: | arXiv, astro-ph/0510109 | | Services: | Forum | Review | PDF | Favorites | |
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