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Related papers: Absolute dimensions of the low-mass eclipsing bina…

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New photometric observations of NSVS 01286630 were performed and two sets of four-color (B, V , Rc, Ic) light curves (LCs) were obtained. Using the 2013 version of the Wilson-Devinney (W-D) code, we analyzed these data. The photometric…

Solar and Stellar Astrophysics · Physics 2018-09-19 Bin Zhang , Sheng-bang Qian , Wen-ping Liao , Li-ying Zhu , Ai-jun Dong , Qi-jun Zhi

V1094 Tau is bright eclipsing binary star with an orbital period close to 9 days containing two stars similar to the Sun. Our aim is to test models of Sun-like stars using precise and accurate mass and radius measurements for both stars in…

Solar and Stellar Astrophysics · Physics 2015-05-27 P. F. L. Maxted , R. J. Hutcheon , G. Torres , C. H. S. Lacy , J. Southworth , B. Smalley , K. Pavlovski , L. A. Marschall , J. V. Clausen

MU Cas is a detached eclipsing binary containing two B5 V stars in an orbit of period 9.653 d and eccentricity 0.192, which has been observed in seven sectors using the Transiting Exoplanet Survey Satellite (TESS). We use these new light…

Solar and Stellar Astrophysics · Physics 2024-10-31 John Southworth

We have derived masses and radii for both components in five short-period single-lined eclipsing binary stars discovered by the TrES wide-angle photometric survey for transiting planets. All these systems consist of a visible F-star primary…

First spectroscopic and new photometric observations of the eclipsing binary FM Leo are presented. The main aims were to determine orbital and stellar parameters of two components and their evolutionary stage. First spectroscopic…

We present the first full orbital and physical analysis of HD 187669, recognized by the All-Sky Automated Survey (ASAS) as the eclipsing binary ASAS J195222-3233.7. We combined multi-band photometry from the ASAS and SuperWASP public…

We present results of our study of the long-period eclipsing binary star NN Delphini (hereafter NN Del). The results are based on spectral data obtained with the HRS echelle spectrograph of the Southern African Large Telescope (SALT). Our…

Solar and Stellar Astrophysics · Physics 2020-11-04 Alexei Kniazev

We present a detailed analysis of the detached eclipsing binary CD Tau. A large variety of observational data, in form of IR photometry, CORAVEL radial velocity observations and high-resolution spectra, are combined with the published light…

Astrophysics · Physics 2009-10-31 Ignasi Ribas , Carme Jordi , Jordi Torra

Double-lined eclipsing binaries allow the direct determination of masses and radii, which are key to test stellar models. With the launch of the TESS mission, many well-known eclipsing binaries have been observed at higher photometric…

Solar and Stellar Astrophysics · Physics 2022-09-07 D. Baroch , A. Giménez , J. C. Morales , I. Ribas , E. Herrero , V. Perdelwitz , C. Jordi , T. Granzer , C. Allende Prieto

Detached eclipsing binaries are a fundamental tool for measuring the physical parameters of stars that are effectively evolving in isolation. Starting from more than 40,000 eclipsing binary candidates identified by the All-Sky Automated…

Solar and Stellar Astrophysics · Physics 2022-09-21 D. M. Rowan , T. Jayasinghe , K. Z. Stanek , C. S. Kochanek , Todd A. Thompson , B. J. Shappee , T. W. -S. Holoien , J. L. Prieto , W. Giles

We present the characterization of 5 new short-period low-mass eclipsing binaries from the WFCAM Transit Survey. The analysis was performed by using the photometric WFCAM J-mag data and additional low- and intermediate-resolution…

Solar and Stellar Astrophysics · Physics 2018-03-21 Patricia Cruz , Marcos Diaz , Jayne Birkby , David Barrado , Brigitta Sipöcz , Simon Hodgkin

We present an analysis of eclipse timings of the post-common envelope binary NSVS 14256825, which is composed of an sdOB star and a dM star in a close orbit (P_{orb} = 0.110374 days). High-speed photometry of this system was performed…

Solar and Stellar Astrophysics · Physics 2015-06-11 L. A. Almeida , F. Jablonski , C. V. Rodrigues

We report the discovery of 2M1222-57 as a low-mass, pre-main-sequence (PMS) eclipsing binary (EB) in the Lower Centaurus Crux (LCC) association for which, using Gaia parallaxes and proper motions with a neural-net age estimator, we…

Solar and Stellar Astrophysics · Physics 2022-12-28 Keivan G. Stassun , Guillermo Torres , Marina Kounkel , Dax L. Feliz , Luke G. Bouma , Steve B. Howell , Crystal L. Gnilka , E. Furlan

Observations from the Heliospheric Imagers (HI-1) on both the STEREO spacecraft have been analysed to search for bright low mass eclipsing binaries (EBs) and potential brown dwarf transits and to determine the radii of the companions. A…

Solar and Stellar Astrophysics · Physics 2015-06-11 K. T. Wraight , L. Fossati , Glenn J. White , A. J. Norton , D. Bewsher

We observed spectroscopically the eclipsing binary system T-Cyg1-01385 in order to determine physical properties of the components. The double-lined nature of the system is revealed for the first time and the radial velocities are obtained…

Solar and Stellar Astrophysics · Physics 2015-06-15 O. Cakirli , C. Ibanoglu , E. Sipahi

Evidence from the analysis of eclipsing binary systems revealed that late-type stars are larger and cooler than predicted by models, and that this is probably caused by stellar magnetic activity. In this work, we revisit this problem taking…

Solar and Stellar Astrophysics · Physics 2022-12-13 J. C. Morales , I. Ribas , Á. Giménez , D. Baroch

Eclipsing binary star systems provide the most accurate method of measuring both the masses and radii of stars. Moreover, they enable testing tidal synchronization and circularization theories, as well as constraining models of stellar…

Astrophysics · Physics 2008-11-04 Jonathan Devor

The purpose of this work is to extend a sample of accurately modeled, benchmark-grade eclipsing binaries with accurately determined masses and radii. We select four "well-behaved" Kepler binaries, KIC2306740, KIC4076952, KIC5193386 and…

Solar and Stellar Astrophysics · Physics 2022-12-05 Kelly Hambleton , Andrej Prsa , Scott W. Fleming , Suvrath Mahadevan , Chad F. Bender

V455 Aur is a detached eclipsing binary containing two F-stars in a 3.15-d orbit with a small eccentricity. Its eclipses were discovered in data from the Hipparcos satellite and a spectroscopic orbit was obtained by Griffin (2001, 2013).…

Solar and Stellar Astrophysics · Physics 2021-06-09 John Southworth

We report results from a search for Galactic high-mass eclipsing binaries. The photometric monitoring campaign was performed in Sloan $r$ and $i$ with the robotic twin refractor RoBoTT at the Universit\"atssternwarte Bochum in Chile and…

Solar and Stellar Astrophysics · Physics 2019-11-12 F. Pozo Nuñez , R. Chini , A. Barr Domínguez , Ch. Fein , M. Hackstein , Pietrzyński , Grzegorz , M. Murphy