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Stellar Spin-Orbit Misalignment in a Multiplanet System
Daniel Huber, Joshua A. Carter, Mauro Barbieri +32
Stars hosting hot Jupiters are often observed to have high obliquities, whereas stars with multiple co-planar planets have been seen to have low obliquities. This has been interpre…
Stability of Satellites in Closely Packed Planetary Systems
Matthew J. Payne, Katherine M. Deck, Matthew J. Holman +1
We perform numerical integrations of four-body (star, planet, planet, satellite) systems to investigate the stability of satellites in planetary Systems with Tightly-packed Inner P…
First order resonance overlap and the stability of close two planet systems
Katherine M. Deck, Matthew Payne, Matthew J. Holman
Motivated by the population of multi-planet systems with orbital period ratios 1<P2/P1<2, we study the long-term stability of packed two planet systems. The Hamiltonian for two mas…
All Six Planets Known to Orbit Kepler-11 Have Low Densities
Jack J. Lissauer, Daniel Jontof-Hutter, Jason F. Rowe +14
The Kepler-11 planetary system contains six transiting planets ranging in size from 1.8 to 4.2 times the radius of Earth. Five of these planets orbit in a tightly-packed configurat…
Triple-Star Candidates Among the Kepler Binaries
S. Rappaport, K. Deck, A. Levine +5
We present the results of a search through the photometric database of eclipsing Kepler binaries (Prsa et al. 2011; Slawson et al. 2011) looking for evidence of hierarchical triple…