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Photometric surveys such as Kepler have the precision to identify exoplanet and eclipsing binary candidates from only a single transit. K2, with its 75d campaign duration, is ideally suited to detect significant numbers of single-eclipsing…

We analyze a sample of multiple-exoplanet systems which contain at least 3 transiting planets detected by the Kepler mission ("Kepler multiples"). We use a generalized Titius-Bode relation to predict the periods of 228 additional planets in…

地球与行星天体物理 · 物理学 2015-06-23 Timothy Bovaird , Charles H. Lineweaver , Steffen K. Jacobsen

Two decades ago, empirical evidence concerning the existence and frequency of planets around stars, other than our own, was absent. Since this time, the detection of extrasolar planets from Jupiter-sized to most recently Earth-sized worlds…

地球与行星天体物理 · 物理学 2015-06-03 David M. Kipping , Gáspár Á. Bakos , Lars A. Buchhave , David Nesvorny , Allan Schmitt

Due to their high equilibrium temperatures ($T_{eq}$ $>$ 2000 K), ultra-hot Jupiters (UHJs) are the best characterized exoplanets to date. However, many questions about their formation, evolution, and atmospheres remain unanswered. Phase…

地球与行星天体物理 · 物理学 2025-12-22 Kaz Gary , Ji Wang , Anusha Pai Asnodkar , Ian Wong

We perform a homogeneous search for and analysis of optical occultations and phase variations of the most favorable ultra-short-period (USP) ($P<1$~d) sub-Neptunes ($R_{p}<4 R_{\oplus}$) observed by $\textit{Kepler}$ and K2, with the aim of…

地球与行星天体物理 · 物理学 2022-03-14 Vikash Singh , A. S. Bonomo , G. Scandariato , N. Cibrario , D. Barbato , L. Fossati , I. Pagano , A. Sozzetti

I calculate the physical properties of 32 transiting extrasolar planet and brown dwarf systems from existing photometric observations and measured spectroscopic parameters. The systems studied include fifteen observed by CoRoT, ten by…

地球与行星天体物理 · 物理学 2015-05-28 John Southworth

The coolest dwarf stars targeted by the Kepler Mission constitute a relatively small but scientifically valuable subset of the Kepler target stars, and provide a high-fidelity and nearby sample of transiting planetary systems. Using…

地球与行星天体物理 · 物理学 2015-03-05 Jonathan J. Swift , Benjamin T. Montet , Andrew Vanderburg , Timothy Morton , Philip S. Muirhead , John Asher Johnson

Detecting and characterizing the atmospheres of rocky exoplanets has proven to be challenging for JWST. Transit spectroscopy of the TRAPPIST-1 planets has been impacted by the effects of spots and faculae on the host star. Secondary…

Transiting extrasolar planets constitute only a small fraction of the range of stellar systems found to display periodic, shallow dimmings in wide-field surveys employing small-aperture camera arrays. Here we present an efficient selection…

Despite the importance of Jupiter and Saturn to Earth's formation and habitability, there has not yet been a comprehensive observational study of how giant exoplanets correlate with the architectural properties of close-in,…

We describe a new metric that uses machine learning to determine if a periodic signal found in a photometric time series appears to be shaped like the signature of a transiting exoplanet. This metric uses dimensionality reduction and…

We present the results from a search of data from the first 33.5 days of the Kepler science mission (Quarter 1) for exoplanet transits by the Planet Hunters citizen science project. Planet Hunters enlists members of the general public to…

We present a framework to conservatively estimate the probability that any particular planet-like transit signal observed by the Kepler mission is in fact a planet, prior to any ground-based follow-up efforts. We use Monte Carlo methods…

地球与行星天体物理 · 物理学 2015-05-27 Timothy D. Morton , John Asher Johnson

Some theories of planet formation and evolution predict that intermediate-mass stars host more hot Jupiters than Sun-like stars, others reach the conclusion that such objects are very rare. By determining the frequencies of those planets we…

地球与行星天体物理 · 物理学 2019-08-14 Silvia Sabotta , Petr Kabath , Judith Korth , Eike W. Guenther , Daniel Dupkala , Sascha Grziwa , Tereza Klocova , Marek Skarka

We simulate a Kepler-like observation of a theoretical exoplanet population and we show that the observed orbital period distribution of the Kepler giant planet candidates is best matched by an average stellar specific dissipation function…

地球与行星天体物理 · 物理学 2015-05-20 Kevin C. Schlaufman , D. N. C. Lin , S. Ida

We present a comprehensive analysis of planetary phase variations, including possible planetary light offsets, using eighteen quarters of data from the Kepler space telescope. After correcting for systematics, we found fourteen systems with…

地球与行星天体物理 · 物理学 2015-05-27 Lisa J. Esteves , Ernst J. W. De Mooij , Ray Jayawardhana

Among the ways that an outer giant planet can alter the architecture of an inner planetary system is by tilting the orbits of the inner planets and reducing their mutual transit probabilities. Here, we report on an example of this…

地球与行星天体物理 · 物理学 2025-04-18 Caleb Lammers , Joshua N. Winn

We have analyzed Kepler light curves for 849 stars with T_eff < 5200 K from our Cycle 1 Guest Observer program. We identify six new eclipsing binaries, one of which has an orbital period of 29.91 d, and two of which are probably W UMa…

太阳与恒星天体物理 · 物理学 2015-06-03 T. E. Harrison , J. L. Coughlin , N. M. Ule , M. Lopez-Morales

Photometric survey data from the Kepler mission have been used to discover and characterize thousands of transiting exoplanet and eclipsing binary (EB) systems. These discoveries have enabled empirical studies of occurrence rates which…

地球与行星天体物理 · 物理学 2018-02-21 Daryll M. LaCourse , Thomas L. Jacobs