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How planet-planet scattering can create high-inclination as well as long-period orbits
Sourav Chatterjee, Eric B. Ford, Frederic A. Rasio
Recent observations have revealed two new classes of planetary orbits. Rossiter- Mclaughlin (RM) measurements have revealed hot Jupiters in high-obliquity orbits. In addition, dire…
Hot Jupiters from Secular Planet--Planet Interactions
Smadar Naoz, Will M. Farr, Yoram Lithwick +2
About 25 per cent of `hot Jupiters' (extrasolar Jovian-mass planets with close-in orbits) are actually orbiting counter to the spin direction of the star. Perturbations from a dist…
Twin Binaries: Studies of Stability, Mass Transfer, and Coalescence
James C. Lombardi, William Holtzman, Katherine L. Dooley +3
Motivated by suggestions that binaries with almost equal-mass components ("twins") play an important role in the formation of double neutron stars and may be rather abundant among…
Angular Momentum Changes Due to Direct Impact Accretion in a Simplified Binary System
Jeremy F. Sepinsky, Bart Willems, Vassiliki Kalogera +1
We model a circular mass-transferring binary system to calculate the exchange of angular momentum between stellar spins and the orbit due to direct impact of the mass transfer stre…
Tidal Evolution of Close-in Planets
Soko Matsumura, Stanton J. Peale, Frederic A. Rasio
Recent discoveries of several transiting planets with clearly non-zero eccentricities and some large inclinations started changing the simple picture of close-in planets having cir…
Interacting Binaries with Eccentric Orbits. III. Orbital Evolution due to Direct Impact and Self-Accretion
J. F. Sepinsky, B. Willems, V. Kalogera +1
The rapid circularization and synchronization of the stellar components in an eccentric binary system at the onset of Roche lobe overflow (RLO) is a fundamental assumption common t…