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A Detailed Analysis of the HD 73526 2:1 Resonant Planetary System
Robert A. Wittenmyer, Xianyu Tan, Man Hoi Lee +15
We present six years of new radial-velocity data from the Anglo-Australian and Magellan Telescopes on the HD 73526 2:1 resonant planetary system. We investigate both Keplerian and…
Gap formation in a self-gravitating disk and the associated migration of the embedded giant planet
Hui Zhang, Huigen Liu, Ji-Lin Zhou +1
We present the results of our recent study on the interactions between a giant planet and a self-gravitating gas disk. We investigate how the disk's self-gravity affects the gap fo…
Revisiting the proposed circumbinary multi-planet system NSVS14256825
Tobias C. Hinse, Jae Woo Lee, Krzysztof Gozdziewski +2
In this work we carry out an analysis of the observed times of primary and secondary eclipses of the post-common envelope binary NSVS14256825. Recently, \cite{Almeida2013} proposed…
Main-sequence progenitor configurations of the NN Ser candidate circumbinary planetary system are dynamically unstable
Alexander J Mustill, Jonathan P Marshall, Eva Villaver +4
Recent observations of the NN Serpentis post-common envelope binary system have revealed eclipse timing variations that have been attributed to the presence of two Jovian-mass exop…
Star - Planet - Debris Disk Alignment in the HD 82943 system: Is planetary system coplanarity actually the norm?
G. M. Kennedy, M. C. Wyatt, G. Bryden +2
Recent results suggest that the two planets in the HD 82943 system are inclined to the sky plane by 20 +/- 4deg. Here, we show that the debris disk in this system is inclined by 27…
Dynamical Constraints on Exoplanets
Jonti Horner, Robert A. Wittenmyer, Chris Tinney +2
Dynamical studies of new exoplanet systems are a critical component of the discovery and characterisation process. Such studies can provide firmer constraints on the parameters of…