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Related papers: TIC 452991707 and TIC 452991693 as a Candidate Sex…

200 papers

We apply the ${\tt weirddetector}$, a nonparametric signal detection algorithm based on phase dispersion minimization, in a search for low duty-cycle periodic signals in the Transiting Exoplanet Survey Satellite (${\it TESS}$) photometry.…

Earth and Planetary Astrophysics · Physics 2020-09-30 Joheen Chakraborty , Adam Wheeler , David Kipping

We present Kepler photometry and ground based spectroscopy of KIC 4544587, a short-period eccentric eclipsing binary system with self-excited pressure and gravity modes, tidally excited modes, tidally influenced p modes, and rapid apsidal…

Solar and Stellar Astrophysics · Physics 2015-06-16 K. M. Hambleton , D. W. Kurtz , A. Prsa , J. A. Guzik , K. Pavlovski , S. Bloemen , J. Southworth , K. Conroy , S. P. Littlefair , J. Fuller

Eclipsing systems are essential objects for understanding the properties of stars and stellar systems. Eclipsing systems with pulsating components are furthermore advantageous because they provide accurate constraints on the component…

Solar and Stellar Astrophysics · Physics 2021-05-11 Patricia Lampens

We report the discovery of the relatively bright (V = 10.5 mag), doubly eclipsing 2+2 quadruple system CzeV1731. This is the third known system of its kind, in which the masses are determined for all four stars and both the inner and outer…

We present an early result from an automated search of Kepler eclipsing binary systems for circumbinary companions. An intriguing tertiary signal has been discovered in the short period eclipsing binary KIC002856960. This third body leads…

Earth and Planetary Astrophysics · Physics 2015-06-11 D. Armstrong , D. Pollacco , C. A. Watson , F. Faedi , Y. Gómez Maqueo Chew , H. M. Cegla , P. McDaid , J. Burton , J. McCormac , I. Skillen

We present the orbital period variations of 14,127 contact eclipsing binaries (CEBs) based on the OGLE-III\&IV observations in the Galactic bulge. New times of minimum lights for the CEBs were derived by binary modeling for the full…

Solar and Stellar Astrophysics · Physics 2025-03-25 Kyeongsoo Hong , Jae Woo Lee , Jang-Ho Park , Hye-Young Kim , Chung-Uk Lee , Hyoun-Woo Kim , Dong-Jin Kim , Cheongho Han

Discs in long-period eclipsing binary systems are rare and can lead to extraordinary eclipsing events. ZTF J185259.31+124955.2 was identified as a candidate disc-eclipsing system through a continuing search programme of ZTF variables with a…

Solar and Stellar Astrophysics · Physics 2024-08-07 Klaus Bernhard , Christopher Lloyd

The combined strength of asteroseismology and empirical stellar basic parameter determinations for in-depth asteroseismic analysis of massive pulsators in eclipsing binaries shows great potential for treating the challenging and mysterious…

Solar and Stellar Astrophysics · Physics 2024-03-20 Christian I. Eze , Gerald Handler

V498 Cyg is an early-B-type binary known to show eclipses on a period of 3.48 d, and two sets of spectral lines. We present the discovery of a second set of eclipses, on a 1.44-d period, in the light curve of this object from the Transiting…

Solar and Stellar Astrophysics · Physics 2022-01-10 John Southworth

Analyzing the available photometry from the Kepler satellite and other databases, we performed detailed light curve modeling of 10 eclipsing binary systems that were found to exhibit a periodic modulation of their orbital periods. All of…

Solar and Stellar Astrophysics · Physics 2015-06-03 P. Zasche , M. Wolf , H. Kucakova , J. Vrastil , J. Jurysek , M. Masek , M. Jelinek

We re-analyze the pristine eclipsing binary data from the $\textit{Kepler}$ and TESS missions, focusing on eccentricity measurements at short orbital periods to emperically constrain tidal circularization. We find an average circularization…

Solar and Stellar Astrophysics · Physics 2022-05-04 J. J. Zanazzi

CzeV343 (=V849 Aur) was previously identified as a candidate double eclipsing binary (2+2 quadruple), where the orbital periods of the two eclipsing binaries ($P_A \approx 1.2$ days and $P_B \approx 0.8$ days) lie very close to 3:2…

Solar and Stellar Astrophysics · Physics 2022-11-09 Ondřej Pejcha , Pavel Cagaš , Camille Landri , Michael M. Fausnaugh , Gisella De Rosa , Jose L. Prieto , Zbyněk Henzl , Milan Pešta

KIC 7955301 is a hierarchical triple system with eclipse timing and depth variations discovered by the Kepler mission. It is composed of a non-eclipsing primary star at the bottom of the red giant branch on a 209-day orbit with a K/G-type…

Eclipsing binaries are crucial astrophysical laboratories for studying stellar parameters and evolutionary processes. In this study, we constructed a machine-learning-based model for systematic phenomenological classification of eclipsing…

Solar and Stellar Astrophysics · Physics 2026-04-30 Shi-Qi Liu , Kai Li , Xiao-Dian Chen , Li-Heng Wang

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

Pulsations and binarity are both common features of massive stars. The study of pulsating massive stars in eclipsing binary systems hold great potential for constraining stellar structure and evolution theory. However, prior to the all-sky…

Solar and Stellar Astrophysics · Physics 2022-04-13 John Southworth , Dominic M. Bowman

We present a joint analysis of TESS photometry and radial velocity measurements obtained from the Minerva-Australis facility for two short-period eclipsing binaries, TIC 48227288 and TIC 339607421. TIC 339607421 hosts an M-dwarf companion…

We have discovered a doubly eclipsing, bound, quadruple star system in the field of K2 Campaign 7. EPIC 219217635 is a stellar image with $Kp = 12.7$ that contains an eclipsing binary (`EB') with $P_A = 3.59470$ d and a second EB with $P_B…

The presence of pulsating stars in eclipsing binary systems (EBs) makes these objects significant since they allow us to investigate the stellar interior structure and evolution. Different types of pulsating stars could be found in EBs such…

Solar and Stellar Astrophysics · Physics 2023-08-02 F. Kahraman Alicavus , G. C. Coban , E. Celik , D. S. Dogan , O. Ekinci , F. Alicavus

Abridged. Eclipsing spectroscopic double-lined binaries are the prime source of precise and accurate measurements of masses and radii of stars. These measurements provide a stringent test of models of stellar evolution that are persistently…

Solar and Stellar Astrophysics · Physics 2023-12-22 A. Tkachenko , K. Pavlovski , N. Serebriakova , D. M. Bowman , L. IJspeert , S. Gebruers , J. Southworth
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