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Kepler-444 is a five planet system around a host-star approximately 11 billion years old. The five transiting planets all have sub-Earth radii and are in a compact configuration with orbital periods between 3 and 10 days. Here we present a…

Earth and Planetary Astrophysics · Physics 2017-04-05 Sean M. Mills , Daniel C. Fabrycky

Recently, the Kepler Space Telescope has detected several planets in orbit around a close binary star system. These so-called circumbinary planets will experience non-trivial spatial and temporal distributions of radiative flux on their…

Earth and Planetary Astrophysics · Physics 2015-05-27 Duncan H. Forgan , Alexander Mead , Charles S. Cockell , John A. Raven

Hitherto, six P-type planets are found around five binary systems, i.e. Kepler-16 b, 34 b, 35 b, 38 b, 47 b, c, which are all Neptune or Jupiter-like planets. The stability of planets and the habitable zones are influenced by the…

Earth and Planetary Astrophysics · Physics 2013-04-11 Hui-Gen Liu , Hui Zhang , Ji-Lin Zhou

We present a statistical analysis that demonstrates that the overwhelming majority of Kepler candidate multiple transiting systems (multis) indeed represent true, physically-associated transiting planets. Binary stars provide the primary…

Kepler-33 hosts five validated transiting planets ranging in period from 5 to 41 days. The planets are in nearly co-planar orbits and exhibit remarkably similar (appropriately scaled) transit durations indicative of similar impact…

Earth and Planetary Astrophysics · Physics 2022-11-16 James Sikora , Jason Rowe , Daniel Jontof-Hutter , Jack J. Lissauer

We analyze data from the Quarter 1-17 Data Release 24 (Q1--Q17 DR24) planet candidate catalog from NASA's Kepler mission, specifically comparing systems with single transiting planets to systems with multiple transiting planets, and…

Earth and Planetary Astrophysics · Physics 2016-11-09 Jason H. Steffen , Jeffrey L. Coughlin

We investigated the underlying architecture of planetary systems by deriving the distribution of planet multiplicity (number of planets) and the distribution of orbital inclinations based on the sample of planet candidates discovered by the…

Earth and Planetary Astrophysics · Physics 2015-06-05 Julia Fang , Jean-Luc Margot

KIC 7177553 was observed by the Kepler satellite to be an eclipsing eccentric binary star system with an 18-day orbital period. Recently, an eclipse timing study of the Kepler binaries has revealed eclipse timing variations in this object…

Solar and Stellar Astrophysics · Physics 2016-03-16 H. Lehmann , T. Borkovits , S. A. Rappaport , H. Ngo , D. Mawet , Sz. Csizmadia , E. Forgacs-Dajka

We announce the detection of two new planetary-mass companions around Kepler-451 binary system in addition to the one detected previously based on eclipse timing variation analysis. We found that an inner planet with 43 d period with a…

Earth and Planetary Astrophysics · Physics 2022-11-02 Ekrem Murat Esmer , Özgür Baştürk , Selim Osman Selam , Sinan Aliş

We report on the orbital architectures of Kepler systems having multiple planet candidates identified in the analysis of data from the first six quarters of Kepler data and reported by Batalha et al. (2013). These data show 899 transiting…

Many short-period binary stars have distant orbiting companions that have played a role in driving the binary components into close separation. Indirect detection of a tertiary star is possible by measuring apparent changes in eclipse times…

Solar and Stellar Astrophysics · Physics 2015-10-08 D. R. Gies , R. A. Matson , Z. Guo , K. V. Lester , J. A. Orosz , G. J. Peters

Kepler-730 is a planetary system hosting a statistically validated hot Jupiter in a 6.49-day orbit and an additional transiting candidate in a 2.85-day orbit. We use spectroscopic radial velocities from the APOGEE-2N instrument, Robo-AO…

We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler-5 (KIC 8191672, Teff=6300 K, logg=4.1), which exhibits periodic transits with a depth of 0.7%. Detailed modeling of the transit is consistent…

We present results of a study on identifying circumbinary planet candidates that produce multiple transits during one conjunction with eclipsing binary systems. The occurrence of these transits enables us to estimate the candidates' orbital…

Transiting circumbinary planets discovered by Kepler provide unique insight into binary star and planet formation. Several features of this new found population, for example the apparent pile-up of planets near the innermost stable orbit,…

Earth and Planetary Astrophysics · Physics 2016-06-15 Rachel A. Smullen , Kaitlin M. Kratter , Andrew Shannon

We report the discovery and confirmation of a transiting circumbinary planet (PH1b) around KIC 4862625, an eclipsing binary in the Kepler field. The planet was discovered by volunteers searching the first six Quarters of publicly available…

Determining whether Earth-like planets are common or rare looms as a touchstone in the question of life in the universe. We searched for Earth-size planets that cross in front of their host stars by examining the brightness measurements of…

Earth and Planetary Astrophysics · Physics 2013-11-27 Erik A. Petigura , Andrew W. Howard , Geoffrey W. Marcy