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Published September 10, 2012 | Published
Journal Article Open

Transit Timing Observations from Kepler. VI. Potentially Interesting Candidate Systems from Fourier-based Statistical Tests

Abstract

We analyze the deviations of transit times from a linear ephemeris for the Kepler Objects of Interest (KOI) through quarter six of science data. We conduct two statistical tests for all KOIs and a related statistical test for all pairs of KOIs in multi-transiting systems. These tests identify several systems which show potentially interesting transit timing variations (TTVs). Strong TTV systems have been valuable for the confirmation of planets and their mass measurements. Many of the systems identified in this study should prove fruitful for detailed TTV studies.

Additional Information

© 2012 American Astronomical Society. Received 2012 January 9; accepted 2012 June 20; published 2012 August 27. Funding for this mission is provided by NASA's Science Mission Directorate. J.H.S. acknowledges support by NASA under grant NNX08AR04G issued through the Kepler Participating Scientist Program. D.C.F. and J.A.C. acknowledge that support for this work was provided by NASA through Hubble Fellowship grants HF-51272.01-A and HF-51267.01-A awarded by the Space Telescope Science Institute, operated by the Association of Universities for Research in Astronomy, Inc., for NASA, under contract NAS 5-26555.

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