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We introduce a special class of functions for mathematical modeling of periodic signals of special shape with irregularly spaced arguments. This method was developed for determination of phenomenological characteristics of the light curves,…

Solar and Stellar Astrophysics · Physics 2015-06-11 Ivan L. Andronov

Eclipsing binaries are vital for directly determining stellar parameters without reliance on models or scaling relations. Spectroscopically derived parameters of detached and semi-detached binaries allow us to determine component masses…

Solar and Stellar Astrophysics · Physics 2017-11-15 Rachel A. Matson , Douglas R. Gies , Zhao Guo , Stephen J. Williams

We have developed a fully-automated pipeline for systematically identifying and analyzing eclipsing binaries within large datasets of light curves. The pipeline is made up of multiple tiers which subject the light curves to increasing…

Astrophysics · Physics 2009-11-11 Jonathan Devor

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

We present a catalog of 1292 low-mass (M&M) short-period eclipsing binaries observed by the TESS mission. Eclipsing binaries are useful for many aspects of stellar astrophysics, including calibrating stellar models, and catalogs of…

Solar and Stellar Astrophysics · Physics 2025-09-30 Dominic Oddo , Diana Dragomir , Brian P. Powell , Veselin B. Kostov , Te Han

In the new era of large-scale astronomical surveys, automated methods of analysis and classification of bulk data are a fundamental tool for fast and efficient production of deliverables. This becomes ever more imminent as we enter the Gaia…

Instrumentation and Methods for Astrophysics · Physics 2017-06-28 A. Kochoska , N. Mowlavi , A. Prsa , I. Lecoeur-Taibi , B. Holl , L. Rimoldini , M. Suveges , L. Eyer

High-precision stellar mass and radius measured directly from binaries can effectively calibrate the stellar models. However, such a database containing full spectral types and large range of metallicity is still not fully established. A…

Solar and Stellar Astrophysics · Physics 2023-01-11 Jianping Xiong , Chao Liu , Jiao Li , Jiadong Li , Bo Zhang , Xiaodian Chen , Changqing Luo , Zihuang Cao , Yongheng Zhao

We present a detailed light curve analysis of publicly available V band observations of 62 binary stars, mostly contact binaries, obtained by the All Sky Automated Survey (ASAS)-3 project between 2000 and 2009. Eclipsing binaries are…

Solar and Stellar Astrophysics · Physics 2015-05-20 Sukanta Deb , Harinder P. Singh

The high-precision photometry from NASA's Kepler and TESS missions has revolutionized exoplanet detection, enabling the discovery of over 5500 confirmed exoplanets via the transit method and around 10000 additional candidates awaiting…

Earth and Planetary Astrophysics · Physics 2025-12-02 Sarah Huang , Chen Jiang

ASAS is a long term project to monitor bright variable stars over the whole sky. It has discovered 50,122 variables brighter than V < 14 mag south of declination +28 degrees, and among them 11,099 eclipsing binaries. We present a…

Astrophysics · Physics 2009-11-11 B. Paczynski , D. Szczygiel , B. Pilecki , G. Pojmanski

The Transiting Exoplanet Survey Satellite (TESS) is surveying a large fraction of the sky, generating a vast database of photometric time series data that requires thorough analysis to identify exoplanetary transit signals. Automated…

Earth and Planetary Astrophysics · Physics 2025-04-15 Helem Salinas , Rafael Brahm , Greg Olmschenk , Richard K. Barry , Karim Pichara , Stela Ishitani Silva , Vladimir Araujo

With the advent of large-scale photometric surveys of the sky, modern science witnesses the dawn of big data astronomy, where automatic handling and discovery are paramount. In this context, classification tasks are among the key…

Solar and Stellar Astrophysics · Physics 2023-02-03 I. V. Daza-Perilla , L. V. Gramajo , M. Lares , T. Palma , C. E. Ferreira Lopes , D. Minniti , J. J. Clariá

In the first paper of this series we presented EBAS, a new fully automated algorithm to analyse the lightcurves of eclipsing binaries, based on the EBOP code. Here we apply the new algorithm to the whole sample of 2580 binaries found in the…

Astrophysics · Physics 2009-11-11 Tsevi Mazeh , Omer Tamuz , Pierre North

Accurate limb-darkening models are needed for accurate characterisation of eclipsing binary stars and transiting exoplanets from the analysis of their light curves. The limb-darkening observed in solar-type stars from the analysis of light…

Solar and Stellar Astrophysics · Physics 2025-02-14 Jay Fitzpatrick , Pierre F. L. Maxted , Alix V. Freckelton , Amuary H. M. J. Triaud , David V. Martin , Alison Duck

Twenty eclipsing binaries were selected for an analysis from a huge database of observations made by the INTEGRAL/OMC camera. The photometric data were processed and analyzed, resulting in a first light-curve study of these neglected…

Astrophysics · Physics 2008-11-12 P. Zasche

We present the discovery of 52 eclipsing quadruple star candidates detected in TESS Full Frame Image eleanor data by machine learning and citizen scientists. The uniformly-vetted and -validated targets exhibit two sets of eclipses following…

We present a catalog of eclipsing binaries in the northern Galactic Plane from the Kiso Wide-Field Camera Intensive Survey of the Galactic Plane (KISOGP). We visually identified 7055 eclipsing binaries spread across $\sim$330 square…

We have determined the apsidal motion rate of 27 double-lined eclipsing binaries with precise physical parameters. The obtained values, corrected for their relativistic contribution, yield precise empirical parameters of the internal…

Solar and Stellar Astrophysics · Physics 2021-10-13 A. Claret , A. Giménez , D. Baroch , I. Ribas , J. C. Morales , G. Anglada-Escudé

We present catalog of 26 121 visually inspected eclipsing binary stars identified in the Large Magellanic Cloud during the third phase of the Optical Gravitational Lensing Experiment. The sample is limited to the out-of-eclipse brightness I…

Solar and Stellar Astrophysics · Physics 2011-08-03 D. Graczyk , I. Soszyński , R. Poleski , G. Pietrzyński , A. Udalski , M. K. Szymański , M. Kubiak , Ł. Wyrzykowski , K. Ulaczyk

Recent studies indicate that the physical properties of eclipsing binaries can be extracted from the derivatives of their light curves. A classification scheme for the derivatives of light curves would be helpful for identifying key…

Solar and Stellar Astrophysics · Physics 2025-05-28 Shinjirou Kouzuma
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