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The analysis of non-variable stars is generally neglected in the literature. However, such objects are needed for many calibration processes and for testing pulsational models. The photometric time series of the Kepler satellite mission…

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

Research into light curves from stars (temporal variation of brightness) has completely changed how exoplanets are discovered or characterised. This study including star light curves from the Kepler dataset as a way to discover exoplanets…

地球与行星天体物理 · 物理学 2025-06-24 Krishna Chamarthy

We present the results of a survey aimed at discovering and studying transiting planets with orbital periods shorter than one day (ultra--short-period, or USP, planets), using data from the {\em Kepler} spacecraft. We computed Fourier…

地球与行星天体物理 · 物理学 2015-06-19 Roberto Sanchis-Ojeda , Saul Rappaport , Joshua N. Winn , Michael C. Kotson , Alan M. Levine , Ileyk El Mellah

We present the results of a search for potential transit signals in the first three quarters of photometry data acquired by the Kepler Mission. The targets of the search include 151,722 stars which were observed over the full interval and…

The Robo-AO Kepler Planetary Candidate Survey is designed to observe every Kepler planet candidate host star with laser adaptive optics imaging to search for blended nearby stars, which may be physically associated companions and/or…

The Kepler Mission has discovered thousands of exoplanets and revolutionized our understanding of their population. This large, homogeneous catalog of discoveries has enabled rigorous studies of the occurrence rate of exoplanets and…

地球与行星天体物理 · 物理学 2016-12-14 Daniel Foreman-Mackey , Timothy D. Morton , David W. Hogg , Eric Agol , Bernhard Schölkopf

We present results from high-resolution, optical to near-IR imaging of host stars of Kepler Objects of Interest (KOIs), identified in the original Kepler field. Part of the data were obtained under the Kepler imaging follow-up observation…

After the failure of two reaction wheels and the end of its original mission, the Kepler spacecraft has begun observing stars in new fields along the ecliptic plane in its extended K2 mission. Although K2 promises to deliver high precision…

天体物理仪器与方法 · 物理学 2014-12-08 Andrew Vanderburg

Recent developments in computational power and machine learning techniques motivate their use in many different astrophysical research areas. Consequently, many machine learning models have been trained to classify exoplanet transit signals…

地球与行星天体物理 · 物理学 2025-12-10 Ayan Bin Rafaih , Zachary Murray

We carried out a systematic study of full-orbit phase curves for known transiting systems in the northern ecliptic sky that were observed during Year 2 of the TESS primary mission. We applied the same methodology for target selection, data…

All transiting planets are at risk of contamination by blends with nearby, unresolved stars. Blends dilute the transit signal, causing the planet to appear smaller than it really is, or produce a false positive detection when the target…

地球与行星天体物理 · 物理学 2015-06-05 Elisabeth R. Adams , David R. Ciardi , Andrea K. Dupree , T. Nick Gautier , Craig Kulesa , Don McCarthy

We have searched the Kepler light curves of ~3900 M-star targets for evidence of periodicities that indicate, by means of the effects of starspots, rapid stellar rotation. Several analysis techniques, including Fourier transforms,…

太阳与恒星天体物理 · 物理学 2015-06-19 S. Rappaport , J. Swift , A. Levine , M. Joss , R. Sanchis-Ojeda , T. Barclay , M. Still , G. Handler , K. Oláh , P. S. Muirhead , D. Huber , K. Vida

Kepler will monitor enough stars that it is likely to detect single transits of planets with periods longer than the mission lifetime. We show that by combining the Kepler photometry of such transits with precise radial velocity (RV)…

天体物理学 · 物理学 2009-11-13 Jennifer C. Yee , B. Scott Gaudi

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 carry out an independent search of Kepler photometry for small transiting planets with sizes 0.5--8.0 times that of Earth and orbital periods between 5 and 50 days, with the goal of measuring the fraction of stars harboring such planets.…

地球与行星天体物理 · 物理学 2015-06-15 Erik A. Petigura , Geoffrey W. Marcy , Andrew W. Howard

Since 2014, NASA's K2 mission has observed large portions of the ecliptic plane in search of transiting planets and has detected hundreds of planet candidates. With observations planned until at least early 2018, K2 will continue to…

The Kepler mission, despite its conclusion over a decade ago, continues to offer a rich dataset for uncovering new astrophysical objects and phenomena. In this study, we conducted a comprehensive search for exocometary transit signatures…

地球与行星天体物理 · 物理学 2026-01-14 Pierre Dumond , Alain Lecavelier des Etangs , Flavien Kiefer , Guillaume Hébrard , Vincent Caillé

Short-period super-Earths and Neptunes are now known to be very frequent around solar-type stars. Improving our understanding of these mysterious planets requires the detection of a significant sample of objects suitable for detailed…

地球与行星天体物理 · 物理学 2017-05-17 M. Gillon , B. -O. Demory , C. Lovis , D. Deming , D. Ehrenreich , G. Lo Curto , M. Mayor , F. Pepe , D. Queloz , S. Seager , D. Segransan , S. Udry