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Detached eclipsing binaries (DEBs) enable direct inference of stellar and orbital properties across diverse stellar populations. However, inference typically requires computationally intensive forward modeling and radial velocity (RV)…

Solar and Stellar Astrophysics · Physics 2026-04-23 Jacqueline Blaum Hough , Joshua S. Bloom

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…

Eclipsing binaries (EBs) play an important astrophysical role in studying stellar properties and evolution. By analyzing photometric data in the LAMOST Medium-Resolution Survey field, RA: $23^h$$01^m$$51.00^s$, Dec:…

Solar and Stellar Astrophysics · Physics 2024-12-03 Jing-Yi Wang , Kai Li , Xiang Gao , Di-Fu Guo , Li-Heng Wang , Dong-Yang Gao , Ling-Zhi Li , Ya-Ni Guo , Xing Gao , Guo-You Sun

We present a classification of the light curve morphologies of eclipsing binary systems observed by ASAS-SN based on their light curve images. The data of 16500 eclipsing systems having three different classes (detached Algol type, $\beta$…

Solar and Stellar Astrophysics · Physics 2020-12-16 Burak Ulas

In our previous analysis of the eclipse timing variation patterns of eclipsing binaries located in and near the Northern Continuous Viewing Zone (NCVZ) of the TESS space telescope, 135 hierarchical triple star candidates were found. Now,…

Solar and Stellar Astrophysics · Physics 2026-04-07 T. Borkovits , T. Mitnyan , D. R. Czavalinga , S. A. Rappaport

35 Eclipsing binaries presenting unambiguous total eclipses were selected from a subsample of the list of Wyrzykowski et al. (2003). The photometric elements are given for the I curve in DiA photometry, as well as approximate Teff and…

Astrophysics · Physics 2009-11-11 P. North

We report on the properties of eclipsing binaries from the Kepler mission with a newly developed photometric modeling code, which uses the light curve, spectral energy distribution of each binary, and stellar evolution models to infer…

Solar and Stellar Astrophysics · Physics 2019-08-14 Diana Windemuth , Eric Agol , Aleezah Ali , Flavien Kiefer

The results of a search for eclipsing Am star binaries using photometry from the SuperWASP survey are presented. The light curves of 1742 Am stars fainter than V = 8.0 were analysed for the presences of eclipses. A total of 70 stars were…

Individual components of well-detached binary systems are assumed to be two single-like stars with a common origin, i.e. they share the same chemical composition and same age. Therefore, one expects to fit the observed parameters of both…

Astrophysics · Physics 2007-05-23 E. Lastennet , J. Fernandes , E. Oblak , D. Valls-Gabaud

Aims. We present the results of our detailed spectroscopic and photometric analysis of two previously unknown < 1 M{_\sun} detached eclipsing binaries: ASAS J045304-0700.4 and ASAS J082552-1622.8. Methods. With the HIgh Resolution Echelle…

Solar and Stellar Astrophysics · Physics 2015-05-20 Krzysztof G. Hełminiak , Maciej Konacki

We have conducted a programme to determine the fundamental parameters of a substantial number of eclipsing binaries of spectral types O and B in the Small Magellanic Cloud. New spectroscopic data, obtained with the two-degree-field…

Astrophysics · Physics 2011-09-29 R. W. Hilditch , I. D. Howarth , T. J. Harries

A suite of spectroscopic surveys is producing vast sets of stellar spectra with the goal of advancing stellar physics and Galactic evolution by determining their basic physical properties. A substantial fraction of these stars are in binary…

Solar and Stellar Astrophysics · Physics 2024-06-03 Rhys Seeburger , Hans-Walter Rix , Kareem El-Badry , Maosheng Xiang , Morgan Fouesneau

We present the physical parameters of an eclipsing binary system EPIC 211982753 derived through photometric and radial velocity data modeling. We make use of photometric data from NASA's K2 mission, ASAS-SN, and 1.3-m Devasthal Fast Optical…

Solar and Stellar Astrophysics · Physics 2023-08-23 Alaxender Panchal , Yogesh C. Joshi

We develop a data-driven spectral model for identifying and characterizing spatially unresolved multiple-star systems and apply it to APOGEE DR13 spectra of main-sequence stars. Binaries and triples are identified as targets whose spectra…

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

I present a brief summary of three different types of binary star - astrometric, spectroscopic and eclipsing - and tabulate the properties of these systems that can be determined directly from observations. Eclipsing binary stars are the…

Solar and Stellar Astrophysics · Physics 2020-01-08 John Southworth

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

We present the results of a STAROS monitoring campaign on the bright eclipsing binary star alpha Draconis. Over 200 high-resolution spectra were obtained by an international group of amateur astronomers. We were able to calculate an…

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…

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