천문학회보 (The Bulletin of The Korean Astronomical Society)
- 제41권1호
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- Pages.79.1-79.1
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- 2016
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- 1226-2692(pISSN)
Orbital stability study and transit-timing variations of the extrasolar planetary system: K2-3
- Choi, Beom-Kyu (Department of Astronomy and Atmospheric Sciences, Kungpook National University) ;
- Hinse, Tobias C. (Korea Astronomy and Space Science Institute) ;
- Yoon, Tae Seog (Department of Astronomy and Atmospheric Sciences, Kungpook National University)
- 발행 : 2016.04.12
초록
We investigated the dynamical properties of the K2-3 multi-planet system. Recently three transiting planets are discovered using the extended Kepler2 (K2) mission (Crossfield et al. 2015). We extended their preliminary stability study by considering a substantial longer integration time. Since planet mass is not known from photometry we calculated exoplanets masses using empirical mass-radius relations (Weiss & Marcy 2014). Forward numerical integration was done using the MERCURY integration package (Chambers 1999). Our results demonstrate that this system is stable over a time scale of
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