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High contrast direct imaging of exoplanets can provide many important observables, including measurements of the orbit, spectra that probe the lower layers of the atmosphere, and phase variations of the planet, but cannot directly measure…

Earth and Planetary Astrophysics · Physics 2020-06-10 Christopher C. Stark , Courtney Dressing , Shannon Dulz , Eric Lopez , Mark S. Marley , Peter Plavchan , Johannes Sahlmann

Observations of exoplanetary systems provide clues about the intrinsic distribution of planetary systems, their architectures, and how they formed. We develop a forward modelling framework for generating populations of planetary systems and…

Earth and Planetary Astrophysics · Physics 2019-11-18 Matthias Y. He , Eric B. Ford , Darin Ragozzine

In the identification of new planetary candidates in transit surveys, the employment of Deep Learning models proved to be essential to efficiently analyse a continuously growing volume of photometric observations. To further improve the…

The photoevaporation model is one of the leading explanations for the evolution of small, close-in planets and the origin of the radius-valley. However, without planet mass measurements, it is challenging to test the photoevaporation…

Earth and Planetary Astrophysics · Physics 2020-01-08 James Owen , Beatriz Campos Estrada

With over 5,000 exoplanets currently detected, there is a need for a primary classification method to prioritise candidates for biosignature observations. Here, we develop a classification method to categorise rocky exoplanets based on…

Earth and Planetary Astrophysics · Physics 2023-01-25 Sarah R. N. McIntyre , Penelope L. King , Franklin P. Mills

Detection of a planetary ring of exoplanets remains as one of the most attractive but challenging goals in the field. We present a methodology of a systematic search for exoplanetary rings via transit photometry of long-period planets. The…

Earth and Planetary Astrophysics · Physics 2017-04-05 Masataka Aizawa , Sho Uehara , Kento Masuda , Hajime Kawahara , Yasushi Suto

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…

The Kepler mission has provided high-accurate photometric data in a long time span for more than two hundred thousands stars, looking for planetary transits. Among the detected candidates, the planetary nature of around 15% has been…

Earth and Planetary Astrophysics · Physics 2015-04-15 J. Lillo-Box , D. Barrado , L. Mancini , Th. Henning , P. Figueira , S. Ciceri , N. Santos

We present Kepler exoplanet occurrence rates for planets between $0.5-16$ R$_\oplus$ and between $1-400$ days. To measure occurrence, we use a non-parametric method via a kernel density estimator and use bootstrap random sampling for…

Earth and Planetary Astrophysics · Physics 2023-08-02 Anne Dattilo , Natalie M. Batalha , Steve Bryson

We provide the first full K2 transiting exoplanet sample, using photometry from Campaigns 1-8 and 10-18, derived through an entirely automated procedure. This homogeneous planet candidate catalog is a crucial to perform a robust demographic…

Though free-floating planets (FFPs) may outpopulate their bound counterparts in the terrestrial-mass range, they remain one of the least explored exoplanet demographics. Due to their negligible electromagnetic emission at all wavelengths,…

Earth and Planetary Astrophysics · Physics 2025-10-14 Michelle Kunimoto , William DeRocco , Nolan Smyth , Steve Bryson , B. Scott Gaudi

The Transiting Exoplanet Survey Satellite (TESS) has now been operational for a little over two years, covering the Northern and the Southern hemispheres once. The TESS team processes the downlinked data using the Science Processing…

Earth and Planetary Astrophysics · Physics 2021-02-23 Sriram Rao , Ashish Mahabal , Niyanth Rao , Cauligi Raghavendra

We search for transits around all known pulsating {\delta} Sct variables (6500 K < Teff < 10 000 K) in the long-cadence Kepler data after subtracting the pulsation signal through an automated routine. To achieve this, we devise a simple and…

Solar and Stellar Astrophysics · Physics 2021-10-27 Daniel R. Hey , Benjamin T. Montet , Benjamin J. S. Pope , Simon J. Murphy , Timothy R. Bedding

The Kepler Mission is uniquely suited to study the frequencies of extrasolar planets. This goal requires knowledge of the incidence of false positives such as eclipsing binaries in the background of the targets, or physically bound to them,…

We exploit high quality photometry from the EVEREST pipeline to evaluate false-positive exoplanet candidates from the K2 mission. We compare the practical capabilities of EVEREST's pixel-level decorrelation scheme to the data analysis…

Earth and Planetary Astrophysics · Physics 2019-01-09 Michael Greklek-McKeon , Drake Deming

One of the primary mission goals of the Kepler space telescope is to detect Earth-like terrestrial planets in the habitable zone around Sun-like stars. Unfortunately, such planets are at the detection limit. Estimating their statistical…

Earth and Planetary Astrophysics · Physics 2025-09-10 Jakob Robnik , Uroš Seljak

The true multiplicity distribution of transiting planet systems is obscured by strong observational biases, leading low-multiplicity systems to be overrepresented in the observed sample. Using the Kepler FGK planet hosts, we employ…

Earth and Planetary Astrophysics · Physics 2019-09-25 Emily Sandford , David Kipping , Michael Collins

Up to date planet ephemerides are becoming increasingly important as exoplanet science moves from detecting exoplanets to characterising their architectures and atmospheres in depth. In this work ephemerides are updated for 22 Kepler…

Earth and Planetary Astrophysics · Physics 2021-03-17 Matthew P. Battley , Michelle Kunimoto , David J. Armstrong , Don Pollacco

Recent discoveries of transiting giant exoplanets around M-dwarf stars (GEMS), aided by the all-sky coverage of TESS, are starting to stretch theories of planet formation through the core-accretion scenario. Recent upper limits on their…

As of August 2019, among the more than 4000 confirmed exoplanets, only one has been detected in a globular cluster (GC) M4. The scarce of exoplanet detections motivates us to employ direct $N$-body simulations to investigate the dynamical…

Earth and Planetary Astrophysics · Physics 2019-09-11 Maxwell Xu Cai , S. Portegies Zwart , M. B. N. Kouwenhoven , Rainer Spurzem