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arxiv: 1201.5412 · v1 · submitted 2012-01-25 · 🌌 astro-ph.EP

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Transit Timing Observations from Kepler: III. Confirmation of 4 Multiple Planet Systems by a Fourier-Domain Study of Anti-correlated Transit Timing Variations

Jason H. Steffen (1) , Daniel C. Fabrycky (2 , 3) , Eric B. Ford (4) , Joshua A. Carter (5 , Jean-Michel Desert (5) , Francois Fressin (5) , Matthew J. Holman (5)
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Jack J. Lissauer (6) Althea V. Moorhead (1) Jason F. Rowe (7 6) Darin Ragozzine (5) William F. Welsh (8) Natalie M. Batalha (9) William J. Borucki (6) Lars A. Buchhave (18) Steve Bryson (6) Douglas A. Caldwell (7 David Charbonneau (5) David R. Ciardi (8) William D. Cochran (20) Michael Endl (20) Mark E. Everett (15) Thomas N. Gautier III (11) Ron L. Gilliland (21) Forrest R. Girouard (6 22) Jon M. Jenkins (7 Elliott Horch (16) Steve B. Howell (6) Howard Isaacson (13) Todd C. Klaus (6 David G. Koch (6) David W. Latham (5) Jie Li (7 Philip Lucas (12) Phillip J. MacQueen (20) Geoffrey W. Marcy (13) Sean McCauliff (10) Christopher K. Middour (6 Robert L. Morris (7 Fergal R. Mullally (7 Samuel N. Quinn (5) Elisa V. Quintana (7 Avi Shporer (17 18) Martin Still (17 Peter Tenenbaum (7 Susan E. Thompson (7 Joseph D. Twicken (7 Jeffery Van Cleve (7 6) ((1) Fermilab Center for Particle Astrophysics Batavia IL (2) UCO/Lick Observatory University of California Santa Cruz (3) Hubble Fellow (4) Astronomy Department University of Florida (5) Harvard-Smithsonian Center for Astrophysics (6) NASA Ames Research Center (7) SETI Institute (8) NASA Exoplanet Science Institute/California Institute of Technology (9) Astronomy Department San Diego State University (10) San Jose State University (11) Jet Propulsion Laboratory/California Institute of Technology (12) Centre for Astrophysics Research University of Hertfordshire (13) University of California Berkeley (14) Bay Area Environmental Research Institute/NASA Ames Research Center (15) National Optical Astronomy Observatory (16) Department of Physics Southern Connecticut State University (17) Las Cumbres Observatory Global Telescope (18) Department of Physics (19) Niels Bohr Institute Copenhagen University (20) McDonald Observatory The University of Texas (21) Space Telescope Science Institute Baltimore (22) Orbital Sciences Corporation/NASA Ames Research Center)
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classification 🌌 astro-ph.EP
keywords transitsystemsdynamicalfourier-domainmethodmultipleplanetplanetary
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We present a method to confirm the planetary nature of objects in systems with multiple transiting exoplanet candidates. This method involves a Fourier-Domain analysis of the deviations in the transit times from a constant period that result from dynamical interactions within the system. The combination of observed anti-correlations in the transit times and mass constraints from dynamical stability allow us to claim the discovery of four planetary systems Kepler-25, Kepler-26, Kepler-27, and Kepler-28, containing eight planets and one additional planet candidate.

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