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Related papers: The \b{eta} Lyrae-Type Eclipsing Binary EG Cep: Ne…

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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

New CCD photometric observations of fourteen short-period low-mass eclipsing binaries (LMB) in the photometric filters I, R and V were used for the light curve analysis. There still exists a discrepancy between radii as observed and those…

Solar and Stellar Astrophysics · Physics 2017-09-21 David Korda , Petr Zasche , Marek Wolf , Hana Kucakova , Katerina Honkova , Jan Vrastil

We present the first detailed investigation of six eclipsing binary systems in the TESS field. The TESS light curves of the targets are analysed by determining the initial effective temperatures via SED fits. The absolute parameters are…

Solar and Stellar Astrophysics · Physics 2023-03-29 Burak Ulas , Vildan Ayan

We describe an automated method for assigning the most probable physical parameters to the components of an eclipsing binary, using only its photometric light curve and combined colors. With traditional methods, one attempts to optimize a…

Astrophysics · Physics 2008-11-26 Jonathan Devor , David Charbonneau

The periodic events occurring in Eta Carinae have been widely monitored during the last three 5.5-year cycles. The last one recently occurred in January 2009 and more exhaustive observations have been made at different wavelength ranges. If…

Solar and Stellar Astrophysics · Physics 2009-09-28 E. Fernandez-Lajus , C. Farina , J. P. Calderon , N. Salerno , A. F. Torres , M. A. Schwartz , C. von Essen , F. Giudici , F. A. Bareilles

NSVS 02502726 has been known as a double-lined, detached eclipsing binary that consists of two low-mass stars. We obtained $BVRI$ photometric follow-up observations in 2009 and 2011 to measure improved physical properties of the binary…

Solar and Stellar Astrophysics · Physics 2015-06-12 Jae Woo Lee , Jae-Hyuck Youn , Seung-Lee Kim , Chung-Uk Lee

The Chinese Small Telescope ARray (CSTAR) has observed an area around the Celestial South Pole at Dome A since 2008. About $20,000$ light curves in the i band were obtained lasting from March to July, 2008. The photometric precision…

Two eclipsing binary systems UZ Lyr and BR Cyg are the semi-detached types whose secondary component fill its Roche lobe. Although radial velocity and light curves of these systems have already been investigated separately, both radial…

Solar and Stellar Astrophysics · Physics 2022-02-16 K. Y. Roobiat , R. Pazhouhesh

New times of minima of the eclipsing binaries GK Cep and VY Cet, obtained at the Observatory of the University of Athens, have been used together with all reliable timings found in the literature in order to study the period variation and…

Solar and Stellar Astrophysics · Physics 2014-04-14 Alexios Liakos , Panagiotis Niarchos

We present our multicolour photometric data of the primary and secondary eclipses of OW Gem that took place in 1995, 2002, and 2006, as well as the new radial-velocity data collected since 1993 by R. F. Griffin and A. Duquennoy. The…

Astrophysics · Physics 2010-03-05 C. Gałan , M. Mikołajewski , T. Tomov , D. Kolev , D. Graczyk , A. Majcher , J. Ł. Janowski , M. Cikała

We present a new few-parameter phenomenological model of light curves of eclipsing binaries and stars with transiting planets that is able to fit the observed light curves with the accuracy better than 1\% of their amplitudes. The model can…

Solar and Stellar Astrophysics · Physics 2015-02-27 Zdeněk Mikulášek , Miloslav Zejda , Theodor Pribulla , Martin Vaňko , Shen-Bang Qian , Li-Ying Zhu

New Multi-color $B$ $V$ $R_c$ $I_c$ photometric observation are presented for W UMa type eclipsing binary V1073 Cyg. The multi-color light curves analysis with the Wilson-Devinney(W-D) procedure acquired the absolute parameters of this…

Solar and Stellar Astrophysics · Physics 2018-03-14 Xiao-man Tian , Li-ying Zhu , Sheng-bang Qian , Lin-jia Li , Lin-qiao Jiang

We present a new study of the Algol-type eclipsing binary system AS Eri based on the combination of the MOST and TESS light curves and a collection of very precise radial velocities obtained with the spectrographs HERMES operating at the…

Solar and Stellar Astrophysics · Physics 2022-02-04 P. Lampens , D. Mkrtichian , H. Lehmann , K. Gunsriwiwat , L. Vermeylen , J. Matthews , R. Kuschnig

We present new long-term CCD photometry for EP And acquired during the period 2007 to 2012. The light curves display total eclipses at primary minima and season-to-season light variability. Our synthesis for all available light curves…

Solar and Stellar Astrophysics · Physics 2015-06-12 Jae Woo Lee , Tobias Cornelius Hinse , Jang-Ho Park

Pulsating stars in eclipsing binary systems play an important role in asteroseismology. The combination of their spectroscopic and photometric orbital solutions can be used to determine, or at least to constrain, the masses and radii of…

Solar and Stellar Astrophysics · Physics 2014-03-05 D. Drobek , A. Pigulski

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

We present an analysis of a new, detached, double-lined eclipsing binary system with K7 Ve components, discovered as part of the University of New South Wales Extrasolar Planet Search. The object is significant in that only 6 other binary…

Very high quality light curves are now available for thousands of detached eclipsing binary stars and transiting exoplanet systems as a result of surveys for transiting exoplanets and other large-scale photometric surveys. I have developed…

Instrumentation and Methods for Astrophysics · Physics 2016-06-22 P. F. L. Maxted

The binary star NY Hya is a bright, detached, double-lined eclipsing system with an orbital period of just under five days with two components each nearly identical to the Sun and located in the solar neighbourhood. The objective of this…

Our goal is to determine, with high accuracy, the physical and orbital parameters of two double-lined eclipsing binary systems, where the components are two giant stars. We also aim to study the evolutionary status of the binaries, to…

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