Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21820305f&link_type=abstract
American Astronomical Society, AAS Meeting #218, #203.05; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The host stars of planetary candidates from Kepler are typically faint, so the radial velocity technique will have difficulty confirming them and measuring their masses. The transit timing technique potentially has the sensitivity required, but for systems with one transiting planet it can be hampered by model degeneracies. However, with Kepler's unanticipated discovery of 170 multiply-transiting planetary systems, transit timing can now solve various well-posed problems. We demonstrate how the separation of two transiting planets from a resonance determines the timescale and character of timing deviations, how the perturbations from more than one planet can add quite linearly, and how these properties allow us to solve for planetary masses.
Fabrycky Daniel C.
Kepler Team
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