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We conducted a Doppler survey at Keck combined with NIRC2 K-band AO imaging to search for massive, long-period companions to 123 known exoplanet systems with one or two planets detected using the radial velocity (RV) method. Our survey is…

We present the Kepler Object of Interest (KOI) catalog of transiting exoplanets based on searching four years of Kepler time series photometry (Data Release 25, Q1-Q17). The catalog contains 8054 KOIs of which 4034 are planet candidates…

The high-precision photometry from NASA's Kepler and TESS missions has revolutionized exoplanet detection, enabling the discovery of over 5500 confirmed exoplanets via the transit method and around 10000 additional candidates awaiting…

地球与行星天体物理 · 物理学 2025-12-02 Sarah Huang , Chen Jiang

We present the results of a uniform search for additional planets around all stars with confirmed hot Jupiters observed by the Transiting Exoplanet Survey Satellite (TESS) in its Cycle 1 survey of the southern ecliptic hemisphere. Our…

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…

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…

Short-period super-Earths and mini-Neptunes encircle more than $\sim50\%$ of Sun-like stars and are relatively amenable to direct observational characterization. Despite this, environments in which these planets accrete are difficult to…

地球与行星天体物理 · 物理学 2023-05-04 Max Goldberg , Konstantin Batygin

We produce and analyze eclipse time variation (ETV) curves for some 2600 Kepler binaries. We find good to excellent evidence for a third body in 222 systems via either the light-travel-time (LTTE) or dynamical effect delays. Approximately…

太阳与恒星天体物理 · 物理学 2015-12-16 T. Borkovits , T. Hajdu , J. Sztakovics , S. Rappaport , A. Levine , I. B. Bíró , P. Klagyivik

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…

地球与行星天体物理 · 物理学 2017-04-05 Joseph R. Schmitt , Jon M. Jenkins , Debra A. Fischer

Of the approximately 350 extrasolar planets currently known, of order 10% orbit evolved stars with radii R >~ 2.5 R_sun. These planets are of particular interest because they tend to orbit more massive hosts, and have been subjected to…

地球与行星天体物理 · 物理学 2011-02-11 R. J. Assef , B. S. Gaudi , K. Z. Stanek

Currently, we have only limited means to probe the presence of planets at large orbital separations. Foreman-Mackey et al. searched for long-period transiting planets in the Kepler light curves using an automated pipeline. Here, we apply…

地球与行星天体物理 · 物理学 2019-07-17 Miranda K. Herman , Wei Zhu , Yanqin Wu

We determined new linear ephemerides of transiting exoplanets using long-cadence de-trended data from quarters Q1 to Q17 of Kepler mission. We analysed TTV diagrams of 2098 extrasolar planets. The TTVs of 121 objects were excluded (because…

地球与行星天体物理 · 物理学 2019-02-27 Pavol Gajdoš , Martin Vaňko , Štefan Parimucha

Much of the exoplanet discovery efforts over the next several years are largely tasked with finding candidates for the upcoming Ariel mission. This is a role that TESS is well-suited for. Radial velocity follow-up is needed to confirm the…

地球与行星天体物理 · 物理学 2023-10-20 Thomas Tarrants , Elvis Mendes

Doppler planet searches revealed that many giant planets orbit close to their host star or in highly eccentric orbits. These and subsequent observations inspired new theories of planet formation that invoke gravitation interactions in…

地球与行星天体物理 · 物理学 2015-06-19 Eric B. Ford

Multi-planet systems produce a wealth of information for exoplanet science, but our understanding of planetary architectures is incomplete. Probing these systems further will provide insight into orbital architectures and formation…

地球与行星天体物理 · 物理学 2020-08-19 Jeremy Dietrich , Daniel Apai

Using the EVEREST photometry pipeline, we have identified 74 candidate ultra-short-period planets (orbital period P<1 d) in the first half of the K2 data (Campaigns 0-8 and 10). Of these, 33 candidates have not previously been reported. A…

We visually analyzed the Transit Timing Variation (TTV) data of 5930 Kepler Objects of Interest (KOIs) homogeneously. Using data from Rowe et al. 2014 and Holczer et al. 2016, we investigated TTVs for KOIs in Kepler's Data Release 24…

地球与行星天体物理 · 物理学 2019-04-17 Mackenzie Kane , Darin Ragozzine , Xzavier Flowers , Tomer Holczer , Tsevi Mazeh , Howard M. Relles

TESS is finding transiting planet candidates around bright, nearby stars across the entire sky. The large field-of-view, however, results in low spatial resolution, therefore multiple stars contribute to almost every TESS light curve.…

地球与行星天体物理 · 物理学 2020-01-08 Carl Ziegler , Andrei Tokovinin , Cesar Briceno , James Mang , Nicholas Law , Andrew W. Mann

We conducted a search for very short-period transiting objects in the publicly available Kepler dataset. Our preliminary survey has revealed four planetary candidates, all with orbital periods less than twelve hours. We have analyzed the…

地球与行星天体物理 · 物理学 2015-06-16 Brian Jackson , Christopher C. Stark , Elisabeth R. Adams , John Chambers , Drake Deming