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The Kepler Object of Interest Network (KOINet) is a multi-site network of telescopes around the globe organised to follow up transiting planet candidate KOIs with large transit timing variations (TTVs). Its main goal is to complete their…

The Kepler Mission revolutionized exoplanet science and stellar astrophysics by obtaining highly precise photometry of over 200,000 stars over 4 years. A critical piece of information to exploit Kepler data is its selection function, since…

Solar and Stellar Astrophysics · Physics 2021-05-05 Linnea M. Wolniewicz , Travis A. Berger , Daniel Huber

KIC 6131659 is a long-period (17.5 days) eclipsing binary discovered by the Kepler mission. We analyzed six quarters of Kepler data along with supporting ground-based photometric and spectroscopic data to obtain accurate values for the mass…

A unique short-period Mercury-size Kepler exoplanet candidate KIC012557548b has been discovered recently by Rappaport et al. (2012). This object is a transiting disintegrating exoplanet with a circum-planetary material - comet-like tail.…

Earth and Planetary Astrophysics · Physics 2015-06-23 Z. Garai , G. Zhou , J. Budaj , R. F. Stellingwerf

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…

We have modified the graphical user interfaced close binary system analysis program CurveFit to the form WinKepler and applied it to 16 representative planetary candidate light curves found in the NASA Exoplanet Archive (NEA) at the Caltech…

Solar and Stellar Astrophysics · Physics 2015-06-18 M. D. Rhodes , E. Budding

Three transiting exoplanet candidate stars were discovered in a ground-based photometric survey prior to the launch of NASA's {\it Kepler} mission. {\it Kepler} observations of them were obtained during Quarter 1 of the {\it Kepler}…

Context. The Kepler Object of Interest Network (KOINet) is a multi-site network of telescopes around the globe organised for follow-up observations of transiting planet candidate Kepler objects of interest (KOIs) with large transit timing…

Holczer, Mazeh, and collaborators (HM+16) used the Kepler four-year observations to derive a transit-timing catalog, identifying 260 Kepler objects of interest (KOI) with significant transit timing variations (TTV). For KOIs with high…

Earth and Planetary Astrophysics · Physics 2021-05-26 Sahar Shahaf , Tsevi Mazeh , Shay Zucker , Daniel Fabrycky

The nearly continuous light curves with micromagnitude precision provided by the space mission Kepler are revolutionising our view of pulsating stars. They have revealed a vast sea of low-amplitude pulsation modes that were undetectable…

We develop a general method to fit the planetary distribution function (PLDF) to exoplanet survey data. This maximum likelihood method accommodates more than one planet per star and any number of planet or target star properties.…

Earth and Planetary Astrophysics · Physics 2015-05-28 Andrew N. Youdin

One bottleneck for the exploitation of data from the $Kepler$ mission for stellar astrophysics and exoplanet research has been the lack of precise radii and evolutionary states for most of the observed stars. We report revised radii of…

Earth and Planetary Astrophysics · Physics 2018-10-24 Travis A. Berger , Daniel Huber , Eric Gaidos , Jennifer L. van Saders

The advent of space-based photometry missions such as CoRoT, Kepler and TESS has sparkled the development of asteroseismology and exoplanetology. The advent of PLATO will further strengthen such multi-disciplinary studies. Testing…

Earth and Planetary Astrophysics · Physics 2022-03-14 J. Bétrisey , C. Pezzotti , G. Buldgen , S. Khan , P. Eggenberger , S. J. A. J. Salmon , A. Miglio

The Kepler Mission recently identified 997 systems hosting candidate extrasolar planets, many of which are super-Earths. Realizing these planetary systems are candidates to host extrasolar asteroid belts, we use mid-infrared data from the…

Earth and Planetary Astrophysics · Physics 2015-06-03 S. M. Lawler , B. Gladman

The Kepler Mission relies on precise differential photometry to detect the 80 parts per million (ppm) signal from an Earth-Sun equivalent transit. Such precision requires superb instrument stability on time scales up to ~2 days and…

We report the spectroscopic confirmation of the Kepler object of interest KOI-183.01 (Kepler-423b), a half-Jupiter mass planet transiting an old solar-like star every 2.7 days. Our analysis is the first to combine the full Kepler photometry…

The stellar atmospheric parameters and physical properties of stars in the Kepler Input Catalog (KIC) are of great significance for the study of exoplanets, stellar activity, and asteroseismology. However, despite extensive effort over the…

Solar and Stellar Astrophysics · Physics 2024-12-30 Bowen Zhang , Yang Huang , Timothy C. Beers , Kai Xiao , Jifeng Liu , Lei Jia , Henggeng Han , Zhirui Li , Chuanjie Zheng , Yongkang Sun , Ruifeng Shi , Hongrui Gu

We use asteroseismic data obtained by the NASA Kepler Mission to estimate the fundamental properties of more than 500 main-sequence and sub-giant stars. Data obtained during the first 10 months of Kepler science operations were used for…

We present a search for laser emission coming from point sources in the vicinity of 2796 stars, including 1368 Kepler Objects of Interest (KOIs) that host one or more exoplanets. We search for extremely narrow emission lines in the…

Instrumentation and Methods for Astrophysics · Physics 2015-04-15 Nathaniel K. Tellis , Geoffrey W. Marcy

Even though it was not designed as an exoplanetary research mission, the Deep Space Climate Observatory (DSCOVR) has been opportunistically used for a novel experiment, in which Earth serves as a proxy exoplanet. More than two years of…

Earth and Planetary Astrophysics · Physics 2018-07-11 Jonathan H. Jiang , Albert J. Zhai , Jay Herman , Chengxing Zhai , Renyu Hu , Hui Su , Vijay Natraj , Jiazheng Li , Feng Xu , Yuk L. Yung
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