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The new discovered short-period close binary star, XY LMi, was monitored photometrically since 2006. It is shown that the light curves are typical EW-type and show complete eclipses with an eclipse duration of about 80 minutes. By analyzing…

Solar and Stellar Astrophysics · Physics 2015-05-27 S. -B. Qian , L. Liu , L. -Y. Zhu , J. -J. He , Y. -G. Yang , L. Bernasconi

Using the data from the public database of the All Sky Automated Survey ({\tt ASAS}) we performed the very first light curve analyses of the three eclipsing binary systems \astrobj{AO~Aqr}, \astrobj{CW~Aqr} and \astrobj{ASAS~012206-4924.7}.…

Solar and Stellar Astrophysics · Physics 2015-05-15 Burak Ulas , Ceren Ulusoy

When observing the blazars, we identified a new eclipsing binary GSC 03517-00663. The light curves of GSC 03517-00663 are typical EW-type light curves. Based on the observation using the 1m telescope at Weihai Observatory of Shandong…

Solar and Stellar Astrophysics · Physics 2015-06-03 D. -F. Guo , K. Li , S. -M. Hu , Y. -G. Jiang , D. -Y. Gao , X. Chen

Light curves of the contact systems visible in the direction of Baade's Window have been analyzed using the first coefficients of the Fourier representation. The results confirm that the geometric contact between components is usually weak.…

Astrophysics · Physics 2009-10-28 Slavek M. Rucinski

We present the construction of a novel time-domain signature extraction methodology and the development of a supporting supervised pattern detection algorithm. We focus on the targeted identification of eclipsing binaries that demonstrate a…

Instrumentation and Methods for Astrophysics · Physics 2019-11-12 Kyle B. Johnston , Rana Haber , Saida M. Caballero-Nieves , Adrian M. Peter , V'eronique Petit , Matt Knote

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 present the results of the study of the contact binary system BO CVn. We have obtained physical parameters of the components based on combined analysis of new, multi-color light curves and spectroscopic mass ratio. This is the first time…

Solar and Stellar Astrophysics · Physics 2012-04-23 S. Zola , R. H. Nelson , V. Senavci , T. Szymanski , A. Kuzmicz , M. Winiarski , D. Jableka

An algorithm, based on Fourier decomposition of light curves, permitted to define a sample of 388 contact binaries with well observed light curves, periods shorter one day and with available V-I colors (the R-sample), from among 933…

Astrophysics · Physics 2009-10-28 Slavek M. Rucinski

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

Comprehensive photometric investigation was carried out to the early K-type contact binary - IL Cnc. A few light curves from both ground-based telescopes and the Kepler space telescope were obtained (or downloaded) and then analyzed in…

Solar and Stellar Astrophysics · Physics 2020-06-24 N. -P. Liu , T. Sarotsakuchai , S. Rattanasoon , B. Zhang

Low mass-ratio (q) contact binary systems are progenitors of stellar mergers such as blue straggles (BS) or fast-rotating FK Com stars. In this study, we present the first light curve analysis of two newly identified low mass-ratio contact…

Solar and Stellar Astrophysics · Physics 2024-05-31 Qiyuan Cheng , Jianping XIong , Xu Ding , Kaifan Ji , Jiao Li , Chao Liu , Jiangdan Li , Jingxiao Luo , Xin Lyu , Zhanwen Han , Xuefei Chen

The study presents a simplified method to identify potential bright red nova progenitors based on the amplitude of the light curve and infrared (J-H) colour of a contact binary system. We employ published criteria for contact binary orbital…

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

The discovery of circumbinary planets (CBPs) has advanced our understanding of planet formation and dynamical evolution in complex environments. However, the population of such planets remains small, leading their underlying physical…

Earth and Planetary Astrophysics · Physics 2026-04-13 Benjamin D. R. Davies , David J. A. Brown , Samuel Gill , Jenni R. French

The observations of eclipsing binary systems are of great importance in astrophysics, as they allow direct measurements of fundamental stellar parameters. By analysing high-quality space-based observations with ground-based photometric…

Solar and Stellar Astrophysics · Physics 2025-01-23 N. Alan , F. Alicavus , M. Alpsoy

We present a large sample of eclipsing binary stars detected in the Small Magellanic Cloud fields covering about 14 square degrees that have been monitored for eight years during the third phase of the OGLE survey. This is the largest set…

In this paper, the first complete photometric light curves in the B, V, and R passbands for an eclipsing binary LO Com are presented, and the photometric solution for the LO Com is derived by analyzing these light curves by using the Wilson…

Solar and Stellar Astrophysics · Physics 2017-08-03 Y. Zhang , Q. W. Han , J. Z. Liu

Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries with a fully convective M-dwarf component for which direct measurements of these stars'…

We presented the first high-precision, detailed photometric analysis of four W Ursae Majoris (W UMa)-type contact binaries, Linear 10772300, Linear 11150338, Linear 20372537 and DM Cir. In addition to ground-based multiband photometric…

Solar and Stellar Astrophysics · Physics 2026-02-16 Elham Sarvari , Atila Poro , Raul Michel , Anna Francesca Pala , Mehmet Tanriver , Ahmet Bulut , Ahmet Keskin , Mark G. Blackford

We describe an automated method for assigning the most likely physical parameters to the components of an eclipsing binary (EB), using only its photometric light curve and combined color. In traditional methods (e.g. WD and EBOP) one…

Astrophysics · Physics 2016-08-30 Jonathan Devor , David Charbonneau
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