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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…

Earth and Planetary Astrophysics · Physics 2018-02-21 Daryll M. LaCourse , Thomas L. Jacobs

We present photodynamical models of four eclipsing binary systems that are members of higher-order multiple systems. We provide some radial velocities measurements and use recent TESS data for three of the systems. KIC 7668648 consists of…

Solar and Stellar Astrophysics · Physics 2023-12-12 Jerome A. Orosz

We present an automated classification of 2165 \textit{Kepler} eclipsing binary (EB) light curves that accompanied the second \textit{Kepler} data release. The light curves are classified using Locally Linear Embedding, a general nonlinear…

Solar and Stellar Astrophysics · Physics 2015-06-04 Gal Matijevic , Andrej Prsa , Jerome A. Orosz , William F. Welsh , Steven Bloemen , Thomas Barclay

The 222~000 I-band light curves of variable stars detected by the OGLE-II survey in the direction of the Galactic Bulge have been searched for eclipsing binaries (EBs). A previously developed code to analyze lightcurve shapes and identify…

Astrophysics · Physics 2009-11-11 M. A. T. Groenewegen

KIC 7177553 was observed by the Kepler satellite to be an eclipsing eccentric binary star system with an 18-day orbital period. Recently, an eclipse timing study of the Kepler binaries has revealed eclipse timing variations in this object…

Solar and Stellar Astrophysics · Physics 2016-03-16 H. Lehmann , T. Borkovits , S. A. Rappaport , H. Ngo , D. Mawet , Sz. Csizmadia , E. Forgacs-Dajka

This study presents photometric solutions for a carefully selected sample of 181 detached eclipsing binary systems recently observed by the Transiting Exoplanet Survey Satellite (TESS) mission. Our findings contribute to discussions about…

Solar and Stellar Astrophysics · Physics 2024-05-02 L. Siqueira , B. W. Freitas , D. B. de Freitas

In this paper, we determine the detectability of eclipsing binary star companions from eclipse timing variations using the Kepler mission dataset. Extensive and precise stellar time-series photometry from space-based missions enable…

Solar and Stellar Astrophysics · Physics 2021-05-12 A. K. Getley , B. Carter , R. King , S. O'Toole

We present the discovery of a rare system detected in the TESS data showing three different eclipsing-like signals. TIC 452991707 and TIC 452991693 seem to be the second such system on the sky, whose two components separated about 16" are…

Solar and Stellar Astrophysics · Physics 2022-09-13 P. Zasche , Z. Henzl

With 16-month Kepler data, 14 long-period (40 d - 265 d) eclipsing binaries on highly eccentric orbits (minimum e between 0.5 and 0.85) are recognized from their closely separated primary and secondary eclipses (\Delta t_I,II = 3 d - 10 d).…

Solar and Stellar Astrophysics · Physics 2012-12-27 Subo Dong , Boaz Katz , Aristotle Socrates

Eclipsing binaries (EBs) play an important astrophysical role in studying stellar properties and evolution. By analyzing photometric data in the LAMOST Medium-Resolution Survey field, RA: $23^h$$01^m$$51.00^s$, Dec:…

Solar and Stellar Astrophysics · Physics 2024-12-03 Jing-Yi Wang , Kai Li , Xiang Gao , Di-Fu Guo , Li-Heng Wang , Dong-Yang Gao , Ling-Zhi Li , Ya-Ni Guo , Xing Gao , Guo-You Sun

We present the physical parameters of an eclipsing binary system EPIC 211982753 derived through photometric and radial velocity data modeling. We make use of photometric data from NASA's K2 mission, ASAS-SN, and 1.3-m Devasthal Fast Optical…

Solar and Stellar Astrophysics · Physics 2023-08-23 Alaxender Panchal , Yogesh C. Joshi

We report eclipse timing variation analyses of 26 compact hierarchical triple stars comprised of an eccentric eclipsing ('inner') binary and a relatively close tertiary component found in the {\em Kepler} field. We simultaneously fit the…

Solar and Stellar Astrophysics · Physics 2015-06-23 Tamas Borkovits , Saul Rappaport , Tamas Hajdu , Janos Sztakovics

We report follow-up spectroscopic observations of the 1.62 day, K-type, detached, active, near-circular, double-lined eclipsing binary EPIC 219511354 in the open cluster Ruprecht 147, identified previously on the basis of photometric…

Solar and Stellar Astrophysics · Physics 2021-11-17 Guillermo Torres , Andrew Vanderburg , Jason L. Curtis , Adam L. Kraus , Eric Gaidos

We present a comprehensive study of phase curves and secondary eclipses in the Kepler data set using all data from 16 quarters that were available in 2013-2014. Our sample consists of 20 confirmed planets with R_p > 4 R_e ,P < 10d, V_mag <…

Solar and Stellar Astrophysics · Physics 2015-11-18 Daniel Angerhausen , Emily DeLarme , Jon A. Morse

Eclipsing binaries are vital for directly determining stellar parameters without reliance on models or scaling relations. Spectroscopically derived parameters of detached and semi-detached binaries allow us to determine component masses…

Solar and Stellar Astrophysics · Physics 2017-11-15 Rachel A. Matson , Douglas R. Gies , Zhao Guo , Stephen J. Williams

In the first three years of operation the Kepler mission found 3,697 planet candidates from a set of 18,406 transit-like features detected on over 200,000 distinct stars. Vetting candidate signals manually by inspecting light curves and…

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…

We describe the discovery of a 0.68+0.52 solar mass eclipsing binary (EB) with an 8.4-day orbital period, found through a systematic search of ten fields of the Trans-atlantic Exoplanet Survey (TrES). Such long-period low-mass EBs…

We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to…

Solar and Stellar Astrophysics · Physics 2021-04-14 D. Koçak , K. Yakut , J. Southworth , P. P. Eggleton , T. İçli , C. A. Tout , S. Bloemen