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The Possible Moon of Kepler-90g is a False Positive
David M. Kipping, Chelsea X. Huang, David Nesvorny +4
The discovery of an exomoon would provide deep insights into planet formation and the habitability of planetary systems, with transiting examples being particularly sought after. O…
Kepler-432: a red giant interacting with one of its two long period giant planets
Samuel N. Quinn, Timothy R. White, David W. Latham +28
We report the discovery of Kepler-432b, a giant planet () transiting an evolved star $(M_\star =…
Formation, Habitability, and Detection of Extrasolar Moons
René Heller, Darren Williams, David Kipping +9
The diversity and quantity of moons in the Solar System suggest a manifold population of natural satellites exist around extrasolar planets. Of peculiar interest from an astrobiolo…
Bayesian priors for the eccentricity of transiting planets
David M. Kipping
Planets on eccentric orbits have a higher geometric probability of transiting their host star. By application of Bayes' theorem, we reverse this logic to show that the eccentricity…
Discovery of a Transiting Planet Near the Snow-Line
David M. Kipping, Guillermo Torres, Lars A. Buchhave +8
In most theories of planet formation, the snow-line represents a boundary between the emergence of the interior rocky planets and the exterior ice giants. The wide separation of th…
spotrod: a semi-analytic model for transits of spotted stars
Bence Béky, David M. Kipping, Matthew J. Holman
The Hubble Space Telescope (HST) and the Kepler space mission observed a large number of planetary transits showing anomalies due to starspot eclipses, with more such observations…
Photo-Dynamical Analysis of Three Kepler Objects of Interest with Significant Transit Timing Variations
David Nesvorny, David Kipping, Dirk Terrell +1
KOI-227, KOI-319 and KOI-884 are identified here as (at least) two planet systems. For KOI-319 and KOI-884, the observed Transit Timing Variations (TTVs) of the inner transiting pl…
In Search of Exomoons
David M. Kipping
Two decades ago, astronomers began detecting planets orbiting stars other than our Sun, so-called exoplanets. Since that time, the rate of detections and the sensitivity to ever-sm…
Flicker as a tool for characterizing planets through Asterodensity Profiling
David M. Kipping, Fabienne A. Bastien, Keivan G. Stassun +3
Variability in the time series brightness of a star on a timescale of 8 hours, known as 'flicker', has been previously demonstrated to serve as a proxy for the surface gravity of a…
The Hunt for Exomoons with Kepler (HEK): IV. A Search for Moons around Eight M-Dwarfs
David M. Kipping, David Nesvorny, Lars A. Buchhave +3
With their smaller radii and high cosmic abundance, transiting planets around cool stars hold a unique appeal. As part of our on-going project to measure the occurrence rate of ext…
A High False Positive Rate for Kepler Planetary Candidates of Giant Stars using Asterodensity Profiling
David H. Sliski, David M. Kipping
Asterodensity Profiling (AP) is a relatively new technique for studying transit light curves. By comparing the mean stellar density derived from the transit light curve to that fou…