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The direct detection of new extrasolar planets from high-precision photometry data is commonly based on the observation of the transit signal of the planet as it passes in front of its star. Close-in planets, however, leave additional…

Earth and Planetary Astrophysics · Physics 2021-10-04 J. Lillo-Box , S. Millholland , G. Laughlin

If a transiting exoplanet has a moon, that moon could be detected directly from the transit it produces itself, or indirectly via the transit timing variations it produces in its parent planet. There is a range of parameter space where the…

Earth and Planetary Astrophysics · Physics 2021-01-01 Chris Fox , Paul Wiegert

Surveys have revealed many multi-planet systems containing super-Earths and Neptunes in orbits of a few days to a few months. There is debate whether in situ assembly or inward migration is the dominant mechanism of the formation of such…

Earth and Planetary Astrophysics · Physics 2016-12-23 Sean M. Mills , Daniel C. Fabrycky , Cezary Migaszewski , Eric B. Ford , Erik Petigura , Howard Isaacson

Radial velocity (RV) surveys have discovered giant exoplanets on au-scale orbits with a broad distribution of eccentricities. Those with the most eccentric orbits are valuable laboratories for testing theories of high eccentricity…

In transiting planetary systems, where planetary sizes are accurately determined from transit observations, the presence of transit timing variations (TTVs), especially when combined with radial velocity (RV) data, provides powerful…

We present a new transit timing catalog of 2599 Kepler Objects of Interest (=KOIs), using the PDC-MAP long-cadence light curves that include the full seventeen quarters of the mission (ftp://wise- ftp.tau.ac.il/pub/tauttv/TTV/ver_112). The…

During its four years of photometric observations, the Kepler space telescope detected thousands of exoplanets and exoplanet candidates. One of Kepler's greatest heritages has been the confirmation and characterization of hundreds of…

Transit Timing Variations (TTVs) can provide useful information on compact multi-planetary systems observed by transits, by putting constraints on the masses and eccentricities of the observed planets. This is especially helpful when the…

Earth and Planetary Astrophysics · Physics 2024-05-24 A. Leleu , J. -B. Delisle , S. Udry , R. Mardling , M. Turbet , J. A. Egger , Y. Alibert , G. Chatel , P. Eggenberger , M. Stalport

We present the detection and characterization of the two new transiting, close-in, giant extrasolar planets KOI-200b and KOI-889b. They were first identified by the Kepler team as promising candidates from photometry of the Kepler…

Earth and Planetary Astrophysics · Physics 2015-06-15 G. Hebrard , J. -M. Almenara , A. Santerne , M. Deleuil , C. Damiani , A. S. Bonomo , F. Bouchy , G. Bruno , R. F. Diaz , G. Montagnier , C. Moutou

Radial-velocity observations of Kepler candidates obtained with the SOPHIE and HARPS-N spectrographs have permitted unveiling the nature of the five giant planets Kepler-41b, Kepler-43b, Kepler-44b, Kepler-74b, and Kepler-75b, the massive…

Earth and Planetary Astrophysics · Physics 2015-03-04 A. S. Bonomo , A. Sozzetti , A. Santerne , M. Deleuil , J. -M. Almenara , G. Bruno , R. F. Díaz , G. Hébrard , C. Moutou

We present the results of a search for planetary companions orbiting near hot Jupiter planet candidates (Jupiter-size candidates with orbital periods near 3 days) identified in the Kepler data through its sixth quarter of science…

Space-based photometric missions widely use statistical validation tools for vetting transiting planetary candidates, particularly when other traditional methods of planet confirmation are unviable. In this paper, we refute the planetary…

Earth and Planetary Astrophysics · Physics 2022-03-30 Prajwal Niraula , Avi Shporer , Ian Wong , Julien de Wit

Recent analyses of Kepler space telescope data reveal that transiting planets with orbital periods shorter than about 2-3 days are generally observed around late-type stars with rotation periods longer than about 5-10 days. We investigate…

Earth and Planetary Astrophysics · Physics 2015-06-19 A. F. Lanza , E. L. Shkolnik

The relatively recent detections of the first three transiting super-Earths mark the beginning of a subfield within exoplanets that is both fruitful and challenging. The first step into characterizing these objects is to infer their…

Earth and Planetary Astrophysics · Physics 2015-05-27 Diana Valencia

We present two new planetary systems found around cool dwarf stars with data from the K2 mission. The first system was found in K2-239 (EPIC 248545986), char- acterized in this work as M3.0V and observed in the 14th campaign of K2. It…

We report the discovery of Kepler-77b (alias KOI-127.01), a Saturn-mass transiting planet in a 3.6-day orbit around a metal-rich solar-like star. We combined the publicly available Kepler photometry (quarters 1-13) with high-resolution…

Population studies of Kepler's multi-planet systems have revealed a surprising degree of structure in their underlying architectures. Information from a detected transiting planet can be combined with a population model to make predictions…

Earth and Planetary Astrophysics · Physics 2021-11-03 Matthias Y. He , Eric B. Ford , Darin Ragozzine

Many Kepler multiplanet systems have planet pairs near low-order, mean-motion resonances. In addition, many Kepler multiplanet systems have planets with orbital periods less than a few days. With the exception of Kepler-42, however, there…

Earth and Planetary Astrophysics · Physics 2015-06-16 Jason H. Steffen , Will Farr

The vast majority of the 4700 confirmed planets and planet candidates discovered by the Kepler mission were first found by the Kepler pipeline. In the pipeline, after a transit signal is found, all data points associated with those transits…

Earth and Planetary Astrophysics · Physics 2017-04-05 Joseph R. Schmitt , Jon M. Jenkins , Debra A. Fischer

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…

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