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Related papers: Absolute properties of the highly eccentric eclips…

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We derive absolute dimensions for two early-type main sequence detached eclipsing binaries in the young open cluster h Persei (NGC 869). V615 Persei has a spectral type of B7V and a period of 13.7d. V618 Persei is A2V and has a period of…

Astrophysics · Physics 2009-11-10 J. Southworth , P. F. L. Maxted , B. Smalley

We present a detailed analysis of the detached eclipsing binary system HO Telescopii, which contains two A-type stars in a circular orbit of period 1.613 d. We use light curves from the Transiting Exoplanet Survey Satellite (TESS), which…

Solar and Stellar Astrophysics · Physics 2024-08-26 John Southworth

Eclipsing binary systems have a unique feature, which enables scientists to obtain precise fundamental star parameters, which opens to greater area of astrophysics studies. In this study, we have derived the fundamental parameters, the…

Solar and Stellar Astrophysics · Physics 2024-04-30 Gökhan Yücel , Remziye Canbay , Volkan Bakış

Photometric observations in the R and I bands of the detached M-type double-lined eclipsing binary CU Cnc have been acquired and analysed. The photometric elements obtained from the analysis of the light curves have been combined with an…

Astrophysics · Physics 2009-11-07 I. Ribas

We present the first modern analysis of two young, eclipsing binaries, EK Cep and HS Her, based on new, ground-based, CCD multicolour light curves as well as the TESS observations, radial velocity curves, and eclipse timing measurements.…

Solar and Stellar Astrophysics · Physics 2022-07-21 Olivera Latković , Kosmas Gazeas , Haralambi Markov , Atila Čeki , Sofia Palafouta

We present a detailed study of the G0V detached eclipsing binary EW Ori, based on new photometric and spectroscopic observations. Masses and radii that are precise to 0.9% and 0.5%, respectively, have been established for both components.…

Solar and Stellar Astrophysics · Physics 2015-05-14 J. V. Clausen , H. Bruntt , E. H. Olsen , B. E. Helt , A. Claret

WW Aurigae is a detached eclipsing binary composed of two metallic-lined A-type stars orbiting each other every 2.5 days. We have determined the masses and radii of both components to accuracies of 0.4 and 0.6 percent, respectively. From a…

Astrophysics · Physics 2010-12-02 John Southworth , B Smalley , P F L Maxted , A Claret , P B Etzel

AP And is a well-detached F5 eclipsing binary star for which only a very limited amount of information was available before this publication. We have obtained very extensive measurements of the light curve (19097 differential V magnitude…

Solar and Stellar Astrophysics · Physics 2015-06-19 Claud H. Sandberg Lacy , Guillermo Torres , Francis C. Fekel , Matthew W. Muterspaugh

Parenago 1802, a member of the ~1 Myr Orion Nebula Cluster, is a double-lined, detached eclipsing binary in a 4.674 d orbit, with equal-mass components (M_2/M_1 = 0.985 \pm 0.029). Here we present extensive VIcJHKs light curves spanning ~15…

Solar and Stellar Astrophysics · Physics 2015-06-03 Y. Gómez Maqueo Chew , K. G. Stassun , A. Prša , E. Stempels , L. Hebb , R. Barnes , R. Heller , R. D. Mathieu

$\zeta$ Phoenicis is a bright binary system containing B6V and B8V stars. It has deep total and annular eclipses, a slightly eccentric orbit with a period of 1.669 d, apsidal motion and a third body on a wider orbit. The Transiting…

Solar and Stellar Astrophysics · Physics 2020-12-22 John Southworth

I present results from an optical spectroscopic investigation of the binary system HD 42401 (V1388 Ori; B2.5 IV-V + B3 V). A combined analysis of V-band photometry and radial velocities indicates that the system has an orbital period of…

Astrophysics · Physics 2014-11-18 S. J. Williams

We report the discovery of a new detached eclipsing binary known as NSVS01031772 with component masses M_1= 0.5428 +/- 0.0027Msun, M_2= 0.4982 +/- 0.0025Msun, and radii R_1= 0.5260 +/- 0.0028Rsun, R_2= 0.5088 +/- 0.0030Rsun. The system has…

We present a comprehensive study of the massive binary system HM1~8, based on multi-epoch high resolution spectroscopy, $V$-band photometry and archival X-ray data. Spectra from the OWN Survey, a high resolution optical monitoring of…

HP Dra is a well-detached eclipsing binary containing two late-F stars on an orbit with a relatively large period of 10.76 d and a small eccentricity of 0.036. It has been observed in 14 sectors using the Transiting Exoplanet Survey…

Solar and Stellar Astrophysics · Physics 2025-08-07 John Southworth

We present new spectroscopic observations of the detached late-type double-lined eclipsing binary YY Gem, a member of the Castor sextuple system and one of the benchmarks for the comparison between observations and stellar evolution theory…

Astrophysics · Physics 2009-11-07 Guillermo Torres , Ignasi Ribas

The orbit and physical parameters of the previously unsolved double-lined eclipsing binary Tyc 5227-1023-1, discovered during the search for RR Lyr variables candidate members of the Aquarius stream, are derived using high resolution…

Solar and Stellar Astrophysics · Physics 2017-05-18 Gregor Traven , Ulisse Munari , Sergio Dallaporta , Tomaž Zwitter

In this paper, we derive the fundamental properties of 1SWASPJ011351.29+314909.7 (J0113+31), a metal-poor (-0.40 +/- 0.04 dex), eclipsing binary in an eccentric orbit (~0.3) with an orbital period of ~14.277 d. Eclipsing M dwarfs orbiting…

We have discovered a new, near-equal mass, eclipsing M dwarf binary from the Next Generation Transit Survey. This system is only one of 3 field age ($>$ 1 Gyr), late M dwarf eclipsing binaries known, and has a period of 1.74774 days,…

We present the evolutionary scenarios for three eclipsing twin ($q(M_2/M_1)\sim$1) binary systems using their combined spectroscopic and photometric data. Using accurate \textit{TESS} photometric data, RV measurements, and spectroscopic…

Solar and Stellar Astrophysics · Physics 2022-08-24 Gökhan Yücel , Volkan Bakış

We present UBVRI photometric measurements and spectroscopic observations of the double-lined eclipsing binary V821 Cas. The radial velocities were obtained by means of the cross-correlation technique. Simultaneous analyses of the multi-band…

Solar and Stellar Astrophysics · Physics 2009-11-13 O. Cakirli , C. Ibanoglu , S. Bilir , E. Sipahi