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Mean motion resonances from planet-planet scattering
Sean N. Raymond, Rory Barnes, Philip J. Armitage +1
Planet-planet scattering is the leading mechanism to explain the large eccentricities of the observed exoplanet population. However, scattering has not been considered important to…
Planetary Transits and Tidal Evolution
Brian Jackson, Rory Barnes, Richard Greenberg
Transiting planets are generally close enough to their host stars that tides may govern their orbital and thermal evolution of these planets. We present calculations of the tidal e…
A dynamical perspective on additional planets in 55 Cancri
Sean N. Raymond, Rory Barnes, Noel Gorelick
Five planets are known to orbit the star 55 Cancri. The recently-discovered planet f at 0.78 AU (Fischer et al. 2008) is located at the inner edge of a previously-identified stable…
Tidal Heating of Terrestrial Extra-Solar Planets and Implications for their Habitability
Brian Jackson, Rory Barnes, Richard Greenberg
The tidal heating of hypothetical rocky (or terrestrial) extra-solar planets spans a wide range of values depending on stellar masses and initial orbits. Tidal heating may be suffi…
Tides and the Evolution of Planetary Habitability
Rory Barnes, Sean N. Raymond, Brian Jackson +1
Tides raised on a planet by its host star's gravity can reduce a planet's orbital semi-major axis and eccentricity. This effect is only relevant for planets orbiting very close to…
The Successful Prediction of the Extrasolar Planet HD 74156 d
Rory Barnes, Krzysztof Gozdziewski, Sean N. Raymond
Most of the first-discovered extrasolar multi-planet systems were found to lie close to dynamically unstable configurations. However a few observed multi-planet systems (e.g. HD 74…